Biggest changeResults of Operations The following table sets forth our consolidated results of operations for the years ended December 31, 2023, 2022, and 2021: (In thousands) 2023 2022 2021 Revenue: Marketplace (1) $ 586,099 $ 518,282 $ 427,476 Enterprise (1) 103,037 100,036 75,321 Total revenue 689,136 618,318 502,797 Cost of revenue (2) 170,450 160,402 135,508 Gross profit 518,686 457,916 367,289 Operating expenses Research and development (2) 177,363 154,553 119,083 Sales and marketing (2) 220,681 246,882 183,294 General and administrative (2) 118,925 123,952 113,081 Provision for transaction losses 12,977 25,153 6,048 Total operating expenses 529,946 550,540 421,506 Loss from operations (11,260) (92,624) (54,217) Other income (expense), net 60,137 3,275 (1,901) Income (loss) before income taxes 48,877 (89,349) (56,118) Income tax provision (1,990) (536) (122) Net income (loss) $ 46,887 $ (89,885) $ (56,240) (1) In order to conform to the current period presentation as of December 31, 2023, we present revenue from Enterprise Solutions and Managed Services together as Enterprise revenue in prior periods and no longer report revenue from our Enterprise Solutions offering in Marketplace revenue.
Biggest changeResults of Operations The following table sets forth our consolidated results of operations for the years ended December 31, 2024, 2023, and 2022: (In thousands) 2024 2023 2022 Revenue: Marketplace $ 662,108 $ 586,099 $ 518,282 Enterprise 107,217 103,037 100,036 Total revenue 769,325 689,136 618,318 Cost of revenue (1) 174,094 170,450 160,402 Gross profit 595,231 518,686 457,916 Operating expenses Research and development (1) 209,283 177,363 154,553 Sales and marketing (1) 185,211 220,681 246,882 General and administrative (1) 128,803 118,925 123,952 Provision for transaction losses 6,728 12,977 25,153 Total operating expenses 530,025 529,946 550,540 Income (loss) from operations 65,206 (11,260) (92,624) Other income, net 25,221 60,137 3,275 Income (loss) before income taxes 90,427 48,877 (89,349) Income tax benefit (provision) 125,159 (1,990) (536) Net income (loss) $ 215,586 $ 46,887 $ (89,885) (1) Includes stock-based compensation expense as follows: Cost of revenue $ 1,586 $ 1,900 $ 1,356 Research and development 29,923 28,006 26,881 Sales and marketing 11,670 14,030 11,511 General and administrative 25,212 30,259 35,753 Total $ 68,391 $ 74,195 $ 75,501 A discussion regarding our financial condition and results of operations for the year ended December 31, 2023 compared to the year ended December 31, 2022 is included in Part II, Item 7, “Management’s Discussion and Analysis of Financial Condition and Results of Operations—Results of Operation” included in our Annual Report on Form 10-K for the year ended December 31, 2023, filed with the SEC on February 15, 2024. 41 Comparison of the Years Ended December 31, 2024 and 2023 Revenue Year Ended December 31, Change (In thousands, except percentages) 2024 2023 $ % Marketplace $ 662,108 $ 586,099 76,009 13 % Percentage of total revenue 86 % 85 % Enterprise $ 107,217 $ 103,037 4,180 4 % Percentage of total revenue 14 % 15 % Total revenue $ 769,325 $ 689,136 $ 80,189 12 % During the year ended December 31, 2024, macroeconomic conditions adversely impacted GSV, which declined 3%, compared to 2023.
See “Key Financial and Operational Metrics—Non-GAAP Financial Measures” below for a definition of adjusted EBITDA and for information regarding our use of adjusted EBITDA and a reconciliation of adjusted EBITDA to net income (loss), the most directly comparable financial measure prepared under U.S. GAAP.
GAAP. See “Key Financial and Operational Metrics—Non-GAAP Financial Measures” below for a definition of adjusted EBITDA and for information regarding our use of adjusted EBITDA and a reconciliation of adjusted EBITDA to net income (loss), the most directly comparable financial measure prepared under U.S. GAAP.
See “—Non-GAAP Financial Measures” below for the definition of adjusted EBITDA and for information regarding our use of adjusted EBITDA and a reconciliation of adjusted EBITDA to net income (loss), the most directly comparable financial measure prepared under U.S. GAAP.
GAAP. See “—Non-GAAP Financial Measures” below for the definition of adjusted EBITDA, information regarding our use of adjusted EBITDA, and a reconciliation of adjusted EBITDA to net income (loss), the most directly comparable financial measure prepared under U.S. GAAP.
Sales and marketing expense consists primarily of expenses related to advertising and marketing activities, as well as personnel-related costs, including sales commissions, which we expense as they are incurred. General and Administrative.
Sales and Marketing. Sales and marketing expense consists primarily of expenses related to advertising and marketing activities, as well as personnel-related costs, including sales commissions, which we expense as they are incurred. General and Administrative.
Our cash equivalents and marketable securities primarily consist of money market funds, commercial paper, treasury bills, corporate bonds, U.S. and foreign government securities, asset-backed securities, and other types of fixed income securities. The primary objective of our investment activities from operating investments is to preserve principal while maximizing income without significantly increasing risk.
Our cash equivalents and marketable securities primarily consist of money market funds, commercial paper, treasury bills, corporate bonds, U.S. and foreign government securities, asset-backed securities, and other types of fixed income securities. The primary objective of our investment activities from our operating investments is to preserve principal while maximizing income without significantly increasing risk.
Investing Activities Net cash provided by investing activities during 2023 was $88.3 million, which was primarily a result of proceeds from maturities of marketable securities of $648.8 million and proceeds from the sale of marketable securities of $165.0 million, including $143.7 million to enable the repurchase of a portion of the Notes, partially offset by investing $709.2 million in various marketable securities, as well as $12.7 million of internal-use software and platform development costs that we paid during the period, and $3.0 million purchase of an intangible asset.
Net cash provided by investing activities during 2023 was $88.3 million, which was primarily a result of proceeds from maturities of marketable securities of $648.8 million and proceeds from the sale of marketable securities of $165.0 million, including $143.7 million to enable the repurchase of a portion of the Notes, partially offset by investing $709.2 million in various marketable securities, as well as $12.7 million of internal-use software and platform development costs that we paid during the period, and $3.0 million for the purchase of an intangible asset.
GAAP for planning purposes, including the preparation of our annual operating budget, as a measure of our core operating results and the effectiveness of our business strategy, and in evaluating our financial performance; and • adjusted EBITDA provides consistency and comparability with our past financial performance, facilitates period-to-period comparisons of our core operating results, and also facilitates comparisons with other peer companies, many of which use similar non-GAAP financial measures to supplement their U.S.
GAAP for planning purposes, including the preparation of our annual operating budget, as a 45 measure of our core operating results and the effectiveness of our business strategy, and in evaluating our financial performance; and • adjusted EBITDA provides consistency and comparability with our past financial performance, facilitates period-to-period comparisons of our core operating results, and also facilitates comparisons with other peer companies, many of which use similar non-GAAP financial measures to supplement their U.S.
In the future, we may attempt to raise additional capital through the sale of equity securities or through equity-linked or debt financing arrangements, as we did with the offering of the Notes in 2021. If we raise additional funds by issuing equity or equity-linked securities, the ownership and economic interests of our existing stockholders will be diluted.
In the future, we may attempt to raise additional capital through the sale of equity securities or through equity-linked or debt financing arrangements, as we did with the offering of the Notes. If we raise additional funds by issuing equity or equity-linked securities, the ownership and economic interests of our existing stockholders will be diluted.
Additionally, clients of our Enterprise Solutions offering can also subscribe to a compliance service that includes worker classification services for an additional fee 46 and may also choose to use our work marketplace to engage talent that were not originally sourced through our work marketplace for a lower fee percentage.
Additionally, clients of our Enterprise Solutions offering can also subscribe to a compliance service that includes worker classification services for an additional fee and may also choose to use our work marketplace to engage talent that were not originally sourced through our work marketplace for a lower fee percentage.
Specifically, management applies judgement in assessing the continued appropriateness for the estimates, which include assessing the continued appropriateness of the methodology and relevant data inputs to estimate the likelihood and the period of time over which to defer and recognize the consideration allocated to the material rights. We utilize historical customer transaction data in developing these estimates.
Management applies judgement in assessing the continued appropriateness for the estimates, which include assessing the continued appropriateness of the methodology and relevant data inputs to estimate the likelihood and the period of time over which to defer and recognize the consideration allocated to the material rights. We utilize historical customer transaction data in developing these estimates.
Any future indebtedness we incur may result in terms that could also be unfavorable to our equity investors. There can be no assurances that we will be able to raise additional capital on terms we deem acceptable, or at all.
Any future indebtedness we incur may result in terms that could also be unfavorable to our equity investors. There can be no assurances that we will be able to raise additional capital on terms we deem acceptable, 46 or at all.
Adjusted EBITDA is not prepared in accordance with, and is not an alternative to, financial measures prepared in accordance with U.S. GAAP. The following table presents a reconciliation of net income (loss), the most directly comparable financial measure prepared in accordance with U.S.
Adjusted EBITDA is not prepared in accordance with, and is not an alternative to, financial measures prepared in accordance with U.S. GAAP. 44 The following table presents a reconciliation of net income (loss), the most directly comparable financial measure prepared in accordance with U.S.
We regularly assess the likelihood that deferred tax assets will be realized from recoverable income taxes or recovered from future taxable income based on the 47 realization criteria set forth in the relevant authoritative guidance.
We regularly assess the likelihood that deferred tax assets will be realized from recoverable income taxes or recovered from future taxable income based on the realization criteria set forth in the relevant authoritative guidance.
(3) During the year ended December 31, 2022, in response to Russia’s invasion of Ukraine, we incurred certain incremental expenses associated with our humanitarian response efforts. These expenses are not representative of our ongoing operations, and, as a result, we excluded these costs from adjusted EBITDA for the year ended December 31, 2022.
(5) During the year ended December 31, 2022, in response to Russia’s invasion of Ukraine, we incurred certain incremental expenses associated with our humanitarian response efforts. These expenses are not representative of our ongoing operations, and, as a result, we excluded these costs from adjusted EBITDA for the year ended December 31, 2022.
The initial cap price of the Capped Calls is $92.74 per share of common stock, subject to certain customary adjustments under the terms of the Capped Calls. See “Note 7—Debt” of the notes to our consolidated financial statements included elsewhere in this Annual Report for additional information regarding the Notes and the Capped Calls.
The initial cap price of the Capped Calls is $92.74 per share of common stock, subject to certain customary adjustments under the terms of the Capped Calls. See “Note 10—Debt” of the notes to our consolidated financial statements included elsewhere in this Annual Report for additional information regarding the Notes and the Capped Calls.
Specifically, we increased the number of Connects needed by talent to bid on projects, deployed ads products on our work marketplace, introduced a contract initiation fee in April 2023 for clients on our Marketplace offering, and in May 2023, retired the tiered service fee structure for talent working with clients on our Marketplace offering—ranging from 5% to 20%—in favor of a flat fee of 10%.
Specifically, we retired the tiered service fee structure for talent working with clients on our Marketplace offering—ranging from 5% to 20%—in favor of a flat fee of 10%, increased the number of Connects needed by talent to bid on projects, deployed ads products on our work marketplace, and introduced a contract initiation fee for clients on our Marketplace offering.
The Share Repurchase Program has no expiration date and will continue until otherwise suspended, terminated, or modified at any time for any reason. The Share Repurchase Program does not obligate us to repurchase any dollar amount or number of shares, and the timing and amount of any repurchases will depend on market and business conditions.
The 2024 Share Repurchase Authorization has no expiration date and will continue until otherwise suspended, terminated, or modified at any time for any reason. The 2024 Share Repurchase Authorization does not obligate us to repurchase any dollar amount or number of shares, and the timing and amount of any repurchases will depend on market and business conditions.
Operating Activities Our largest source of cash from operating activities is revenue generated from our work marketplace. Our primary uses of cash from operating activities are for personnel-related expenditures, marketing activities, including advertising, payment processing fees, amounts paid to talent to deliver services for clients under our Managed Services offering, and third-party hosting costs.
Operating Activities Our largest source of cash from operating activities is revenue generated from our work marketplace. Our primary uses of cash from operating activities are for personnel-related expenditures, payment processing fees, amounts paid to talent to deliver services for clients under our Managed Services offering, and third-party hosting costs.
GAAP, we are deemed to be the principal in these Managed Services arrangements and therefore recognize the entire GSV of Managed Services projects as Managed Services revenue, as compared to recognizing only the percentage of the client spend that we receive, as we do with our Marketplace and Enterprise Solutions offerings. Cost of Revenue and Gross Profit Cost of Revenue.
GAAP, we are deemed to be the principal in these Managed Services arrangements and therefore recognize the entire GSV of Managed Services projects as Managed Services revenue, as compared to recognizing only the percentage of the client spend that we receive, as we do with our Marketplace and Enterprise Solutions offerings.
In the long term, our ability to support our working capital and capital expenditure requirements will depend on many factors, including our revenue growth rate, the timing and the amount of cash received from customers, the expansion of sales and marketing activities, the timing and extent of spending to support research and development efforts, the cost to host our work marketplace, the introduction of new offerings and services, the continuing market adoption of our work marketplace, any acquisitions or investments that we make in complementary businesses, products, and technologies, macroeconomic conditions, the number of shares of our common stock that we repurchase under our Share Repurchase Program, or the aggregate principal amount of our outstanding Notes that we repurchase, and our ability to obtain equity or debt financing.
In the long term, our ability to support our working capital and capital expenditure requirements will depend on many factors, including our revenue growth rate, the timing and the amount of cash received from customers, the expansion of sales and marketing activities, the timing and extent of spending to support research and development efforts, the cost to host our work marketplace, the introduction of new offerings and services, the continuing market adoption of our work marketplace, any acquisitions or investments that we make in complementary businesses, products, and technologies, macroeconomic conditions, any repurchases of shares of our outstanding common stock or of our outstanding Notes, and our ability to obtain equity or debt financing.
Additionally, the number of talent retained between periods is merely one of many factors that may impact client spend in a particular period and is not a primary driver of our key metrics and operating results.
Additionally, the number of talent retained between periods is merely one of many factors that may impact client spend in a particular period and is not a primary driver of our key metrics and operating results. Components of Our Results of Operations Revenue Marketplace Revenue.
Since our inception, our business has consisted of the operation of an online work marketplace that connects businesses with independent talent from across the globe, and we do not make investments for trading or speculative purposes. As of December 31, 2023 and 2022, we had $79.6 million and $129.4 million in cash and cash equivalents, respectively.
Since our inception, our business has consisted of the operation of an online work marketplace that connects businesses with independent talent from across the globe, and we do not make investments for trading or speculative purposes. As of December 31, 2024 and 2023, we had $305.8 million and $79.6 million in cash and cash equivalents, respectively.
Assuming the remaining Notes are not converted into our common stock, repurchased or redeemed prior to maturity, (i) annual interest expense relating to the Notes will be $2.7 million in each fiscal year through 2026 and (ii) principal in the 53 amount of $361.0 million will be payable upon the maturity of the Notes on August 15, 2026.
Assuming the outstanding Notes are not converted into our common stock, repurchased, or redeemed prior to maturity, (i) annual interest expense relating to the Notes will be $2.7 million in each fiscal year through 2025 and $1.8 million in 2026 and (ii) principal in the amount of $361.0 million will be payable upon the maturity of the Notes on August 15, 2026.
Repurchases of our common stock under the Share Repurchase Program may be made from time to time on the open market (including through the use of trading plans intended to qualify under Rule 10b5-1 under the Exchange Act), in privately negotiated transactions, or by other methods, at our discretion, and in accordance with applicable securities laws and other restrictions.
As was the case with the 2023 Share Repurchase Authorization, repurchases of our common stock under the 2024 Share Repurchase Authorization may be made from time to time on the open market (including through the use of trading plans intended to qualify under Rule 10b5-1 under the Exchange Act), in privately negotiated transactions, or by other methods, at our discretion, and in accordance with applicable securities laws and other restrictions.
See “Note 7—Debt” of the notes to our consolidated financial statements included elsewhere in this Annual Report for additional information.
See “Note 10—Debt” of the notes to our consolidated financial statements included elsewhere in this Annual Report for additional information regarding the Notes.
Certain of our performance metrics may not accurately reflect certain details of our business, are subject to inherent challenges in measurement, and real or perceived inaccuracies in such metrics may harm our reputation and negatively affect our business.” Gross Services Volume (GSV) GSV is an important metric because it represents the amount of business transacted through our work marketplace.
Certain of our performance metrics may not accurately reflect certain details of our business, are subject to inherent challenges in measurement, and real or perceived inaccuracies in such metrics may harm our reputation and negatively affect our business.” 38 Gross Services Volume (GSV) GSV represents the amount of business transacted through our work marketplace.
In November 2023, our board of directors authorized the Share Repurchase Program, under which we may repurchase up to $100.0 million of shares of our outstanding common stock.
Share Repurchase Program In November 2023, our board of directors authorized the repurchase of up to $100.0 million of shares of our outstanding common stock under the 2023 Share Repurchase Authorization.
Because of these and other limitations, you should consider adjusted EBITDA along with other financial performance measures, including net income (loss) and our other financial results prepared in accordance with U.S. GAAP. Liquidity and Capital Resources Our principal sources of liquidity are our cash and cash equivalents and marketable securities, including the net proceeds from the sale of the Notes.
Because of these and other limitations, you should consider adjusted EBITDA along with net income (loss) and our other financial performance measures prepared in accordance with U.S. GAAP. Liquidity and Capital Resources Our principal sources of liquidity are our cash and cash equivalents and marketable securities.
Stock-based compensation expense associated with PSUs is recognized over the longer of the expected achievement period for the performance condition and the service condition.
Stock-based compensation expense associated with PSUs is recognized over the longer of the expected achievement period for the performance condition or the service condition, if applicable.
Our Enterprise Solutions offering includes access to additional product features, premium access to top talent, professional services, custom reporting, and flexible payment terms. Revenue from our Enterprise Solutions offering includes all client fees, subscriptions, and talent service fees.
Enterprise offers two lines of service—Enterprise Solutions and Managed Services. 39 Our Enterprise Solutions offering includes access to additional product features, premium access to top talent, professional services, custom reporting, and flexible payment terms. Revenue from our Enterprise Solutions offering includes all client fees, subscriptions, and talent service fees.
Net cash provided by financing activities during 2022 was $6.1 million, which was primarily a result of proceeds received from our employee stock purchase plan of $3.8 million, cash received from stock option exercises of $1.6 million, and an increase in escrow funds payable of $0.6 million.
Net cash provided by financing activities during 2022 was $1.1 million, which was primarily a result of proceeds received from our employee stock purchase plan of $3.8 million, cash received from stock option exercises of $1.6 million, partially offset by a decrease in escrow funds payable of $4.3 million.
Net cash provided by operating activities during 2022 was $6.6 million, which resulted from non-cash charges of $112.2 million, offset by a net loss of $89.9 million and net cash outflows of $15.7 million from changes in operating 55 assets and liabilities. The change in operating assets and liabilities primarily resulted from the increase in trade and client receivables.
Net cash provided by operating activities during 2022 was $11.5 million, which resulted from non-cash charges of $112.2 million, offset by a net loss of $89.9 million and net cash outflows of $10.8 million from changes in operating 48 assets and liabilities. The change in operating assets and liabilities primarily resulted from the increase in trade and client receivables.
As discussed below with respect to each key metric, we believe these key financial and operational metrics are useful to evaluate period-over-period comparisons of our business and in understanding our operating results, and management uses these metrics to track our performance.
We believe these key financial and operational metrics are useful to evaluate period-over-period comparisons of our business and in understanding our operating results, and management uses these metrics to track our performance.
We believe that this non-GAAP financial measure is useful to investors for period-to-period comparisons of our business and in understanding and evaluating our operating results for the following reasons: • adjusted EBITDA is widely used by investors and securities analysts to measure a company’s operating performance without regard to items such as stock-based compensation expense; depreciation and amortization; interest expense; other income (expense), net; income tax benefit (provision); and, if 52 applicable, other non-cash transactions that can vary substantially from company to company depending upon their financing, capital structures, and the method by which assets were acquired; • our management uses adjusted EBITDA in conjunction with financial measures prepared in accordance with U.S.
We believe that this non-GAAP financial measure is useful to investors for period-to-period comparisons of our business and in understanding and evaluating our operating results for the following reasons: • adjusted EBITDA is widely used by investors and securities analysts to measure a company’s operating performance without regard to items such as stock-based compensation expense; depreciation and amortization; other income (expense), net, which includes interest expense; income tax benefit (provision); and, if applicable, certain other gains, losses, benefits, or charges that are non-cash or are significant and the result of isolated events or transactions that have not occurred frequently in the past and are not expected to occur regularly in the future, all of which can vary substantially from company to company depending upon their financing, capital structures, and the method by which assets were acquired; • our management uses adjusted EBITDA in conjunction with financial measures prepared in accordance with U.S.
Financing Activities Net cash used in financing activities during 2023 was $114.3 million, which was driven by $171.3 million paid to consummate the Note Repurchases, including related fees to effect the Note Repurchases, partially offset by an increase in escrow funds payable of $50.9 million, proceeds received from our employee stock purchase plan of $4.1 million, and cash received from stock option exercises of $2.0 million.
Net cash used in financing activities during 2023 was $139.8 million, which was driven by $171.3 million that we paid to consummate the repurchase of a portion of the Notes, including related fees to effect the repurchases, partially offset by an increase in escrow funds payable of $25.4 million, proceeds received from our employee stock purchase plan of $4.1 million, and cash received from stock option exercises of $2.0 million.
Of the $4.1 billion and $3.5 billion of GSV enabled on our work marketplace in 2022 and 2021, respectively, approximately 26% and 25% was generated from talent in the United States in each year, respectively.
Of the $4.1 billion of GSV enabled on our work marketplace in both 2023 and 2022, approximately 26% was generated from talent in the United States in each year.
For purposes of determining countries where we enable GSV, we include both the countries in which the clients that paid for the applicable services are located, as well as the countries in which talent that provided those services are located.
For purposes of determining countries where we enable GSV, we include both the countries in which the clients that paid for the applicable services are located, as well as the countries in which talent that provided those services are located. Growth in the number of active clients and GSV per active client are the primary drivers of GSV.
GAAP, to adjusted EBITDA for each of the periods indicated: Year Ended December 31, (In thousands) 2023 2022 2021 Net income (loss) $ 46,887 $ (89,885) $ (56,240) Add back (deduct): Stock-based compensation expense 74,195 75,501 53,592 Depreciation and amortization 9,449 8,057 10,261 Other (income) expense, net (1) (60,137) (3,275) 1,901 Income tax provision 1,990 536 122 Other (2)(3)(4) 750 5,037 9,491 Adjusted EBITDA $ 73,134 $ (4,029) $ 19,127 (1) During the year ended December 31, 2023, we recognized a gain on early extinguishment of debt of $38.9 million, which is included in other income (expense), net in the consolidated statement of operations and comprehensive income (loss).
GAAP, to adjusted EBITDA for each of the periods indicated: Year Ended December 31, (In thousands) 2024 2023 2022 Net income (loss) $ 215,586 $ 46,887 $ (89,885) Add back (deduct): Stock-based compensation expense 68,391 74,195 75,501 Depreciation and amortization 14,813 9,449 8,057 Other income, net (1) (25,221) (60,137) (3,275) Income tax (benefit) provision (2) (125,159) 1,990 536 Other (3)(4)(5) 19,183 750 5,037 Adjusted EBITDA $ 167,593 $ 73,134 $ (4,029) (1) During the year ended December 31, 2023, we recognized a gain of $38.9 million on early extinguishment of debt, which is included in “Other income, net” in the consolidated statement of operations and comprehensive income (loss).
As of December 31, 2023 and 2022, we had $470.5 million and $557.2 million in marketable securities, respectively.
As of December 31, 2024 and 2023, we had $316.3 million and $470.5 million in marketable securities, respectively.
We evaluate the assumptions used to value option awards upon each grant of stock options. The grant date fair value of PSUs is determined using the closing common stock price of our common stock on the grant date multiplied by the number of PSUs that are probable of being earned as of the grant date.
The grant date fair value of PSUs is determined using the closing common stock price of our common stock on the grant date multiplied by the number of PSUs that are probable of being earned as of the grant date.
Clients on our work marketplace range in size, from independent professionals and small businesses to Fortune 100 companies. With customers in over 180 countries, our work marketplace enabled $4.1 billion of GSV for the year ended December 31, 2023.
Clients on our work marketplace range in size from independent professionals and small businesses to Fortune 100 companies. With customers in over 180 countries, our work marketplace enabled $4.0 billion of GSV for the year ended December 31, 2024. As a global work marketplace that connects talent and clients regardless of their location, our GSV originates from around the world.
General and administrative expense consists primarily of personnel-related costs for our executive, finance, legal, human resources, and operations functions; outside consulting, legal, and accounting services; impairment expense; and insurance. Provision for Transaction Losses.
General and administrative expense consists primarily of personnel-related costs for our executive, finance, legal, human resources, and operations functions; outside consulting, legal, and accounting services; and insurance. Provision for Transaction Losses. Provision for transaction losses consists primarily of losses resulting from fraud and bad debt expense associated with our trade and client receivables balance and transaction losses associated with chargebacks.
Approximately 69% of our GSV in 2023 was generated from U.S. clients, compared to approximately 68% and 66% of GSV in 2022 and 2021, respectively, with clients in no other country representing more than 10% of our GSV in any such year. In 2023, we changed the name of our Upwork Enterprise offering to Enterprise Solutions.
Approximately 70% of our GSV in 2024 was generated from U.S. clients, compared to approximately 69% and 68% of GSV in 2023 and 2022, respectively, with clients in no other country representing more than 10% of our GSV in any such year. We generate revenue from both talent and clients of our Marketplace and Enterprise offerings.
Active Clients and GSV per Active Client We define an active client as a client that has had spend activity on our work marketplace during the 12 months preceding the date of measurement.
Marketplace take rate is an important metric because it is the key indicator of how well we monetize spend on our work marketplace from our Marketplace offerings. Active Clients and GSV per Active Client We define an active client as a client that has had spend activity on our work marketplace during the 12 months preceding the date of measurement.
Stock-Based Compensation We measure and recognize compensation expense for all stock-based awards granted to service providers, including stock options, restricted stock units, which we refer to as RSUs, performance stock units, which we refer to as PSUs, and purchase rights granted under our 2018 Employee Stock Purchase Plan, which we refer to as the 2018 ESPP, based on the estimated fair value of the award on the grant date.
We recognize revenue related to the material rights based on our estimate of when the material rights are exercised, and adjust revenue for changes in estimates in the period of change on a cumulative catch-up basis. 49 Stock-Based Compensation We measure and recognize compensation expense for all stock-based awards granted to employees and non-employee service providers, including stock options, restricted stock units, which we refer to as RSUs, performance stock units, which we refer to as PSUs, and purchase rights granted under our 2018 Employee Stock Purchase Plan, which we refer to as the 2018 ESPP, based on the estimated fair value of the award on the grant date.
Income Tax Provision We account for income taxes in accordance with the asset and liability method. Under the asset and liability method, deferred assets and liabilities are recognized based upon anticipated future tax consequences attributable to differences between financial statement carrying amounts of assets and liabilities and their respective tax bases.
Income Tax Benefit (Provision) We account for income taxes in accordance with the asset and liability method, which involves recognizing deferred assets and liabilities for expected future tax effects of differences between financial statement carrying amounts of assets and liabilities and their respective tax bases.
Funds held in escrow are deposited in interest-bearing checking accounts. 54 Convertible Senior Notes Due 2026 The Notes were issued in August 2021, pursuant to and are subject to the terms and conditions of an indenture between us and Computershare Trust Company, National Association (as successor in interest to Wells Fargo Bank, National Association), as trustee, which is referred to as the Indenture.
The Notes were issued in August 2021, pursuant to and subject to the terms and conditions of an indenture between us and Computershare Trust Company, National Association (as successor in interest to Wells Fargo Bank, National Association), as trustee.
We generate revenue from both talent and clients of our Marketplace and Enterprise offerings. Revenue is primarily generated from talent service fees, and to a lesser extent, client marketplace fees.
Marketplace revenue is primarily generated from talent service fees, and to a lesser extent, client marketplace fees. We maintain a flat talent service fee of 10% for talent working with clients on our Marketplace offerings.
In addition, the calculation of tax liabilities involves dealing with uncertainties in the application of complex tax regulations. We recognize potential liabilities based on an estimate of whether, and the extent to which, additional taxes will be due.
We recognize potential liabilities based on an estimate of whether, and the extent to which, additional taxes will be due.
These variables include, but are not limited to, the expected dividend yield, the expected term of the awards, the risk-free interest rates, and the expected common stock price volatility over the term of the option awards. The fair value and derived service period of stock options with market-based conditions is estimated using the Monte Carlo valuation model.
These variables include, but are not limited to, the expected dividend yield, the expected term of the awards, the risk-free interest rates, and the expected common stock price volatility over the term of the option awards.
Of the $4.1 billion of GSV enabled on our work marketplace in 2023, approximately 26% was generated from U.S. talent, which was our largest talent geography in each of 2023, 2022, and 2021, as measured by GSV, while talent in India and the Philippines remained our next largest talent geographies in all three years.
In 2024, our work marketplace enabled $4.0 billion in GSV, with approximately 25% generated from U.S. talent, making the United States our largest talent geography in each of 2024, 2023, and 2022. India and the Philippines were our next largest talent geographies in all three years.
Research and development expense primarily consists of personnel-related costs. Research and development costs are expensed as incurred, except to the extent that such costs are associated with internal-use software and platform development that qualifies for capitalization. Sales and Marketing.
In addition, gross margin will be impacted by fluctuations in our revenue mix between Marketplace revenue and Enterprise revenue. Operating Expenses Research and Development. Research and development expense primarily consists of personnel-related costs. Research and development costs are expensed as incurred, except to the extent that such costs are associated with internal-use software and platform development that qualifies for capitalization.
We also generate revenue from fees for premium offerings, including our Upwork Payroll offering, as well as purchases of Connects, talent memberships, and other services, such as foreign currency exchange when clients choose to pay in currencies other than the U.S. dollar.
Revenue is primarily generated from talent service fees and, to a lesser extent, client marketplace fees. We also generate revenue through ads and monetization products, including purchases of Connects, talent memberships, and other services, such as foreign currency exchange when clients choose to pay in currencies other than the U.S. dollar.
Net cash used in investing activities during 2021 was $429.0 million, which was primarily a result of investing $525.3 million in various marketable securities, as well as $5.1 million of internal-use software and platform development costs that we paid during the period and purchases of property and equipment of $1.0 million, partially offset by proceeds from maturities of marketable securities of $102.5 million.
Investing Activities Net cash provided by investing activities during 2024 was $137.6 million, which was primarily a result of proceeds from maturities of marketable securities of $486.9 million and $41.8 million in proceeds from the sale of marketable securities, partially offset by investing $362.3 million in various marketable securities, $14.3 million cash paid, net of cash acquired, for the acquisition of Objective AI, $10.9 million of internal-use software and platform development costs that we paid during the period, and $3.5 million paid for purchases of property and equipment.
Our Marketplace revenue is primarily generated from the service fees paid by talent as a percentage of the total amount talent charges clients for services accessed on our Marketplace offering. Therefore, Marketplace revenue is correlated to GSV, and we believe that our Marketplace revenue will grow as GSV grows, although they could grow at different rates.
Marketplace revenue is primarily generated from talent service fees paid by talent as a percentage of the total amount talent charges clients for services accessed on our Marketplace, and to a lesser extent, client marketplace fees.
Provision for Transaction Losses Year Ended December 31, Change (In thousands, except percentages) 2023 2022 $ % Provision for transaction losses $ 12,977 $ 25,153 $ (12,176) (48) % Percentage of total revenue 2 % 4 % In 2023, we continued to enhance our trust and safety measures.
Provision for Transaction Losses Year Ended December 31, Change (In thousands, except percentages) 2024 2023 $ % Provision for transaction losses $ 6,728 $ 12,977 $ (6,249) (48) % Percentage of total revenue 1 % 2 % We maintain trust and safety measures to mitigate bad debt losses, instances of fraud, and chargeback losses.
Deferred tax assets and liabilities are measured using the enacted tax rates that will be in effect for the years in which those tax assets are expected to be realized or settled.
We establish a valuation allowance to the extent that it is more likely than not that deferred tax assets will not be recoverable against future taxable income. 40 Deferred tax assets and liabilities are measured using the enacted tax rates that will be in effect for the years in which those tax assets are expected to be realized or settled.
See “Note 7—Debt” of the notes to our consolidated financial statements included elsewhere in this Annual Report for additional information regarding the Notes. Capped Calls In connection with the issuance of the Notes, we entered into the Capped Calls.
See “Note 17—Restructuring Charges” of the notes to our consolidated financial statements included elsewhere in this Annual Report for additional information.
Marketplace revenue represents the majority of our revenue and is derived from our Marketplace offerings, which include all offerings other than our Enterprise offerings—Enterprise Solutions, previously referred to as Upwork Enterprise, and Managed Services. We generate Marketplace revenue from both talent and clients. Marketplace revenue is primarily generated from talent service fees, and to a lesser extent, client marketplace fees.
Marketplace Revenue Marketplace revenue is the primary driver of our business, and we believe it provides comparability to other online marketplaces. Marketplace revenue represents the majority of our revenue and is derived from our Marketplace offerings, which include all offerings other than our Enterprise offerings—Enterprise Solutions and Managed Services. We generate Marketplace revenue from both talent and clients.
We expect the balances of our funds held in escrow, including funds held in transit, and the related liability to grow as GSV grows and may vary from period to period. Escrow regulations require us to fund the trust with our operating cash to cover shortages due to the timing of cash receipts from clients for completed hourly billings.
Escrow regulations require us to cover the trust with our operating cash in the event of shortages due to the timing of cash receipts from clients for completed hourly billings.
Financial Highlights for 2023 In 2023, we implemented a number of initiatives that positively impacted our financial results, including increasing the number of Connects needed by talent to bid on projects, deploying ads products on our work marketplace, introducing a contract initiation fee in April 2023 for clients on our Marketplace offering, and retiring the tiered service fee structure in May 2023 for talent working with clients on our Marketplace offering in favor of a flat fee.
These include (i) retiring the tiered service fee structure for talent working with clients on our Marketplace offering in favor of a flat fee, (ii) increasing the number of Connects needed by talent to bid on projects, (iii) deploying ads products on our work marketplace, and (iv) introducing new features, with a focus on generative artificial intelligence.
Our key metrics were as follows as of or for the periods presented: As of or for the Year Ended December 31, (In thousands, except GSV per active client and percentages) 2023 % Change 2022 % Change 2021 % Change GSV $ 4,142,252 1 % $ 4,104,891 16 % $ 3,546,774 41 % Marketplace revenue (1) $ 586,099 13 % $ 518,282 21 % $ 427,476 37 % Marketplace take rate (1) 15.4 % 1.6 % 13.8 % 0.6 % 13.2 % (0.4) % Net income (loss) $ 46,887 * $ (89,885) 60 % $ (56,240) * Adjusted EBITDA (2) $ 73,134 * $ (4,029) * $ 19,127 36 % Active clients 851 5 % 814 6 % 771 22 % GSV per active client $ 4,867 (4) % $ 5,045 10 % $ 4,599 15 % *Not meaningful (1) In order to conform to the current period presentation as of December 31, 2023, we present revenue from Enterprise Solutions and Managed Services together as Enterprise revenue in prior periods and no longer report revenue from our Enterprise Solutions offering in Marketplace revenue and Marketplace take rate.
Our key metrics were as follows as of or for the periods presented: As of or for the Year Ended December 31, (In thousands, except GSV per active client and percentages) 2024 Change 2023 Change 2022 Change GSV $ 4,008,107 (3) % $ 4,142,252 1 % $ 4,104,891 16 % Marketplace revenue $ 662,108 13 % $ 586,099 13 % $ 518,282 21 % Marketplace take rate 18.0 % 265 bps 15.4 % 155 bps 13.8 % 58 bps Net income (loss) $ 215,586 * $ 46,887 152 % $ (89,885) 60 % Adjusted EBITDA (1) $ 167,593 129 % $ 73,134 * $ (4,029) * Active clients 832 (2) % 851 5 % 814 6 % GSV per active client $ 4,815 (1) % $ 4,867 (4) % $ 5,045 10 % *Not meaningful (1) Adjusted EBITDA is not prepared in accordance with, and is not an alternative to, financial measures prepared in accordance with U.S.
We also generate Marketplace revenue from fees for premium offerings, such as our Upwork Payroll offering, as well as purchases of Connects, talent memberships, and other services, such as foreign currency exchange when clients choose to pay in currencies other than the U.S. dollar.
We also generate revenue through ads and monetization products, including purchases of Connects, talent memberships, and other services, such as foreign currency exchange when clients choose to pay in currencies other than the U.S. dollar. Additionally, we earn interest on funds held on behalf of customers.
In addition, as market conditions warrant, we may, from time to time, repurchase additional outstanding Notes in the open market, in privately negotiated transactions, by tender offer, by exchange transaction, or otherwise. Such repurchases of Notes, if any, will depend on prevailing market conditions, our liquidity, and other factors, and may be commenced or suspended at any time.
Such repurchases of Notes, if any, will depend on prevailing market conditions, our liquidity, and other factors, and may be commenced or suspended at any time. In connection with the issuance of the Notes, we entered into capped call transactions, which we refer to as the Capped Calls.
Judgments include determining whether to present revenue gross, as a principal, or net, as an agent, which is based on an evaluation of whether we control the service prior to it being transferred to the client, and certain aspects of applying Topic 606 to our arrangements with talent subject to tiered service fees.
Judgments include determining whether to present revenue gross, as a principal, or net, as an agent, which is based on an evaluation of whether we control the service prior to it being transferred to the client. We recognize deferred revenue as the related performance obligations are satisfied, on a ratable basis over the relevant service period.
Adjusted EBITDA is not prepared in accordance with, and is not an alternative to, financial measures prepared in accordance with generally accepted accounting principles in the United States, which we refer to as U.S. GAAP.
We expect the initiatives implemented over the past several quarters, along with operational efficiencies and cost savings from the Restructuring Plan, will continue to positively impact net income and adjusted EBITDA in 2025. 37 Adjusted EBITDA is not prepared in accordance with, and is not an alternative to, financial measures prepared in accordance with generally accepted accounting principles in the United States, which we refer to as U.S.
Cost of Revenue and Gross Margin Year Ended December 31, Change (In thousands, except percentages) 2023 2022 $ % Cost of revenue $ 170,450 $ 160,402 $ 10,048 6 % Total gross margin 75 % 74 % For the year ended December 31, 2023, cost of revenue increased by $10.0 million, or 6%, as compared to 2022, primarily as a result of increases in payment processing fees of $3.2 million, cost of talent services to deliver Managed Services of $2.6 million primarily driven by new spend from existing clients of our Managed Services offering, amortization expense associated with capitalized internal-use software and platform development costs of $1.9 million, and hosting fees and other software costs of $1.8 million. 49 We expect cost of revenue to increase in future periods as we continue to support growth on our work marketplace.
Cost of Revenue and Gross Margin Year Ended December 31, Change (In thousands, except percentages) 2024 2023 $ % Cost of revenue $ 174,094 $ 170,450 $ 3,644 2 % Total gross margin 77 % 75 % For the year ended December 31, 2024, cost of revenue increased by $3.6 million, or 2%, compared to 2023, primarily due to increases in the cost of talent services to deliver Managed Services revenue of $5.0 million and amortization expense related to internal-use software and platform development costs of $4.1 million, offset by a reduction in payment processing fees of $2.6 million.
To the extent that we believe any amounts are less likely than not to be realized, we record a valuation allowance to reduce our deferred tax assets. The realization of deferred tax assets is dependent upon future earnings, if any, the timing and amount of which are uncertain.
To the extent that we believe any amounts are less likely than not to be realized, we record a valuation allowance to reduce our deferred tax assets. In addition, the calculation of tax liabilities involves dealing with uncertainties in the application of complex tax regulations.
Enterprise revenue represented 15% of total revenue for the year ended December 31, 2023 and increased by $3.0 million, or 3%, as compared to 2022, due to increased revenue from our Enterprise Solutions and Managed Services offerings. We intend to focus on efforts to attract new clients, as well as talent that meet the criteria sought by such clients.
Enterprise revenue represented 14% of total revenue for the year ended December 31, 2024 and increased by $4.2 million, or 4%, compared to 2023, due to increased revenue from our Managed Services offerings, driven by new spend from existing clients.
Provision for transaction losses consists primarily of losses resulting from fraud and bad debt expense associated with our trade and client receivables balance and transaction losses associated with chargebacks. Provisions for these items represent estimates of losses based on our actual historical incurred losses and other factors.
Provisions for these items represent estimates of losses based on our actual historical incurred losses and other factors.
In April 2023, we introduced a contract initiation fee for clients on our Marketplace offerings. To a lesser extent, we also generate revenue from clients through foreign currency exchange fees when clients choose to pay in currencies other than the U.S. dollar and from interest earned on funds held on behalf of customers.
We also generate revenue through ads and monetization products, including purchases of Connects, talent memberships, and other services, such as foreign currency exchange when clients choose to pay in currencies other than the U.S. dollar. Additionally, we earn interest on funds held on behalf of customers. Enterprise Revenue.
Therefore, in order to satisfy escrow funding requirements, every Sunday we fund the shortage of cash in trust with our own operating cash and typically collect this cash shortage from clients within the next several days. As a result, we expect our total cash and cash flows from operating activities to be impacted when a quarter ends on a Sunday.
Therefore, in order to satisfy escrow funding requirements, every Sunday we match the shortage of cash in trust by restricting our own operating cash and typically collect this cash shortage from clients within the next several days. As of December 31, 2024 and 2023, funds held in escrow, including funds in transit, were $195.7 million and $212.4 million, respectively.
Net cash provided by operating activities during 2021 was $10.8 million, which resulted from non-cash charges of $83.5 million, offset by a net loss of $56.2 million and net cash outflows of $16.5 million from changes in operating assets and liabilities. The change in operating assets and liabilities primarily resulted from the increase in trade and client receivables.
Net cash provided by operating activities during 2023 was $52.7 million, which resulted from net income of $46.9 million and non-cash charges of $45.1 million, offset by net cash outflows of $39.2 million from changes in operating assets and liabilities.
Net cash provided by financing activities during 2021 was $537.7 million, which resulted primarily from proceeds from the Notes, net of debt issuance costs of $560.1 million, an increase in escrow funds payable of $25.8 million, cash received from stock option exercises of $7.2 million, and proceeds received from our employee stock purchase plan of $4.8 million, partially offset by purchases of the Capped Calls of $49.4 million and repayments of borrowings on debt of $10.8 million.
Financing Activities Net cash used in financing activities during 2024 was $82.0 million, which was driven by $100.0 million cash paid for repurchases under the 2023 Share Repurchase Authorization, partially offset by an increase in escrow funds payable of $10.0 million, proceeds received from our employee stock purchase plan of $4.8 million, and cash received from stock option exercises of $3.3 million.
We intend to increase our investment in research and development to further enhance our platform, including the quality of our offerings, and to build new features, in particular, with a focus on machine learning and generative artificial intelligence.
While we remain committed to ongoing innovation to further enhance our platform, including building new features with a focus on generative artificial intelligence, we expect total research and development expense to decrease in 2025.
Contracts under the former tiered service fee model that had a 5% fee retained that rate for those contracts through the end of 2023. We recognize revenue on Sunday of each week for the majority of our talent service fees as that is the day we have the contractual right to bill talent for the service fees.
Revenue for a majority of our talent service fees is recognized on the Sunday of each week, as this is the day we have the contractual right to bill talent for the service fees. We charge a client marketplace fee of 5% on each transaction—or 3% if paid via ACH for eligible clients.
For a discussion of how we measure and evaluate the correlation between Marketplace revenue and Marketplace GSV, see “—Marketplace Take Rate” below. Marketplace Take Rate Marketplace take rate measures the correlation between Marketplace revenue and Marketplace GSV and is calculated by dividing Marketplace revenue by Marketplace GSV.
Marketplace Take Rate Marketplace take rate measures the correlation between Marketplace revenue and Marketplace GSV and is calculated by dividing Marketplace revenue by Marketplace GSV. We define Marketplace GSV as GSV derived from our Marketplace offerings.
As a result of our reduced investment in brand marketing, the reduction of our workforce, and other cost-saving measures implemented in 2023, we expect sales and marketing expense to decrease in 2024. 50 General and Administrative Year Ended December 31, Change (In thousands, except percentages) 2023 2022 $ % General and administrative $ 118,925 $ 123,952 $ (5,027) (4) % Percentage of total revenue 17 % 20 % For the year ended December 31, 2023, general and administrative expense decreased by $5.0 million, or 4%, as compared to 2022.
General and Administrative Year Ended December 31, Change (In thousands, except percentages) 2024 2023 $ % General and administrative $ 128,803 $ 118,925 $ 9,878 8 % Percentage of total revenue 17 % 17 % For the year ended December 31, 2024, general and administrative expense increased by $9.9 million, or 8%, compared to 2023.
GAAP, adjusted EBITDA is a non-GAAP measure that we believe is useful in evaluating our operating performance. We define adjusted EBITDA as net income (loss) adjusted for stock-based compensation expense; depreciation and amortization; interest expense; other income (expense), net; income tax benefit (provision); and, if applicable, other non-cash transactions.
We define adjusted EBITDA as net income (loss) adjusted for stock-based compensation expense; depreciation and amortization; other income (expense), net, which includes interest expense; income tax benefit (provision); and, if applicable, certain other gains, losses, benefits, or charges that are non-cash or are significant and the result of isolated events or transactions that have not occurred frequently in the past and are not expected to occur regularly in the future.
In 2023, we implemented a number of initiatives that positively impacted Marketplace revenue and Marketplace take rate, including modifying existing offerings and other services and features.
Financial Highlights for 2024 Over the past several quarters, we implemented a number of initiatives that positively impacted Marketplace revenue and Marketplace take rate.