Biggest changeThe increase in free cash flow for the year ended December 31, 2023 compared to 2022 was primarily as a result of an increase in cash generated from operations. 63 Results of Operations The following table sets forth our results of operations for the periods presented: Year Ended December 31, Change 2024 versus 2023 2024 2023 2022 $ % (in thousands) Revenue $ 871,745 $ 614,490 $ 497,001 $ 257,255 41.9 % Cost of revenue (1) 633,575 432,148 347,323 201,427 46.6 % Gross profit 238,170 182,342 149,678 55,828 30.6 % Gross margin 27.3 % 29.7 % 30.1 % Operating expenses Research and development (1) 51,334 44,248 41,220 7,086 16.0 % Sales and marketing (1) 105,052 83,996 73,295 21,056 25.1 % General and administrative (1) 36,927 36,005 38,139 922 2.6 % Total operating expenses 193,313 164,249 152,654 29,064 17.7 % Income (loss) from operations 44,857 18,093 (2,976 ) 26,764 147.9 % Interest income, net 8,742 7,019 1,663 1,723 24.5 % Other income 345 12 5 333 n/m Income (loss) before income taxes 53,944 25,124 (1,308 ) 28,820 114.7 % (Provision for) benefit from income taxes (9,775 ) (2,802 ) 795 (6,973 ) 248.9 % Net income (loss) $ 44,169 $ 22,322 $ (513 ) $ 21,847 97.9 % (1) Stock-based compensation expense was allocated in cost of revenue and operating expenses as follows: Year Ended December 31, 2024 2023 2022 (in thousands) Cost of revenue $ 251 $ 156 $ — Research and development 3,100 1,990 1,647 Sales and marketing 5,639 2,808 1,736 General and administrative 3,865 4,436 3,353 Total stock-based compensation $ 12,855 $ 9,390 $ 6,736 The following table presents the components of our consolidated statements of operations for the periods presented as a percentage of revenue: Year Ended December 31, 2024 2023 2022 Revenue 100.0 % 100.0 % 100.0 % Cost of revenue 72.7 % 70.3 % 69.9 % Gross profit 27.3 % 29.7 % 30.1 % Operating expenses Research and development 5.9 % 7.2 % 8.3 % Sales and marketing 12.1 % 13.7 % 14.7 % General and administrative 4.2 % 5.9 % 7.7 % Total operating expenses 22.2 % 26.8 % 30.7 % Income (loss) from operations 5.1 % 2.9 % (0.6 )% Interest income, net 1.0 % 1.1 % 0.3 % Other income 0.0 % 0.0 % 0.0 % Income (loss) before income taxes 6.1 % 4.0 % (0.3 )% (Provision for) benefit from income taxes (1.1 )% (0.5 )% 0.2 % Net income (loss) 5.0 % 3.5 % (0.1 )% 64 Comparison of the Years Ended December 31, 2024 and 2023 Revenue The increase in revenue was primarily driven by an increase in the number of transactions processed, which was driven by the implementation of new billers and increased transactions from our existing billers.
Biggest changeCash generated from operations increased in 2025 compared to 2024 primarily due to stronger operating performance associated with the scaling of our business, as well as improvements in working capital management. 53 Results of Operations The following table sets forth our results of operations for the periods presented: Year Ended December 31, Change 2025 versus 2024 2025 2024 2023 $ % (in thousands) Revenue $ 1,196,507 $ 871,745 $ 614,490 $ 324,762 37.3 % Cost of revenue (1) 900,165 633,575 432,148 266,590 42.1 % Gross profit 296,342 238,170 182,342 58,172 24.4 % Gross margin 24.8 % 27.3 % 29.7 % Operating expenses Research and development (1) 61,474 51,334 44,248 10,140 19.8 % Sales and marketing (1) 111,928 105,052 83,996 6,876 6.5 % General and administrative (1) 47,400 36,927 36,005 10,473 28.4 % Total operating expenses 220,802 193,313 164,249 27,489 14.2 % Income from operations 75,540 44,857 18,093 30,683 68.4 % Interest income 9,506 8,742 7,019 764 8.7 % Other income 229 345 12 (116 ) (33.6 )% Income before income taxes 85,275 53,944 25,124 31,331 58.1 % Provision for income taxes 18,338 9,775 2,802 8,563 87.6 % Net income $ 66,937 $ 44,169 $ 22,322 $ 22,768 51.5 % (1) Stock-based compensation expense was allocated in cost of revenue and operating expenses as follows: Year Ended December 31, 2025 2024 2023 Cost of revenue $ 287 $ 251 $ 156 Research and development 3,903 3,100 1,990 Sales and marketing 6,695 5,639 2,808 General and administrative 9,936 3,865 4,436 Total stock-based compensation $ 20,821 $ 12,855 $ 9,390 The following table presents the components of our consolidated statements of operations for the periods presented as a percentage of revenue: Year Ended December 31, 2025 2024 2023 Revenue 100.0 % 100.0 % 100.0 % Cost of revenue 75.2 % 72.7 % 70.3 % Gross profit 24.8 % 27.3 % 29.7 % Operating expenses Research and development 5.1 % 5.9 % 7.2 % Sales and marketing 9.4 % 12.1 % 13.7 % General and administrative 4.0 % 4.2 % 5.9 % Total operating expenses 18.5 % 22.2 % 26.8 % Income from operations 6.3 % 5.1 % 2.9 % Interest income 0.8 % 1.0 % 1.1 % Other income 0.0 % 0.0 % 0.0 % Income before income taxes 7.1 % 6.1 % 4.0 % Provision for income taxes 1.5 % 1.1 % 0.5 % Net income 5.6 % 5.0 % 3.5 % Comparison of the Years Ended December 31, 2025 and 2024 54 Revenue The increase in revenue was primarily driven by an increase in the number of transactions processed, which was driven by the implementation of new billers and increased transactions from our existing billers.
Transaction fees are fees collected for each transaction processed through our platform, on either a fixed basis or variable basis based on the transaction value, with the actual fees dependent on type of transaction, payment or transaction channel and industry vertical.
Transaction fees are fees collected for each transaction processed through our platform, on either a fixed basis or variable basis based on the transaction value, with the actual fees dependent on the type of transaction, payment or transaction channel and industry vertical.
We expect our sales and marketing expenses to increase in absolute dollars alongside revenue growth, but they may fluctuate as a percentage of revenue from period to period. General and Administrative General and administrative expenses consist primarily of personnel-related expenses, including stock-based compensation expenses for finance, risk management, legal and compliance, human resources, information technology and facilities personnel.
We expect our sales and marketing expenses to increase in absolute dollars alongside revenue growth, but they may fluctuate as a percentage of revenue from period to period. General and Administrative 49 General and administrative expenses consist primarily of personnel-related expenses, including stock-based compensation expenses for finance, risk management, legal and compliance, human resources, information technology and facilities personnel.
We acquire new billers through direct sales channels, software and strategic partnerships and our Instant Payment Network, or IPN, which together promote rapid adoption of our platform through partnerships with leading business networks. Through these channels, our platform reaches millions of consumers, driving transaction growth. Our revenue is predictable to a certain degree.
We acquire new billers through direct sales channels, software and strategic partnerships and our Instant Payment Network (IPN), which together promote rapid adoption of our platform through partnerships with leading business networks. Through these channels, our platform reaches millions of consumers, driving transaction growth. Our revenue is predictable to a certain degree.
If we raise additional financing by the incurrence of indebtedness, we may be subject to increased fixed payment obligations and could be subject to additional restrictive covenants, such as limitations on our ability to incur additional debt, and other operating restrictions that could adversely impact our ability to conduct our business or execute our growth strategy.
If we raise additional financing by the incurrence of indebtedness, we may be subject to increased fixed payment obligations and could be subject to additional restrictive covenants, such as limitations on our 55 ability to incur additional debt, and other operating restrictions that could adversely impact our ability to conduct our business or execute our growth strategy.
We use contribution profit to measure the amount available to fund our operations after interchange and assessment fees, which are directly linked to the number of transactions we process and thus our revenue and gross profit. There are limitations to the use of the non-GAAP measures presented in this report.
We use contribution profit to measure the amount available to fund our operations after interchange and assessment fees, which are directly linked to the number of transactions we process and 51 thus our revenue and gross profit. There are limitations to the use of the non-GAAP measures presented in this report.
Internal-use Software Development Costs Internal-use software development costs consist of personnel costs, including related benefits, incurred to develop functionality for our platform, as well as certain upgrades and enhancements that are expected to result in enhanced functionality. We capitalize certain software development costs for new offerings as well as upgrades to our existing software platforms.
Internal-use Software Development Costs Internal-use software development costs consist of personnel costs, including related benefits, incurred to develop functionality for our platform, as well as certain upgrades and enhancements that are expected to result in enhanced functionality. We capitalize certain software development costs for new offerings as well as upgrades to our existing software 57 platforms.
Goodwill impairment is recognized when the quantitative assessment results in the carrying value of the reporting unit exceeding its fair value, in which case an impairment charge is recorded to goodwill to the extent the carrying value exceeds 68 the fair value, limited to the amount of goodwill.
Goodwill impairment is recognized when the quantitative assessment results in the carrying value of the reporting unit exceeding its fair value, in which case an impairment charge is recorded to goodwill to the extent the carrying value exceeds the fair value, limited to the amount of goodwill.
Adjusted EBITDA We define adjusted EBITDA as net income before interest income (expense), net, other income (expense), depreciation and amortization of acquisition-related intangible assets and capitalized software development costs, and income taxes, adjusted to exclude the effects of net foreign exchange gain (loss), stock-based compensation expense and certain nonrecurring expenses that management believes are not indicative of ongoing operations.
Adjusted EBITDA We calculate adjusted EBITDA as net income before interest income (expense), net, other income (expense), depreciation and amortization of acquisition-related intangible assets and capitalized software development costs, and income taxes, adjusted to exclude the effects of net foreign exchange gain (loss), stock-based compensation expense and certain nonrecurring expenses that management believes are not indicative of ongoing operations.
We will continue to leverage emerging technologies and invest in the development of more features and better functionality for consumers. 60 Key Performance and Non-GAAP Measures We use the following metrics to measure our performance, identify trends affecting our business, prepare financial projections and make strategic decisions.
We will continue to leverage emerging technologies and invest in the development of more features and better functionality for consumers. 50 Key Performance and Non-GAAP Measures We use the following metrics to measure our performance, identify trends affecting our business, prepare financial projections and make strategic decisions.
In particular, we exclude interchange and assessment fees in the presentation of contribution profit because we believe inclusion is less directly reflective of our operating performance as we do not control the payment channel used by consumers, which is the primary determinant of the amount of interchange and assessment fees.
In particular, we exclude interchange, assessment and other network fees in the presentation of contribution profit because we believe inclusion is less directly reflective of our operating performance as we do not control the payment channel used by consumers, which is the primary determinant of the amount of interchange, assessment and other network fees.
The increase in 2024 was primarily driven by growth in transaction count and volume driven by the addition of new billers and financial institutions and increased transactions from our existing billers and financial institutions.
The increase in 2025 was primarily driven by growth in transaction count and volume driven by the addition of new billers and financial institutions and increased transactions from our existing billers and financial institutions.
We amortize these development costs over the estimated useful life of three to five years on a straight-line basis. We believe there are two key estimates within the internal-use capitalized software development balance, which are the determination of the useful life of the software and the determination of the amounts to be capitalized.
We amortize these development costs over the estimated useful life on a straight-line basis. We believe there are two key estimates within the internal-use capitalized software development balance, which are the determination of the useful life of the software and the determination of the amounts to be capitalized.
A discussion of changes in our results of operations from fiscal year 2022 to fiscal year 2023 and a discussion of our liquidity and capital resources for 2022 has been omitted from this Annual Report on Form 10-K but may be found under the heading "Management’s Discussion and Analysis of Financial Condition and Results of Operations—Comparison of the Years Ended December 31, 2023 and 2022" and "—Liquidity and Capital Resources—"Sources and Uses of Funds" and "—Historical Cash Flows" in our Annual Report on Form 10-K for the year ended December 31, 2023, filed with the SEC on March 5, 2024, which is available free of charge on the SECs website at www.sec.gov and our website at https://ir.paymentus.com/home/default.aspx .
A discussion of changes in our results of operations from fiscal year 2023 to fiscal year 2024 and a discussion of our liquidity and capital resources for 2024 have been omitted from this Annual Report on Form 10-K but may be found under the heading "Management’s Discussion and Analysis of Financial Condition and Results of Operations—Comparison of the Years Ended December 31, 2024 and 2023" and "—Liquidity and Capital Resources—"Sources and Uses of Funds" and "—Historical Cash Flows" in our Annual Report on Form 10-K for the year ended December 31, 2024, filed with the SEC on March 11, 2025, which is available free of charge on the SEC's website at www.sec.gov and our website at https://ir.paymentus.com/home/default.aspx .
Transactions Processed Year Ended December 31, 2024 2023 2022 (in millions) Transactions processed 597.0 458.2 366.8 We define transactions processed as the number of revenue generating payment transactions, such as checks, credit card and debit card transactions, automated clearing house, or ACH, items and emerging payment types, which are initiated and generally processed through our platform during a period.
Transactions Processed Year Ended December 31, 2025 2024 2023 (in millions) Transactions processed 724.0 597.0 458.2 We define transactions processed as the number of revenue generating payment transactions, such as checks, credit card and debit card transactions, automated clearing house (ACH) items and emerging payment types, which are initiated and generally processed through our platform during a period.
Our platform was used by approximately 46 million consumers and businesses globally in December 2024 to pay their bills, make money movements and engage with our clients.
Our platform was used by approximately 53 million consumers and businesses globally in December 2025 to pay their bills, make money movements and engage with our clients.
In circumstances where we have minimum revenue or transaction commitments, determining the appropriate accounting treatment of fixed and variable consideration may require considerable judgment. We will evaluate our accounts receivable portfolio to determine if an allowance for credit losses is necessary.
In circumstances where we have minimum revenue or transaction commitments, determining the appropriate accounting treatment of fixed and variable consideration, including the assessment of the risk of revenue reversal to ensure revenue is not overstated, may require considerable judgment. We will evaluate our accounts receivable portfolio to determine if an allowance for credit losses is necessary.
Net cash provided by operating activities mainly consists of our net income (loss) adjusted for certain non-cash items, including depreciation and amortization, stock-based compensation, other non-cash income and expense items, and net changes in operating assets and liabilities. Net cash provided by operating activities for the year ended December 31, 2024 was $63.6 million.
Net cash provided by operating activities mainly consists of our net income adjusted for certain non-cash items, including depreciation and amortization, stock-based compensation, other non-cash income and expense items, and net changes in operating assets and liabilities. Net cash provided by operating activities for the year ended December 31, 2025 was $162.1 million.
Our ability to attract new, and maintain existing, billers and financial institutions and drive adoption of our platform will depend on a number of factors, including the effectiveness and pricing of our products, offerings of our competitors and the effectiveness of our marketing efforts.
Our client base includes a broad and diverse range of billers and financial institutions. Our ability to attract new, and maintain existing, billers and financial institutions and drive adoption of our platform will depend on a number of factors, including the effectiveness and pricing of our products, offerings of our competitors and the effectiveness of our marketing efforts.
The number of transactions also includes account-to-account and person-to-person transfers. The number of transactions processed during the year ended December 31, 2024 increased approximately 30.3% as compared to 2023. The number of transactions processed during the year ended December 31, 2023 increased approximately 24.9% as compared to 2022.
The number of transactions also includes account-to-account and person-to-person transfers. The number of transactions processed during the year ended December 31, 2025 increased approximately 21.3% as compared to 2024. The number of transactions processed during the year ended December 31, 2024 increased approximately 30.3% as compared to 2023.
We believe that existing unrestricted cash and cash equivalents will be sufficient to support our working capital and capital expenditure requirements for at least the next 12 months. Since inception, we have financed operations primarily through the sale of equity securities and revenue from payment transaction fees.
We believe that existing unrestricted cash and cash equivalents will be sufficient to support our working capital, capital expenditure and other commitments described in the "Contractual Obligations and Other Commitments" section below, for at least the next 12 months. Since inception, we have financed operations primarily through the sale of equity securities and revenue from payment transaction fees.
Contribution Profit Year Ended December 31, 2024 2023 2022 (in thousands) Gross profit $ 238,170 $ 182,342 $ 149,678 Plus: other cost of revenue 73,898 58,606 51,622 Contribution profit $ 312,068 $ 240,948 $ 201,300 In general, contribution profit is driven by the number of transactions we process offset by network fees associated with processing those transactions.
Contribution Profit Year Ended December 31, 2025 2024 2023 (in thousands) Gross profit $ 296,342 $ 238,170 $ 182,342 Plus: other cost of revenue 89,967 73,898 58,606 Contribution profit $ 386,309 $ 312,068 $ 240,948 In general, contribution profit is driven by the number of transactions we process offset by network fees associated with processing those transactions.
Net cash provided by operating activities for the year ended December 31, 2023 was $68.8 million. Net income was $22.3 million, adjusted for non-cash charges of $46.1 million consisting primarily of depreciation and amortization, stock-based compensation, amortization of capitalized contract acquisition costs and warrants cost, and non-cash lease expense, which contributed positively to operating activities.
Net cash provided by operating activities for the year ended December 31, 2024 was $63.6 million. Net income was $44.2 million, adjusted for non-cash charges of $52.1 million consisting primarily of depreciation and amortization, stock-based compensation, amortization of capitalized contract acquisition costs and warrants cost, and non-cash lease expense, which contributed positively to operating activities.
While we do not anticipate any significant changes to this three to five-year estimate, a change in this estimate could produce a material impact on our financial statements.
While we do not anticipate any significant changes to the estimated useful life, a change in this estimate could produce a material impact on our financial statements.
To properly and prudently evaluate our business, we encourage you to review the consolidated financial statements and related notes included elsewhere in this report and to not rely on any single financial measure to evaluate our business.
We also urge you to review the reconciliation of these non-GAAP financial measures included below. To properly and prudently evaluate our business, we encourage you to review the consolidated financial statements and related notes included elsewhere in this report and to not rely on any single financial measure to evaluate our business.
Contribution profit for the year ended December 31, 2024 increased approximately 29.5% as compared to 2023 and increased approximately 19.7% for the year ended December 31, 2023 as compared to 2022.
Contribution profit for the year ended December 31, 2025 increased approximately 23.8% as compared to 2024 and increased approximately 29.5% for the year ended December 31, 2024 as compared to 2023.
Adjusted Gross Profit Year Ended December 31, 2024 2023 2022 (in thousands) Gross profit $ 238,170 $ 182,342 $ 149,678 Stock-based compensation 251 156 — Amortization of capitalized software development costs 17,911 13,341 8,761 Amortization of acquisition-related intangibles 3,313 3,314 3,316 Adjusted gross profit $ 259,645 $ 199,153 $ 161,755 Adjusted gross profit for the year ended December 31, 2024 increased 30.4% as compared to 2023 and increased 23.1% for the year ended December 31, 2023 as compared to 2022.
Adjusted Gross Profit Year Ended December 31, 2025 2024 2023 (in thousands) Gross profit $ 296,342 $ 238,170 $ 182,342 Stock-based compensation 287 251 156 Amortization of capitalized software development costs 22,520 17,911 13,341 Amortization of acquisition-related intangibles 2,209 3,313 3,314 Adjusted gross profit $ 321,358 $ 259,645 $ 199,153 Adjusted gross profit for the year ended December 31, 2025 increased 23.8% as compared to 2024 and increased 30.4% for the year ended December 31, 2024 as compared to 2023.
Overview We are a leading provider of cloud-based bill payment technology and solutions. We deliver our next-generation product suite through a modern technology stack to more than 2,500 biller business and financial institution clients.
Overview As a leading provider of cloud-based bill payment technology and solutions, we deliver our next-generation product suite through a modern technology stack to a broad and diverse base of business and financial institution clients.
Net income was $44.2 million, adjusted for non-cash charges of $55.4 million consisting primarily of depreciation and amortization, stock-based compensation, amortization of capitalized contract acquisition costs and warrants cost, and non-cash lease expense, which contributed positively to operating activities. This was decreased by net cash outflows of $36.0 million for changes in our operating assets and liabilities.
Net income was $66.9 million, adjusted for non-cash charges of $66.7 million consisting primarily of depreciation and amortization, stock-based compensation, amortization of capitalized contract acquisition costs and warrants cost, and non-cash lease expense, which contributed positively to operating activities. This was further supported by net cash inflows of $28.5 million for changes in our operating assets and liabilities.
We have observed that consumers demand a frictionless electronic bill payment experience and increasingly prefer more flexible and innovative digital payment options. We expect this trend to continue, providing us with a greater opportunity to provide next-generation bill and digital payment technology and power more transactions, further fueling our growth.
We expect this trend to continue, providing us with a greater opportunity to provide next-generation bill and digital payment technology and power more transactions, further fueling our growth.
Our non-GAAP measures may not be comparable to similarly titled measures of other companies; other companies, including companies in our industry, 61 may calculate non-GAAP measures differently than we do, limiting the usefulness of those measures for comparative purposes.
Our non-GAAP measures may not be comparable to similarly titled measures of other companies; other companies, including companies in our industry, may calculate non-GAAP measures differently than we do, limiting the usefulness of those measures for comparative purposes. These non-GAAP measures should not be considered in isolation from or as a substitute for financial measures prepared in accordance with GAAP.
We recognize the tax benefit of an uncertain tax position only if it is more likely than not the position will be sustainable upon examination by the taxing authority, including resolution of any related appeals or litigation processes.
Our tax positions are subject to income tax audits by multiple tax jurisdictions such as U.S., Canada and India. We recognize the tax benefit of an uncertain tax position only if it is more likely than not the position will be sustainable upon examination by the taxing authority, including resolution of any related appeals or litigation processes.
These supplemental non-GAAP measures include contribution profit, adjusted gross profit, adjusted EBITDA and free cash flow. Contribution Profit We calculate contribution profit as gross profit plus other cost of revenue. Other cost of revenue equals cost of revenue less interchange and assessment fees paid by us to our payment processors.
Contribution Profit We calculate contribution profit as gross profit plus other cost of revenue. Other cost of revenue equals cost of revenue less interchange, assessment and other network fees paid by us to our payment processors.
A valuation allowance is established if, based upon the available evidence, it is more likely than not that some or all of the deferred tax assets will not be realized.
A valuation allowance is established if, based upon the available evidence, it is more likely than not that some or all of the deferred tax assets will not be realized. As of December 31, 2025, our valuation allowance was immaterial and related primarily to specific foreign tax credits.
We serve billers of all sizes that primarily provide non-discretionary services across a variety of industry verticals, including utilities, financial services, insurance, government, telecommunications, real estate management, education, consumer finance, healthcare and small business. We also serve financial institutions by providing them with a modern platform that their customers use for bill payment, account-to-account transfers and person-to-person transfers.
We serve billers of all sizes that primarily provide non-discretionary services across a variety of industry verticals, including utilities, financial services, insurance, government, telecommunications, real estate management, education, consumer finance, healthcare, business to business (B2B) and small business.
Off-Balance Sheet Arrangements We have not entered into any off-balance sheet arrangements and do not have any holdings in variable interest entities. Critical Accounting Policies and Estimates Our discussion and analysis of our financial condition and results of operations are based upon our financial statements, which have been prepared in accordance with GAAP.
Critical Accounting Policies and Estimates Our discussion and analysis of our financial condition and results of operations are based upon our financial statements, which have been prepared in accordance with GAAP.
Any future indebtedness we incur may result in terms that could be unfavorable to equity investors. 65 Historical Cash Flows The following table summarizes our consolidated cash flows: Year Ended December 31, 2024 2023 2022 (in thousands) Net cash provided by (used in) Operating activities $ 63,634 $ 68,828 $ 19,867 Investing activities (36,761 ) (34,299 ) (34,560 ) Financing activities (207 ) (1,195 ) (37,283 ) Effects of foreign exchange on cash (450 ) 176 (168 ) Net increase (decrease) in cash, cash equivalents and restricted cash $ 26,216 $ 33,510 $ (52,144 ) Net Cash Provided by Operating Activities Our primary source of operating cash is revenue from payment transaction fees.
Historical Cash Flows The following table summarizes our consolidated cash flows: Year Ended December 31, 2025 2024 2023 (in thousands) Net cash provided by (used in) Operating activities $ 162,127 $ 63,634 $ 68,828 Investing activities (36,518 ) (36,761 ) (34,299 ) Financing activities (10,577 ) (207 ) (1,195 ) Effects of foreign exchange on cash 95 (450 ) 176 Net increase in cash, cash equivalents and restricted cash $ 115,127 $ 26,216 $ 33,510 Net Cash Provided by Operating Activities Our primary source of operating cash is revenue from payment transaction fees.
The increase in amortization for 2024 and 2023 was driven by the additional capitalization of software costs. 62 Adjusted EBITDA Year Ended December 31, 2024 2023 2022 (in thousands) Net income (loss) — GAAP $ 44,169 $ 22,322 $ (513 ) Interest income, net (8,742 ) (7,019 ) (1,663 ) Other income (1) (213 ) — — Provision for (benefit from) income taxes 9,775 2,802 (795 ) Amortization of capitalized software development costs 27,586 21,349 14,621 Amortization of acquisition-related intangibles 8,081 8,380 8,176 Depreciation 817 871 1,266 EBITDA $ 81,473 $ 48,705 $ 21,092 Adjustments Foreign exchange gain (132 ) (12 ) (5 ) Stock-based compensation 12,855 9,390 6,736 Other nonrecurring expenses (2) — — 769 Adjusted EBITDA $ 94,196 $ 58,083 $ 28,592 (1) Other income consists of a remeasurement adjustment relating to the purchase price of a prior acquisition.
The increase in amortization for 2025 was primarily due to expansion of the amortizable base associated with capitalized software. 52 Adjusted EBITDA Year Ended December 31, 2025 2024 2023 (in thousands) Net income — GAAP $ 66,937 $ 44,169 $ 22,322 Interest income (9,506 ) (8,742 ) (7,019 ) Other income (1) — (213 ) — Provision for income taxes 18,338 9,775 2,802 Amortization of capitalized software development costs 33,304 27,586 21,349 Amortization of acquisition-related intangibles 7,088 8,081 8,380 Depreciation 666 817 871 EBITDA $ 116,827 $ 81,473 $ 48,705 Adjustments Foreign exchange gain (229 ) (132 ) (12 ) Stock-based compensation 20,821 12,855 9,390 Adjusted EBITDA $ 137,419 $ 94,196 $ 58,083 (1) Other income consists of a remeasurement adjustment relating to the purchase price of a prior acquisition.
If circumstances relating to specific billers change or unanticipated changes occur in the general business environment, our estimate of the recoverability of receivables could be further adjusted. Business Combinations Upon acquisition of a company, we determine if the transaction is a business combination, which is accounted for using the acquisition method of accounting.
If circumstances relating to specific billers change or unanticipated changes occur in the general business environment, our estimate of the recoverability of receivables could be further adjusted.
General and Administrative Expenses The marginal increase in general and administrative expenses was primarily due to increases in professional fees and legal fees, which were offset by lower cost of insurance premiums of certain business policies. Interest income, net The changes in interest income, net was a result of higher cash balances held with banks.
General and Administrative Expenses The increase in general and administrative expenses was primarily due to increases in employee-related costs, including higher stock-based compensation, professional and legal fees and insurance premiums of certain business policies. Interest income Interest income increased due to higher cash balances held with banks.
Net cash used in financing activities for the year ended December 31, 2023 consisted of $1.7 million of payments on other financing obligations, $0.1 million of payments on finance leases, offset by $0.6 million proceeds from exercise of stock-based awards by employees. 66 Contractual Obligations and Other Commitments The following table summarizes our contractual obligations and commitments in cash as of December 31, 2024: Total Less than 1 Year 1 - 3 Years 3 - 5 Years More than 5 Years Operating lease liabilities (1) 9,046 2,424 3,833 1,853 936 Purchase obligations (2) 10,943 7,716 3,227 Other (3) 412 412 20,401 10,552 7,060 1,853 936 (1) Consists of operating lease liabilities for office space.
Net cash used in financing activities for the year ended December 31, 2024 consisted of $0.5 million of payments related to holdback liabilities settlement offset by $0.3 million of proceeds from exercise of stock-based awards by employees. 56 Contractual Obligations and Other Commitments The following table summarizes our contractual obligations and commitments in cash as of December 31, 2025: Total Less than 1 Year 1 - 3 Years 3 - 5 Years More than 5 Years Operating lease liabilities (1) 7,286 2,571 2,800 1,774 141 Purchase obligations (2) 14,753 9,252 5,501 — — 22,039 11,823 8,301 1,774 141 (1) Consists of operating lease liabilities for office space.
Free Cash Flow Year Ended December 31, 2024 2023 2022 (in thousands) Net cash provided by operating activities $ 63,634 $ 68,828 $ 19,867 Purchases of property and equipment (457 ) (600 ) (1,257 ) Other intangible assets acquired — — (280 ) Capitalized internal-use software development costs (36,119 ) (33,699 ) (29,763 ) Free cash flow $ 27,058 $ 34,529 $ (11,433 ) Net cash used in investing activities $ (36,761 ) $ (34,299 ) $ (34,560 ) Net cash used in financing activities $ (207 ) $ (1,195 ) $ (37,283 ) The decrease in free cash flow for the year ended December 31, 2024 compared to 2023 was primarily as a result of a decrease in cash generated from operations, together with increases in capitalized software development costs.
Free Cash Flow Year Ended December 31, 2025 2024 2023 (in thousands) Net cash provided by operating activities $ 162,127 $ 63,634 $ 68,828 Purchases of property and equipment (361 ) (457 ) (600 ) Capitalized internal-use software development costs (36,737 ) (36,119 ) (33,699 ) Free cash flow $ 125,029 $ 27,058 $ 34,529 The increase in free cash flow for the year ended December 31, 2025 compared to 2024 was primarily the result of an increase in cash generated from operations.
In addition, our modern platform architecture allows us to provide integration, implementation, maintenance and upgrades at no additional cost to billers. Impact of Economic and Inflationary Trends The United States economy experienced inflationary conditions in 2022 and 2023, with some moderation throughout 2024. Interest rates remained relatively stable in 2024, and were cut near the end of the year.
In addition, our modern platform architecture allows us to provide integration, implementation, maintenance and upgrades at no additional cost to billers. Impact of Economic and Inflationary Trends The U.S. economy experienced prolonged economic uncertainty and inflationary conditions in 2022 and into 2023, followed by partial stabilization in 2024.
Net cash used in investing activities for the year ended December 31, 2023 consisted of $33.7 million of capitalized internal-use software development costs and $0.6 million of purchases of property and equipment. Net Cash Used in Financing Activities Cash used in financing activities consists primarily of option exercises and payments related to holdback liabilities related to acquisitions.
Net Cash Used in Investing Activities Net cash used in investing activities for the year ended December 31, 2025 consisted of $36.7 million of capitalized internal-use software development costs, $0.4 million of purchases of property and equipment, offset by $0.6 million of net change in interest-bearing deposits.
Net cash used in financing activities for the year ended December 31, 2024 consisted of $0.5 million of payments related to holdback liabilities settlement offset by $0.3 million proceeds from the exercise of stock options.
Net Cash Used in Financing Activities Net cash used in financing activities for the year ended December 31, 2025 consisted of $10.7 million of payments of taxes withheld on net settled vesting of restricted stock units, offset by $0.2 million of proceeds from the exercise of stock options.
This includes the transition from an emerging growth company to a large accelerated filer for SEC compliance. We expect that 59 our general and administrative expenses will increase in absolute dollars, but they may fluctuate as a percentage of revenue from period to period.
We expect that our general and administrative expenses will increase in absolute dollars, but they may fluctuate as a percentage of revenue from period to period. Over the longer term, we expect general and administrative expenses to decrease as a percentage of revenue as we leverage the scale of our business.
The increase for both years was primarily driven by the addition of new billers and increased transactions from our existing billers. Non-GAAP Measures We use supplemental measures of our performance that are derived from our consolidated financial information but which are not presented in our consolidated financial statements prepared in accordance with U.S. generally accepted accounting principles, or GAAP.
Non-GAAP Measures We use supplemental measures of our performance that are derived from our consolidated financial information but which are not presented in our consolidated financial statements prepared in accordance with U.S. generally accepted accounting principles (GAAP). These supplemental non-GAAP measures include contribution profit, adjusted gross profit, adjusted EBITDA and free cash flow.
We consider all available evidence, both positive and negative, including historical levels of income, expectations and risks associated with estimates of future taxable income, in assessing the need for a valuation allowance. 69 Our tax positions are subject to income tax audits by multiple tax jurisdictions such as USA, Canada and India.
We previously released our domestic valuation allowance in 2024 based on sustained profitability. We continue to monitor all available evidence, both positive and negative, including historical levels of income, expectations and risks associated with estimates of future taxable income, in assessing the need for a valuation allowance.
(2) Consists of purchase obligations which were not recognized on the balance sheet as of December 31, 2024, related primarily to infrastructure services and IT software and maintenance service costs. (3) Consists of Acquisition holdback payments due to the former owners of PROFIT.
(2) Consists of purchase obligations which were not recognized on the balance sheet as of December 31, 2025, related primarily to infrastructure services and IT software and maintenance service costs. Off-Balance Sheet Arrangements We have not entered into any off-balance sheet arrangements and do not have any holdings in variable interest entities.
Research and Development Expenses The increase in research and development expenses was primarily due to increased amortization of capitalized internal-use software development costs, an increase in employee-related costs, including an increase in stock-based compensation and an increase in subscription cost for operational third party services.
Research and Development Expenses Research and development expenses increased primarily due to an increase in employee-related costs, including benefits, driven by increased headcount, higher stock-based compensation and increases in annual compensation, a rise in cloud computing services expenses, reflecting higher utilization of our cloud-based infrastructure and increased data processing demands, an increase in the amortization of capitalized internal-use software development costs and an increase in expenses related to third-party software and technology licenses.
Over the longer term, we expect general and administrative expenses to decrease as a percentage of revenue as we leverage the scale of our business. Factors Affecting Our Performance Increased Adoption of Electronic Bill Payment Solutions As the number of financial transactions online continues to increase, electronic bill payment is becoming a greater share of the bill payment market.
Factors Affecting Our Performance Increased Adoption of Electronic Bill Payment Solutions As the number of financial transactions online continues to increase, electronic bill payment is becoming a greater share of the bill payment market. We have observed that consumers demand a frictionless electronic bill payment experience and increasingly prefer more flexible and innovative digital payment options.
(2) Other nonrecurring expenses represent an estimated liability booked in 2022 related to the cost of terminating a commercial contract. As adjusted EBITDA is a measure of profitability, it is generally expected to move in line with revenue, contribution profit, gross profit and adjusted gross profit.
As adjusted EBITDA is a measure of profitability, it is generally expected to move in line with revenue, contribution profit, gross profit and adjusted gross profit. Adjusted EBITDA increased 45.9% for the year ended December 31, 2025 compared to 2024 and increased 62.2% for the year ended December 31, 2024 compared to 2023.
The increase in 2024 was primarily driven by growth in transaction count and volume driven by the addition of new billers and financial institutions and increased transactions from our existing billers and financial institutions.
The increase in 2025 was primarily driven by the addition of new billers and financial institutions and increased activity from existing billers. The year-over-year change in growth rate reflects a shift in biller mix, including the onboarding of large enterprise billers that typically contribute higher payment volumes relative to transaction counts.
Stock-based Compensation We measure and recognize stock-based compensation expense for all stock-based awards, including grants of restricted stock units, or RSUs, and options to purchase stock granted to employees, outside directors and consultants based on the estimated fair value of the awards on the grant date of the award with the compensation expense recognized on a straight‑line basis over the vesting period of the award.
Stock-based Compensation We recognize stock-based compensation expense for all awards, primarily restricted stock units (RSUs), based on their grant-date fair value. For RSUs, this is the market closing price of our Class A common stock on the grant date.
Income Taxes The change in provision for income taxes, as well as the increase in our effective tax rate, which increased to 18.1% for the year ended December 31, 2024 as compared to 11.2% for the same period in the prior year, was primarily due to an increase in taxable income after utilizing a significant amount of net operating losses (NOLs), which were previously subject to a full valuation allowance.
Income Taxes For the year ended December 31, 2025, the effective tax rate increased to 21.5% compared to 18.1% for the same period in the prior year. The rate for the current period was in line with the U.S. federal statutory rate of 21%.
This was increased by net cash inflows of $0.4 million for changes in our operating assets and liabilities. Net Cash Used in Investing Activities Cash used in our investing activities consists primarily of cash paid for capitalized internal-use software development costs and purchases of property and equipment and change in interest-bearing deposits.
This was decreased by net cash outflows of $32.7 million for changes in our operating assets and liabilities.
While inflationary conditions have stabilized, elevated costs—particularly in the utility sector—and higher interchange fees continue to impact our operations. To mitigate these pressures, we are proactively adjusting our pricing strategies; however, the timing of these adjustments typically lags behind the inflationary effects experienced by our clients.
Inflationary pressures also lead to higher average bills, especially in the utility sector, and increased interchange fees. We may be unable to fully adjust our pricing to address these pressures, and our adjustments typically lag behind the impact of inflation on clients, rising bill amounts and increased interchange fees.