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Side-by-side financial comparison of FISERV INC (FISV) and Williams Companies (WMB). Click either name above to swap in a different company.

FISERV INC is the larger business by last-quarter revenue ($5.3B vs $3.8B, roughly 1.4× Williams Companies). Williams Companies runs the higher net margin — 19.1% vs 15.3%, a 3.8% gap on every dollar of revenue. On growth, Williams Companies posted the faster year-over-year revenue change (12.7% vs 0.6%). FISERV INC produced more free cash flow last quarter ($1.5B vs $-379.0M). Over the past eight quarters, Williams Companies's revenue compounded faster (7.3% CAGR vs 4.0%).

Fiserv, Inc. is an American multinational financial technology company headquartered in Milwaukee, Wisconsin. The company processes debit and credit card transactions, loyalty programs, loans, electronic bill pay, wires and ACH transfers, check deposits, and ATM transactions on behalf of banking institutions. The company also produces debit and credit cards and point of sale terminals.

The Williams Companies, Inc. is an American energy company based in Tulsa, Oklahoma. Its core business is natural gas processing and transportation, with additional petroleum and electricity generation assets. A Fortune 500 company, its common stock is a component of the S&P 500.

FISV vs WMB — Head-to-Head

Bigger by revenue
FISV
FISV
1.4× larger
FISV
$5.3B
$3.8B
WMB
Growing faster (revenue YoY)
WMB
WMB
+12.0% gap
WMB
12.7%
0.6%
FISV
Higher net margin
WMB
WMB
3.8% more per $
WMB
19.1%
15.3%
FISV
More free cash flow
FISV
FISV
$1.9B more FCF
FISV
$1.5B
$-379.0M
WMB
Faster 2-yr revenue CAGR
WMB
WMB
Annualised
WMB
7.3%
4.0%
FISV

Income Statement — Q4 FY2025 vs Q4 FY2025

Metric
FISV
FISV
WMB
WMB
Revenue
$5.3B
$3.8B
Net Profit
$811.0M
$734.0M
Gross Margin
Operating Margin
24.4%
27.3%
Net Margin
15.3%
19.1%
Revenue YoY
0.6%
12.7%
Net Profit YoY
-13.5%
51.0%
EPS (diluted)
$1.51
$0.60

Green = leading value per metric. Periods may differ when fiscal calendars don't align.

8-Quarter Revenue & Profit Trend

Side-by-side quarterly history. Quarters aligned by calendar period so offset fiscal years line up.

Revenue
FISV
FISV
WMB
WMB
Q4 25
$5.3B
$3.8B
Q3 25
$5.3B
$3.5B
Q2 25
$5.5B
$3.4B
Q1 25
$5.1B
$4.2B
Q4 24
$5.3B
$3.4B
Q3 24
$5.2B
$3.0B
Q2 24
$5.1B
$2.8B
Q1 24
$4.9B
$3.3B
Net Profit
FISV
FISV
WMB
WMB
Q4 25
$811.0M
$734.0M
Q3 25
$792.0M
$647.0M
Q2 25
$1.0B
$546.0M
Q1 25
$851.0M
$691.0M
Q4 24
$938.0M
$486.0M
Q3 24
$564.0M
$706.0M
Q2 24
$894.0M
$401.0M
Q1 24
$735.0M
$632.0M
Operating Margin
FISV
FISV
WMB
WMB
Q4 25
24.4%
27.3%
Q3 25
27.3%
31.8%
Q2 25
30.7%
28.0%
Q1 25
27.2%
26.1%
Q4 24
31.8%
23.2%
Q3 24
30.7%
27.6%
Q2 24
28.0%
24.4%
Q1 24
24.2%
30.3%
Net Margin
FISV
FISV
WMB
WMB
Q4 25
15.3%
19.1%
Q3 25
15.0%
18.5%
Q2 25
18.6%
16.2%
Q1 25
16.6%
16.5%
Q4 24
17.9%
14.2%
Q3 24
10.8%
23.3%
Q2 24
17.5%
14.1%
Q1 24
15.1%
18.9%
EPS (diluted)
FISV
FISV
WMB
WMB
Q4 25
$1.51
$0.60
Q3 25
$1.46
$0.53
Q2 25
$1.86
$0.45
Q1 25
$1.51
$0.56
Q4 24
$1.63
$0.39
Q3 24
$0.98
$0.58
Q2 24
$1.53
$0.33
Q1 24
$1.24
$0.52

Balance Sheet & Financial Strength

Snapshot of each company's liquidity, leverage and book value from the latest quarter.

Metric
FISV
FISV
WMB
WMB
Cash + ST InvestmentsLiquidity on hand
$798.0M
Total DebtLower is stronger
$27.8B
$27.3B
Stockholders' EquityBook value
$25.8B
$12.8B
Total Assets
$80.1B
$58.6B
Debt / EquityLower = less leverage
1.08×
2.13×

8-quarter trend — quarters aligned by calendar period.

Cash + ST Investments
FISV
FISV
WMB
WMB
Q4 25
$798.0M
Q3 25
$1.1B
Q2 25
$999.0M
Q1 25
$1.2B
Q4 24
$1.2B
Q3 24
$1.2B
Q2 24
$1.2B
Q1 24
$1.2B
Total Debt
FISV
FISV
WMB
WMB
Q4 25
$27.8B
$27.3B
Q3 25
$28.9B
$25.6B
Q2 25
$28.1B
$25.6B
Q1 25
$27.0B
$24.1B
Q4 24
$23.7B
$24.7B
Q3 24
$24.1B
$24.8B
Q2 24
$24.4B
$24.1B
Q1 24
$23.8B
$24.1B
Stockholders' Equity
FISV
FISV
WMB
WMB
Q4 25
$25.8B
$12.8B
Q3 25
$25.1B
$12.5B
Q2 25
$25.2B
$12.4B
Q1 25
$25.9B
$12.5B
Q4 24
$27.1B
$12.4B
Q3 24
$27.8B
$12.4B
Q2 24
$28.2B
$12.3B
Q1 24
$28.8B
$12.4B
Total Assets
FISV
FISV
WMB
WMB
Q4 25
$80.1B
$58.6B
Q3 25
$79.4B
$55.7B
Q2 25
$81.5B
$56.1B
Q1 25
$80.4B
$54.9B
Q4 24
$77.2B
$54.5B
Q3 24
$79.8B
$53.8B
Q2 24
$93.4B
$52.4B
Q1 24
$92.7B
$52.7B
Debt / Equity
FISV
FISV
WMB
WMB
Q4 25
1.08×
2.13×
Q3 25
1.15×
2.04×
Q2 25
1.11×
2.06×
Q1 25
1.04×
1.93×
Q4 24
0.88×
1.99×
Q3 24
0.87×
2.00×
Q2 24
0.87×
1.96×
Q1 24
0.82×
1.94×

Cash Flow & Capital Efficiency

How much cash each business actually produces after reinvestment. Cash flow is harder to manipulate than net income.

Metric
FISV
FISV
WMB
WMB
Operating Cash FlowLast quarter
$1.9B
$1.6B
Free Cash FlowOCF − Capex
$1.5B
$-379.0M
FCF MarginFCF / Revenue
28.4%
-9.9%
Capex IntensityCapex / Revenue
8.4%
50.9%
Cash ConversionOCF / Net Profit
2.40×
2.15×
TTM Free Cash FlowTrailing 4 quarters
$4.3B
$1.0B

8-quarter trend — quarters aligned by calendar period.

Operating Cash Flow
FISV
FISV
WMB
WMB
Q4 25
$1.9B
$1.6B
Q3 25
$1.8B
$1.4B
Q2 25
$1.7B
$1.4B
Q1 25
$648.0M
$1.4B
Q4 24
$2.2B
$1.2B
Q3 24
$2.2B
$1.2B
Q2 24
$1.3B
$1.3B
Q1 24
$831.0M
$1.2B
Free Cash Flow
FISV
FISV
WMB
WMB
Q4 25
$1.5B
$-379.0M
Q3 25
$1.3B
$485.0M
Q2 25
$1.2B
$478.0M
Q1 25
$313.0M
$421.0M
Q4 24
$1.8B
$450.0M
Q3 24
$1.8B
$561.0M
Q2 24
$993.0M
$700.0M
Q1 24
$411.0M
$690.0M
FCF Margin
FISV
FISV
WMB
WMB
Q4 25
28.4%
-9.9%
Q3 25
24.7%
13.9%
Q2 25
21.5%
14.2%
Q1 25
6.1%
10.1%
Q4 24
34.7%
13.2%
Q3 24
35.2%
18.5%
Q2 24
19.4%
24.6%
Q1 24
8.4%
20.7%
Capex Intensity
FISV
FISV
WMB
WMB
Q4 25
8.4%
50.9%
Q3 25
9.6%
27.3%
Q2 25
8.7%
28.8%
Q1 25
6.5%
24.2%
Q4 24
7.6%
22.5%
Q3 24
7.7%
22.5%
Q2 24
6.8%
20.3%
Q1 24
8.6%
16.3%
Cash Conversion
FISV
FISV
WMB
WMB
Q4 25
2.40×
2.15×
Q3 25
2.28×
2.22×
Q2 25
1.62×
2.66×
Q1 25
0.76×
2.07×
Q4 24
2.37×
2.51×
Q3 24
3.97×
1.76×
Q2 24
1.50×
3.19×
Q1 24
1.13×
1.95×

Financial Flow Comparison

Revenue → gross profit → operating profit → net profit for each company.

Revenue Breakdown by Segment

FISV
FISV

Small Business$1.7B32%
Products$1.0B19%
Digital Payments$960.0M18%
Issuing$792.0M15%
Enterprise$587.0M11%
Processing$265.0M5%
Affiliated Entity$18.0M0%

WMB
WMB

Services$2.2B57%
Natural Gas Us Regulated$740.0M19%
West$730.0M19%
Non Regulated Service Commodity Consideration$51.0M1%
Natural Gas Gathering Transportation Marketing And Processing$45.0M1%
Affiliated Entity$23.0M1%
Other$14.0M0%
Other Service$11.0M0%

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