Fiserv vs Block
Add, change or remove companies; up to four.
KIRA’s take AI analyst
I put Fiserv and Block side by side, using each one’s latest annual report. Here is what stands out:
- Block is the larger business, with $24.2B of revenue in fiscal 2025 against $21.2B for Fiserv.
- Fiserv grew revenue faster (3.6%, against 0.3%).
- Fiserv kept more of each dollar of sales as operating profit (27.5% operating margin, against 7.1%).
- Fiserv turned more of its sales into free cash flow (20.3% FCF margin, against 10.0%).
- Fiserv earned a higher return on the capital invested in it (9.0%, against 6.4%).
- Investors pay more for each dollar of Block’s earnings: a P/E of 133.1x against 9.3x for Fiserv.
Who comes out ahead
Of the 10 measures where higher (or lower) is clearly better, how many each company leads.
Fiserv
FISV
8/10
Revenue growthOperating marginNet marginFCF marginReturn on capitalReturn on equityPiotroski F-scoreShare count change
Block
XYZ
2/10
5-year growthNet debt / EBITDA
Side by side
Best in the row
| Latest fiscal year | FISV FY25 | XYZ FY25 |
|---|---|---|
| Size | ||
| Market cap | $25.8B | $45.4B |
| Revenue | $21.2B | $24.2B |
| Free cash flow | $4.3B | $2.4B |
| Net income | $3.5B | $1.3B |
| Growth | ||
| Revenue growth | 3.6% | 0.3% |
| 5-year growth | 7.4% | 20.6% |
| Share count change | −5.7% | −2.1% |
| Profitability | ||
| Gross margin | — | 42.8% |
| Operating margin | 27.5% | 7.1% |
| Net margin | 16.4% | 5.4% |
| FCF margin | 20.3% | 10.0% |
| Return on capital | 9.0% | 6.4% |
| Return on equity | 13.2% | 6.0% |
| Balance sheet | ||
| Net debt | $28.2B | $207M |
| Net debt / EBITDA | 3.2x | 0.1x |
| Dividends and buybacks | $0.0M | $2.3B |
| Valuation & quality | ||
| P/E | 9.3x | 133.1x |
| Piotroski F-score | 6 | 5 |
Ten years
Revenue
Operating margin
Free cash flow
Return on capital
Each company's latest fiscal year; fiscal years end in different months. The best value in each row is highlighted where higher (or lower) is clearly better. Not investment advice.