ACI Worldwide vs Bill
ACI Worldwide reported revenue of $1.8 billion in fiscal 2025, about the same as Bill's $1.7 billion in fiscal 2026. ACI Worldwide's revenue grew 10.4% in its latest year, and Bill's grew 13.0%. ACI Worldwide had an operating margin of 18.8%, against -4.4% at Bill. Free cash flow was $310 million at ACI Worldwide and $412 million at Bill. Their fiscal years end in different months (December 31 and June 30), so the periods don't line up exactly.
Side by side
| ACI Worldwide | Bill | |
|---|---|---|
| Latest fiscal year | FY2025, Dec 31, 2025 | FY2026, Jun 30, 2026 |
| Revenue | $1.8B | $1.7B |
| Revenue growth | 10.4% | 13.0% |
| Revenue growth a year, last 5 years | 6.3% | 47.3% |
| Gross margin | 49.0% | 80.9% |
| Operating margin | 18.8% | −4.4% |
| Net margin | 12.9% | −0.7% |
| Free cash flow | $310M | $412M |
| Free cash flow margin | 17.6% | 24.9% |
| Return on capital | 11.4% | −1.7% |
| Net debt to EBITDA | 1.5x | — |
| Dividends and buybacks | $203M | $560M |
| Change in diluted share count | −1.6% | −3.8% |
| Last close | $60.02 | $52.41 |
| P/E at the last close | 37.0× | 100.8× |
| Insider trades, last 12 months | bought $223,500, sold $200,775 | sold $15.9 million |
| Piotroski F-score | 7 of 9 | 4 of 9 |
Amounts in each company's own currency, US$ unless marked (a foreign company may report in another), each company's latest fiscal year from its 10-K, or 20-F or 40-F for a foreign company. Growth rates compare with the year before; the five-year rate is the average a year. Free cash flow is cash from operations minus capital spending; return on capital is after-tax operating income over the money invested in the business; P/E is the last close over the latest earnings per share. Banks are measured differently (return on equity, efficiency ratio), so some rows apply to one company only.
Ten years
Revenue
US$ billions, fiscal years
ACI WorldwideBill
Operating margin
Percent of revenue
ACI WorldwideBill
Free cash flow
US$ billions. Cash from operations minus capital expenditure.
ACI WorldwideBill
Source: the companies' Form 10-K filings, from SEC EDGAR, and the last close. For information only, not investment advice: the figures describe results, not which company is the better investment. The Filing Desk is not affiliated with either company. Full figures on the ACI Worldwide and Bill pages.