ACI Worldwide vs FIS
ACI Worldwide vs FIS, compared side by side on 13 data points: what each one does, how big it is, what it has raised, the tech running each site, and what users report. We score both out of 100 on traction, team and visibility: ACI Worldwide is on 25/100 and FIS on 69/100.
Where each one leads
ACI Worldwide
Leads on none of the measures we hold for both companies.
FIS
- our overall score: 69/100 against 25/100
- agent readiness: 47/100 against 41/100
At a glance
| Measure | ACI Worldwide | FIS |
|---|---|---|
| What it is | Global leader in real-time payment solutions for banks and merchants. | Global leader in financial technology providing solutions for payments, banking, and capital markets. |
| Category | Fintech, Payments, Digital Payments, Real-time Payments | Fintech, Payments, Banking Technology, Capital Markets |
| Sells toBusiness model | B2B | B2B |
| Offering | Software | Software | services | platform |
| Founded | 1975 | 1968 |
| Headquarters | Miami, United States | Jacksonville, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | ACI Worldwide | FIS |
|---|---|---|
| Employees | 4,942 | Not published |
| Total funding | Not published | $11B |
| Latest round | Not published | Series 16 |
| Valuation | Not published | $33B |
| LinkedIn followers | 174,682 | Not published |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | ACI Worldwide | FIS |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 25/100 | 69/100 |
| Traction | 20/100 | 40/100 |
| Team | 10/100 | 70/100 |
| Community | Not published | 8/100 |
| Search visibility | 37/100 | 34/100 |
| Quality | Not published | 89/100 |
| Agent readinessHow well an AI agent can read and act on the site | D (41/100) | D (47/100) |
| Domain ratingLink authority, 0-100 | 77/100 | 83/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | ACI Worldwide | FIS |
|---|---|---|
| Hosting | Not detected | Azure |
| CDN | Cloudflare | Not detected |
| CMS | WordPress | Not detected |
| Frameworks | Jquery | Not detected |
| Analytics | Google Tag Manager | Not detected |
ACI Worldwide vs FIS: common questions
Which is better, ACI Worldwide or FIS?
On our 0-100 score FIS rates higher (69/100 against 25/100). The score weights traction, team, visibility and profile completeness, so it reflects company strength rather than which product suits you. We compare the two on 13 data points above: read the rows that match what you are buying for.
How do ACI Worldwide and FIS compare on the numbers?
FIS leads on our overall score (69/100 against 25/100), agent readiness (47/100 against 41/100).
Read the full ACI Worldwide review and pricing or the FIS review and pricing. You can also browse other ACI Worldwide alternatives we track.

