AI for fraud detection, anti-money laundering screening and transaction monitoring in financial services.
136 companies on usedby use at least one of the 7 tools in this category with a public customer. Unit21 leads with 40 companies. Then come Sardine (32) and Feedzai (21). 6 companies run two of these tools or more. The most common pair is Sardine with Unit21 (3 companies).Latest check Oct 8, 2026: 143 of 143 public lines checked. Counts are of companies on usedby, not of the whole market: we list a company when a public page shows its AI tools.
136
companies on usedby use a tool of this category
Companies per tool. A company using two tools counts for both.
Counts include job-post signals, drawn apart on each tool page.
Companies with a public line for each tool. Job-post signals count and are drawn apart in the proof bar.
| # | Tool | Customers | Proof |
|---|---|---|---|
| 1 |  Unit21 | 40 | |
| 2 |  Sardine | 32 | |
| 3 |  Feedzai | 21 | |
| 4 |  ComplyAdvantage | 19 | |
| 5 |  Bretton AI (formerly Greenlite) | 14 | |
| 6 |  Quantexa | 11 | |
| 7 |  Hawk | 6 |
6 companies run two of these tools or more. The most common pair is Sardine with Unit21, at 3 companies.
Unit2140 customersUnit21 is used by 40 companies on usedby, 21 confirmed by a case study, a named quote or a press release. Named customers include Intuit, Rippling, and Brex. Who uses Unit21, Sardine vs Unit21
Customer page: unit21.ai. Latest check of 40 of 40 lines: Oct 7, 2026.
Sardine32 customersSardine is used by 32 companies on usedby, 9 confirmed by a case study, a named quote or a press release. Named customers include Intuit, Experian, and GoDaddy. Who uses Sardine, Sardine vs Unit21
Customer page: sardine.ai. Latest check of 32 of 32 lines: Oct 8, 2026.
Feedzai21 customersFeedzai is used by 21 companies on usedby, 14 confirmed by a case study, a named quote or a press release. Named customers include Mastercard, Banco BV, and BigPay. Who uses Feedzai, Feedzai vs Unit21
Customer page: feedzai.com. Latest check of 21 of 21 lines: Oct 7, 2026.
ComplyAdvantage19 customersComplyAdvantage is used by 19 companies on usedby, 14 confirmed by a case study, a named quote or a press release. Named customers include Allianz, Qonto, and DailyPay. Who uses ComplyAdvantage, ComplyAdvantage vs Unit21
Customer page: complyadvantage.com. Latest check of 19 of 19 lines: Oct 7, 2026.
Companies first listed by a tool of this category in the last 90 days.
Side-by-side pages with the companies behind each tool.
Answers drawn from usedby data.
Unit21, used by 40 of the 136 companies on usedby in this category. Then come Sardine (32) and Feedzai (21). Who uses Unit21.
Unit21: 40 companies on usedby, against 32 for Sardine. 3 companies use both, counting confirmed and observed lines only.
Yes: 6 of the 136 companies on usedby in this category run two or more. The most common pair is Sardine with Unit21 (3 companies).
By the number of companies with a public line for each tool, read from dated captures of vendor customer pages, case studies, press releases and job posts. Job-post signals count in the totals and are shown apart. usedby lists a company when a public page shows it, so these counts describe the companies on usedby, not the whole market.