Unit2140 customers
Used by 40 companies on usedby. 3 also use Sardine. Compare Sardine and Unit21
Source: unit21.ai, latest capture Oct 7, 2026.
4 of the 32 Sardine customers on usedby also use another tool on this list. The tools most often used by the same companies are Unit21 (3 shared, 40 customers in all) and Bretton AI (formerly Greenlite) (2 shared, 14 customers in all).Latest check Oct 8, 2026: 143 of 143 public lines checked. Customer counts include every proof level, job-post signals included. Shared customers are counted on confirmed or observed lines on both tools.
4of 32
Sardine customers also use another tool on this list
Unit21 shares the most companies with Sardine: 3 companies use both.
Ranked by shared customers
Tools of the same or a competing category, from another vendor, used by at least one company that also uses Sardine. A shared customer has a confirmed or observed line on both tools.
| # | Alternative | Shared with Sardine | Customers | Compare |
|---|---|---|---|---|
| 1 | Unit21 | 3 | 40 | Compare Sardine vs Unit21 |
| 2 |  Bretton AI (formerly Greenlite) | 2 | 14 | Compare Sardine vs Bretton AI (formerly Greenlite) |
Bretton AI (formerly Greenlite)14 customers
Used by 14 companies on usedby. 2 also use Sardine. Compare Sardine and Bretton AI (formerly Greenlite)
Source: bretton.com, latest capture Oct 7, 2026.
Other Fraud & AML tools on usedby
Same category, with public customers, but no company named with Sardine yet.
Feedzai21 customers
ComplyAdvantage19 customers
Quantexa11 customers
Hawk6 customers
Switch signals
A company that left one vendor's page and appeared on another's.
No switch publishedA switch needs a departure from one vendor's page, seen on two checks in a row, and a dated arrival on another. usedby does not publish departures yet, so no switch shows here.
By industry
Which of these tools the companies on usedby use, by industry. Each row counts the companies of that industry on usedby that use at least one of these tools.
| Industry | Most used | Next | Companies |
|---|---|---|---|
| Fintech & Payments |  Sardine40% | Unit2120% | 15 companies |
Read the first row as: among the 15 Fintech & Payments companies on usedby that use one of these tools, 40% use Sardine. Shares can add up to more than 100% because some companies use two tools.
Questions about Sardine alternatives
Which tool shares the most customers with Sardine?
Unit21: 3 companies use both on usedby. Unit21 has 40 customers in all. See who uses Unit21.
Do Sardine customers use other tools too?
4 of the 32 Sardine customers on usedby also use another tool on this list. Unit21 shares the most: 3.
Which of Sardine and its alternatives do Fintech & Payments companies on usedby use?
Among the 15 Fintech & Payments companies on usedby that use one of these tools, 40% use Sardine. Unit21 comes next, with 20%.
How does usedby rank Sardine alternatives?
Only tools of the same or a competing category, from another vendor, count. They are ranked by shared customers: companies with a confirmed or observed line on both tools, from public pages, most with a dated capture. Tools with no shared customer are listed apart. Customer counts include every proof level, job-post signals included.