Mayfair vs Modern Treasury
Side-by-side from the Top 11 ranking of The 11 Best Treasury Management Platforms for Startups. Last verified June 3, 2026.
The short answer
Mayfair ranks higher on Top 11 (#10 vs #11) for Startup CFOs and founders parking and managing runway. A managed treasury service for startups wanting an expert-led, hands-off approach to cash management.
At a glance
| Mayfair | Modern Treasury | |
|---|---|---|
| Top 11 rank | #10 / The 11 Best Treasury Management Platforms for Startups | #11 / The 11 Best Treasury Management Platforms for Startups |
| Score (out of 9.4) | 7.6 | 7.3 |
| Best for | Managed treasury service | Payment operations API |
| Pricing | Basis Points (AUM-based) | $$$$ (Custom enterprise pricing) |
| HQ | New York, USA | San Francisco, USA |
| Founded | 2021 | 2018 |
Mayfair
A managed treasury service for startups wanting an expert-led, hands-off approach to cash management.
www.getmayfair.comSee full entry in The 11 Best Treasury Management Platforms for Startups
Modern Treasury
An API-first platform for building custom, multi-bank payment operations and treasury systems, not for direct investing.
www.moderntreasury.comSee full entry in The 11 Best Treasury Management Platforms for Startups
Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.