Brex vs Mayfair
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
Brex ranks higher on Top 11 (#5 vs #10) for Startup CFOs and founders parking and managing runway. A convenient treasury option for companies already using Brex for cards and expense management.
At a glance
| Brex | Mayfair | |
|---|---|---|
| Top 11 rank | #5 / The 11 Best Treasury Management Platforms for Startups | #10 / The 11 Best Treasury Management Platforms for Startups |
| Score (out of 9.4) | 8.4 | 7.6 |
| Best for | Existing Brex customers | Managed treasury service |
| Pricing | Free platform, yield-based fees | Basis Points (AUM-based) |
| HQ | San Francisco, USA | New York, USA |
| Founded | 2017 | 2021 |
Brex
A convenient treasury option for companies already using Brex for cards and expense management.
brex.comSee full entry in The 11 Best Treasury Management Platforms for Startups
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
Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.