Provider comparison
Relay vs Brex: Best Corporate Card & Cash Management Tool?
Compare Relay and Brex for US LLC banking, cash management, and card controls. Which option is best for your startup or small business?
Short verdict
Relay fits owner-operated LLC cash management. Brex fits higher-growth or funded startups with broader spend needs.
Side-by-side fit
R 
Relay
LLCs that want multiple checking accounts, cash buckets, and bookkeeping visibility.
- Availability
- US businesses, non-US founders subject to review
- Watchouts
- Useful for tax and operating cash buckets Pairs well with bookkeeping workflows
B 
Brex
Funded startups and higher-growth companies needing cards and spend controls.
- Availability
- US companies, approval depends on business profile
- Watchouts
- Can be strong for venture-style companies Less universal for small owner-operated LLCs
Decision rule
Pick the provider whose approval path, country support, product strengths, fees, and bookkeeping records match the way money will actually move through the business.