Mercury
Worth it
Confidence: Medium
A strong free business-banking pick for US-based startups and small teams that bank fully online.
Comparison
Mercury vs Relay (Relayfi)
Mercury lands on Worth it, and Relay (Relayfi) lands on Depends.
Relay (Relayfi)
Depends
Confidence: Medium
Good fit for small businesses that want free, multi-account cash-flow organization and use Profit First.
| Compare | Mercury | Relay (Relayfi) |
|---|---|---|
| Verdict | Worth it | Depends |
| Best for | US-based startups | Profit First users |
| Who it's not for | Companies without a US entity | Businesses that can't tolerate frozen funds or holds |
| Privacy | No known public vulnerabilities found in the sources reviewed.11 | No confirmed breaches or CVEs found; fintech (not a chartered bank) with SSL-secured app, plus unverified user reports of card compromise. |
| Support quality | G2 praise vs Reddit complaints; mixed | Reddit reports zero compliance contact, slow everything |
| Public sentiment | Reviews are mostly positive on ease of use and design, with a vocal minority on Reddit complaining about account issues. | Polarized: Trustpilot reviewers praise support while multiple Reddit threads warn about slow service, frozen funds, and unreachable compliance. |
| Biggest gotcha | Reddit users warn of account issues . keep a backup bank relationship⁶ | Compliance reviews can freeze funds with no contact channel, per user reports16 |
Pick Mercury when
- US-based startups
- Remote-first small teams
- Founders sending global payments
- Budget-conscious small businesses
When Mercury is not a fit
- Companies without a US entity
- Businesses needing branch or cash-deposit services
- Teams wanting guaranteed hand-holding support
- Guess: cash-heavy retailers with frequent deposits
Pick Relay (Relayfi) when
- Profit First users
- Small service businesses
- Teams needing multiple no-fee checking accounts
- Bookkeepers managing client cash
When Relay (Relayfi) is not a fit
- Businesses that can't tolerate frozen funds or holds
- Anyone needing fast transfers or responsive compliance
- Founders wanting a real chartered bank relationship
- High-volume merchants sensitive to card processing fees
Sources
- Mercury . official sitemercury.comofficial
review
- Mercury Business Account: 2026 Review . NerdWalletnerdwallet.comreview
- Mercury Bank Review 2026 . Forbesforbes.comreview
- Mercury Reviews . Trustpilottrustpilot.comreview
review
review
review
news
- Mercury Product Security pagemercury.comsecurity
- Relay Plans & Pricingrelayfi.comofficial
official
- Avoid RelayFi (Relay Financial)reddit.comreview