Business Banking · reliability comparison
Brex vs Mercury: which is more reliable? (2026)
Mercury is more reliable than Brex, scoring 56.6 vs 40.0 out of 100. Over the last 90 days Brex reported 9 incidents and Mercury reported 5, with effective uptime of 97.69% and 99.23% respectively. Brex resolves incidents faster on average (10h 9m).
Data updated Nov 2, 2026 · How we score
| Metric | Brex | Mercury |
|---|---|---|
| Reliability score | 40.0 | 56.6 |
| Rank (business banking providers) | #6 | #4 |
| Uptime (90 days) | 97.69% | 99.23% |
| Incidents (90 days) | 9 | 5 |
| Partial / major outages | 9 | 0 |
| Avg time to resolve | 10h 9m | 19h |
| Outages we detected | 0 | 0 |
| Transparency score | 100/100 | 100/100 |
Where Brex and Mercury differ
- Brex reported 80% more incidents than Mercury over the last 90 days (9 vs 5).
- Brex had 9 partial or major outages, compared with 0 for Mercury.
- Brex fixes problems faster: 10h 9m on average, against 19h for Mercury.
- Brex's longest outage on record lasted 3d (Oct 20, 2026); Mercury's lasted 3d (Oct 7, 2026).
90-day uptime
Brex
Mercury
- No incidents
- Degraded
- Partial outage
- Major outage
- No data
Recent Brex incidents
- Partial outageOct 20, 2026 · resolved in 10d
- Major outageOct 2, 2026 · resolved in <1m
- Major outageSep 30, 2026 · resolved in 34m
Admin home page load error spikeofficial update ↗
Affected: Home Page
- Partial outageSep 21, 2026 · resolved in <1m
Unexpected invalidation of some Developer API Tokens
Affected: Partner API, Authentication
- Partial outageSep 15, 2026 · resolved in 3h 8m
Transaction statuses on your Accounting pages may be out of date, causing some transactions to appear in the wrong tab.official update ↗
Affected: Spend Management
- Partial outageSep 1, 2026 · resolved in 8h 8m
Trust Portal (trust-portal.brex.com) is downofficial update ↗
Recent Mercury incidents
- InformationalOct 27, 2026 · resolved in <1m
- MaintenanceOct 16, 2026 · ongoing
Planned maintenance on October 18: Rescheduled
Affected: Account Access, Money Movement , Integrations & API
- Degraded performanceOct 7, 2026 · resolved in 6d 17h
Failed Investments Wire Transfers Out for Some Customers
Affected: Mercury Treasury
- Degraded performanceOct 2, 2026 · resolved in 1h 18m
Issues Revealing Card Details on Web and Mobile
Affected: Cards
- Degraded performanceSep 2, 2026 · resolved in 2h 5m
Account Actions Experiencing Delays
Affected: Check Deposits, Bill Pay & Invoicing, Integrations & API, Money Movement
- Degraded performanceSep 1, 2026 · resolved in 38m
Intermittent Inbound & Outbound Call Disruption
Affected: Support
Other business banking providers to consider
- Monzo Business · #1 · 100% uptime
- Tide · #2 · 100% uptime
- Rho · #3 · 99.96% uptime
- Airwallex · #5 · 98.43% uptime
See the full most reliable business banking providers ranking →