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№02 · HEAD-TO-HEAD · Edition №08 · Updated 11 March 2026

Brex vs Mercury.

Brex (B70/100) and Mercury (M70/100), scored on the same six pillars and compared row-by-row. Every cell is sourced from licence registers and live pricing pages, not opinion. Mercury leads Brex 3-1.

Quick verdict Mercury 3–1
Score 01 of 1
Fees 10 of 4
Protection 00 of 2
Reach 00 of 3
UX 02 of 2
Brex Mercury
Banks compared 2 banks · 12 dimensions
B Brex 70/100 M Mercury 70/100 + Add a third bank
Tally · who wins more rows12 dimensions compared
BBrex
15 tie · 6 loss
MMercury
35 tie · 4 loss
Winner: Mercury Closest gap: 2rowsEdition №08
B
Brex №31 · FDIC 70 /100
M
Mercury №29 · FDIC 70 /100
Score
Composite score Out of 100 70 /100 71 /100
Fees
Monthly fee Cheapest paid tier (€0 if free) €0 Free tier €0 Free tier
FX markup Debit card abroad Interbank 1.00%
Free FX / month EUR equivalent €0 €0
Free ATM Before fee kicks in
Protection
Banking licence Tier Partner-bank FDIC Partner-bank FDIC
Deposit guarantee Per depositor $250,000 US.FDIC $250,000 US.FDIC
Reach
Markets served Licensed jurisdictions 1 country 1 country
Crypto Coins available No No
Stocks & ETFs Self-directed Yes Yes
UX
Trustpilot Customer score 4.4 ★ 1k reviews
App store iOS + Android avg 4.5 ★ iOS 4.6 · And 4.4 4.6 ★ iOS 4.7 · And 4.5
Read review Read review

Pick Brex if…

Brex №31

SMB-business neobank built around corporate cards + spend management. Brex Cash uses partner-bank sweep (Choice Financial + Lead Bank + Citi) for FDIC pass-through up to $6M+. Y Combinator alumni; ~$12B valuation. The default for VC-backed US startups.

Pick Mercury if…

Mercury №29

Pick if you run a US LLC or C-Corp and want $5M sweep FDIC coverage. Personal accounts not supported.

Best at a glance Axis-by-axis winner — ties skipped.
  • Best for fees Brex won 1 of 4
  • Best for protection Tied
  • Best for reach Tied
  • Best for ux Mercury won 2 of 2
Frequently asked

Brex vs Mercury — FAQ

Quick answers to the four questions the search-bar asks most about a head-to-head.

Is Brex better than Mercury?

Under our v3 methodology, Mercury leads Brex 3–1 across 12 dimensions. Composite scores: Brex 70/100 vs Mercury 70/100. Mercury is stronger overall, but the right pick depends on which row matters most to you — fees, protection, reach, or app quality.

Is Brex or Mercury cheaper?

Monthly fee — Brex: €0; Mercury: €0. Card FX markup — Brex: Interbank; Mercury: 1.00%. Brex wins more fee rows (1 of 4). See the Fees section of the matrix above for ATM caps and the rest.

Which is safer for deposits, Brex or Mercury?

Brex holds a Partner-bank licence under FDIC; deposit guarantee per depositor: $250,000. Mercury holds a Partner-bank licence under FDIC; deposit guarantee per depositor: $250,000. Both score equally on regulatory protection rows.

Where can I use Brex and Mercury?

Brex operates in 1 country; Mercury operates in 1 country. Check each provider's signup page for the live country list — eligibility depends on residency, not just the licence footprint.

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