C6 Bank vs Mercury.
C6 Bank (C71/100) 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 C6 Bank 3-1.
| C C6 Bank №30 · BACEN 71 /100 | M Mercury №32 · FDIC 70 /100 | |
|---|---|---|
| Score | ||
| Composite score Out of 100 | 71 /100 | 71 /100 |
| Fees | ||
| Monthly fee Cheapest paid tier (€0 if free) | €0 Free tier | €0 Free tier |
| FX markup Debit card abroad | 4.00% | 1.00% |
| Free FX / month EUR equivalent | €0 | €0 |
| Free ATM Before fee kicks in | — | — |
| Protection | ||
| Banking licence Tier | Full bank BACEN | Partner-bank FDIC |
| Deposit guarantee Per depositor | €250,000 BR.FGC | $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 | 2.9 ★ 1k reviews | 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 C6 Bank if…
Fastest-growing Brazilian neobank since 2018, ~30M customers. JP Morgan Chase invested in 2021 (40% stake) — adds international banking-as-a-service dimension via C6 Glob (USD account product). The Carbono tier (R$45/mo) is a structural mid-market premium positioned between free Nu Padrão and Itaú Personnalité.
Pick Mercury if…
Pick if you run a US LLC or C-Corp and want $5M sweep FDIC coverage. Personal accounts not supported.
- Best for fees Mercury won 1 of 4
- Best for protection C6 Bank won 1 of 2
- Best for reach Tied
- Best for ux Mercury won 2 of 2
C6 Bank vs Mercury — FAQ
Quick answers to the four questions the search-bar asks most about a head-to-head.
Is C6 Bank better than Mercury?
Under our v3 methodology, Mercury leads C6 Bank 3–1 across 12 dimensions. Composite scores: C6 Bank 71/100 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 C6 Bank or Mercury cheaper?
Monthly fee — C6 Bank: €0; Mercury: €0. Card FX markup — C6 Bank: 4.00%; Mercury: 1.00%. Mercury 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, C6 Bank or Mercury?
C6 Bank holds a Full bank licence under BACEN; deposit guarantee per depositor: €250,000. Mercury holds a Partner-bank licence under FDIC; deposit guarantee per depositor: $250,000. C6 Bank is the stronger pick on regulatory protection.
Where can I use C6 Bank and Mercury?
C6 Bank 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.
Want a 3- or 4-way comparison?
The dynamic compare picker handles up to four banks. Add this pair plus one or two more and we'll resolve every row.