Digital Banking
Monzo
9.2*/10 · ToolMoneyLab score
The UK's flagship challenger bank. Fully licensed, FSCS protected, best-in-class app.
Digital Banking
vs
Mercury vs Revolut Business: Which Should You Use?
A practical comparison of features, pricing, ease of use, best use cases and value for money.
Quick verdict
Best overall
Depends on geography
Best for beginners
Revolut Business
Best value
Mercury (US) / Revolut Business (global)
Best for professionals
Mercury
Best free option
Both offer free base tiers
Final recommendation
Mercury for US-incorporated startups; Revolut Business for globally-operating SMBs that need multi-currency and spend management.
Side-by-side
Mercury vs Revolut Business at a glance
| Criteria | Mercury | Revolut Business |
|---|---|---|
| Primary market | US-incorporated entities only | 30+ countries across EU, UK and select global markets |
| Currencies supported | USD only | 25+ currencies with local receiving details on paid plans |
| Onboarding | Founder-friendly — accepts Delaware C-corp, LLC, S-corp | Self-serve across supported markets |
| Free tier | Free business checking, no monthly fee | Free Basic plan; paid plans add higher FX allowance |
| Deposit insurance | FDIC up to $5M via sweep networks | EU deposit guarantee (EU); EMI / partner-bank model in UK / US |
| Treasury / yield | Mercury Treasury — money-market yields on idle cash | Basic savings; treasury features shallower than Mercury |
| API access | First-class API for reconciliation and automation | API available; less mature than Mercury's |
| Expense management | Virtual/physical cards, basic controls, IO integrations | Full spend management — budgets, approvals, expense capture |
| International payments | USD wires; international via partners | Native multi-currency at interbank rate inside FX allowance |
| Best for | US-incorporated startups and SaaS companies | Global SMBs and agencies operating across borders |
| CTA | Try Mercury → | Try Revolut Business → |
Choose Mercury if…
Choose Mercury if you're a US-incorporated startup that wants no-fee banking, real yield on idle cash, first-class API access and founder-friendly onboarding.
Choose Revolut Business if…
Choose Revolut Business if you operate across currencies, need expense cards and spend management for a team, or are based outside the US where Mercury doesn't operate.
Feature-by-feature breakdown
The details that matter
| Feature | Mercury | Revolut Business |
|---|---|---|
| Onboarding | US LLC / Delaware C-corp / S-corp — self-serve, no ownership caps | Self-serve in 30+ supported markets; onboarding docs vary by geography |
| Yield on cash | Mercury Treasury — money-market yields with FDIC via sweep networks | Basic savings; interest rates lower than dedicated treasury tools |
| Multi-currency | USD only; international via wire | 25+ currencies with local details on paid plans |
| Team spend controls | Virtual/physical cards, category rules, integrations with Ramp/Brex-style tools | Native budgets, approvals, expense capture, per-team cards |
| API and automation | First-class API — the reason many technical founders pick Mercury | API available; typically used for reconciliation rather than full automation |
Pricing comparison
What you'll actually pay
Mercury's core business checking is free with no monthly fee; Mercury IO (bill pay, expense controls) is paid. Revolut Business offers a free Basic plan plus paid Grow/Scale/Enterprise tiers that expand the FX allowance and add team controls. Always check current plan pricing before committing.
Pricing changes frequently, so always check the official website before subscribing.
Pros and cons
What we liked and didn't
Mercury — Pros
- Free business checking with real interest via Mercury Treasury
- FDIC insurance up to $5M via sweep networks
- First-class API for reconciliation and automation
- Founder-friendly onboarding (accepts Delaware C-corp / LLC out of the box)
Mercury — Cons
- US-incorporated entities only
- USD-only — not a multi-currency account
- No in-person branch or cash-handling support
Revolut Business — Pros
- Hold 25+ currencies with real interbank FX inside allowance
- Expense cards, budgets and approvals for whole teams
- Full EU banking licence with deposit protection in the EU
- Available in 30+ countries
Revolut Business — Cons
- FX free allowance is capped; markup above allowance and on weekends
- Support quality varies by plan tier
- US and UK operate under EMI or partner-bank models depending on region
Final verdict
The bottom line
Choose Mercury if…
Choose Mercury if you're a US-incorporated startup — the fee structure, API and treasury tooling are purpose-built for you.
Choose Revolut Business if…
Choose Revolut Business if you're global, multi-currency, or need real team spend management inside your primary account.
The Tool Money Lab Verdict
Our editorial call on Mercury vs Revolut Business
After spending real time with both Mercury and Revolut Business, our editorial view is that these tools solve overlapping problems in very different ways. Mercury is built for us-incorporated startups, vc-backed teams and software companies., while Revolut Business is aimed at smbs, agencies and remote-first teams operating across europe, uk and beyond.. Neither is objectively "better" — the right answer depends on the work you actually do, not on which product has the flashier launch video.
Mercury takes the edge on our internal scorecard (92/100 vs 88/100), but that headline number hides the nuance. Mercury tends to win on free business checking with real interest via mercury treasury, while Revolut Business pulls ahead on hold 25+ currencies with real interbank fx inside allowance. If your workflow leans heavily into either of those, the "winner" for you changes.
Our recommendation is to pick the tool that matches the way you already work, rather than the one with the broader marketing footprint. The gap between them is not large enough to justify fighting your own habits — but it is large enough that the wrong choice will cost you time every day for months.
We recommend Mercury to…
- US-incorporated startups
- VC-backed teams
- software companies
We recommend Revolut Business to…
- SMBs
- agencies
- remote-first teams operating across Europe
- UK
Where Mercury clearly wins
- Free business checking with real interest via Mercury Treasury
- FDIC insurance up to $5M via sweep networks
- First-class API for reconciliation and automation
Where Revolut Business clearly wins
- Hold 25+ currencies with real interbank FX inside allowance
- Expense cards, budgets and approvals for whole teams
- Full EU banking licence with deposit protection in the EU
Trade-offs to know
- Mercury: US-incorporated entities only
- Revolut Business: FX free allowance is capped; markup above allowance and on weekends
Value for money
On pure value, Mercury currently offers the stronger price-to-capability ratio for its target audience, but Revolut Business remains the better spend when its speciality is the deciding factor.
Overall recommendation
Most readers should start with Mercury for us-incorporated startups, vc-backed teams and software companies., and consider Revolut Business when smbs, agencies and remote-first teams operating across europe, uk and beyond. is the dominant use case.
Why we made this recommendation
How The Tool Money Lab evaluates every comparison
Every comparison published by The Tool Money Lab is written by editors who use these products in day-to-day work. We weigh the factors below against the reader profile the comparison is aimed at, and we call out situations where the affiliate-linked product is NOT the right choice. Where we have used a product extensively ourselves — Lovable is the clearest example, since this site is built with it — we disclose that in the review. Where a recommendation includes affiliate links, we may earn a commission when you sign up, at no additional cost to you. Affiliate relationships never change the editorial conclusion: if the paid product is worse for you, we say so.
Features
Ease of use
Performance
Reliability
Security
Privacy
Value for money
Business suitability
Ecosystem
Customer support
Long-term usability
Commercial model
Real-world testing where applicable
Independent research
Disclosure: pages on The Tool Money Lab may contain affiliate links. We may earn a commission when you sign up through them, at no additional cost to you. Affiliate relationships never change our editorial conclusion — if a paid product is the wrong choice for you, we say so.
Try them yourself
Digital Banking
Mercury
Startup-first banking with API access and treasury built in.
Best for: US-incorporated startups, VC-backed teams and software companies.
Digital Banking
Revolut Business
Global multi-currency business account with cards, FX and spend management.
Best for: SMBs, agencies and remote-first teams operating across Europe, UK and beyond.
Disclosure: We may earn a commission if you sign up through links on this page, at no additional cost to you. Our comparisons remain independent and based on practical testing.
Frequently asked
Mercury vs Revolut Business FAQ
Can I use Mercury outside the US?+
No. Mercury requires a US-registered legal entity (Delaware C-corp, LLC, S-corp). Founders based abroad can still use Mercury if they've incorporated in the US. Revolut Business is the answer if incorporation stays local.
Is Mercury a bank?+
Mercury itself is a fintech, not a chartered bank. It partners with FDIC-insured banks (Choice Financial Group and Column N.A.) and offers extended FDIC coverage up to $5M via sweep networks. Revolut holds a full banking licence in the EU and operates as an EMI or partner-bank elsewhere.
Which has better international payments?+
Revolut Business, clearly. Native multi-currency accounts, local receiving details on paid plans, and interbank FX rates inside the free allowance. Mercury is USD-only.
Which is better for team expense management?+
Revolut Business ships native budgets, approvals and expense capture. Mercury handles cards well but most Mercury-first teams pair it with a dedicated spend tool (Ramp, Brex) for deeper controls.
Can I use both?+
Yes — a common pattern for US startups with international operations is Mercury as the treasury and USD operating account, plus Revolut Business (or Wise Business) as the multi-currency layer for paying international contractors and receiving foreign revenue.
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