Mercury is consistently ranked as one of the best business bank accounts for freelancers, solopreneurs, and startups. After testing it extensively, here is our honest assessment of what makes it excellent — and where its limitations matter.
Mercury at a Glance
| Feature | Mercury |
|---|---|
| Monthly fee | $0 |
| Minimum balance | $0 |
| ACH transfers | Free, unlimited |
| Domestic wires | Free |
| International wires | $15 outgoing |
| FDIC insurance | Up to $5M (via partner banks) |
| Requires entity? | Yes (LLC, S-Corp, C-Corp) |
| Sole proprietors | Not accepted |
What Makes Mercury Different
Mercury was built specifically for modern businesses — startups, agencies, freelancers — not the mass-market consumer banking customer. This design-first approach shows in several ways.
No fees on normal banking: Mercury charges zero for things most banks charge $15–25/month for. No monthly maintenance fee, no minimum balance, free incoming and outgoing ACH, free domestic wires. For a freelancer banking $50k–$200k/year, this saves $180–$300/year compared to Chase Business.
Mercury Savings (formerly Treasury): Mercury offers a high-yield savings account option alongside your checking. Rates fluctuate with the market but are generally competitive (2-5% APY depending on market conditions). This is ideal for parking your quarterly tax reserve in a separate account earning yield.
Virtual cards: Create unlimited virtual Visa debit cards — one per subscription or vendor. Great for managing SaaS expenses and preventing any single card compromise from affecting all spending.
API access: Unique among freelancer bank accounts, Mercury offers a full API. Developers can automate invoice payments, sync transactions to custom tools, or build workflows. Most freelancers will not use this, but it is a meaningful differentiator.
Modern dashboard and mobile app: Clean, fast, well-designed. Bank statement reconciliation is straightforward. Transaction search and filtering work as expected. No clunky legacy bank UX.
Mercury's Key Limitation: No Sole Proprietors
This is the most important thing to know before applying: Mercury requires a formal business entity (LLC, C-Corp, S-Corp). You cannot open a Mercury account as a sole proprietor using your SSN.
If you are a freelancer who has not yet formed an LLC, your options are: - Relay — accepts sole proprietors, same free banking approach - Found — specifically built for sole proprietors and gig workers - Novo — sole proprietors accepted
Once you form an LLC ($100–$300 in most states), Mercury is our top recommendation.
Mercury Integrations
Mercury connects natively with: - Accounting: QuickBooks, Xero, Wave, FreshBooks - Payments: Stripe, Shopify, Amazon, eBay, Brex - Operations: Gusto (payroll), Ramp, Brex (corporate cards)
The QuickBooks/Xero integration works via a direct bank feed. Transactions sync automatically — no manual exports needed. For freelancers using either platform, this alone saves significant monthly reconciliation time.
Multi-Currency and International Payments
Mercury supports USD accounts only. For international wire transfers, Mercury charges $15 per outgoing international wire and uses standard SWIFT rates.
If you regularly receive payments in EUR, GBP, CAD, or other currencies, complement Mercury with Wise Business. Receive foreign currency payments into Wise local accounts, convert at mid-market rates, and transfer USD to Mercury.
Mercury vs Relay: Which Is Better for Freelancers?
Both are excellent free business bank accounts. The key differences:
| Mercury | Relay | |
|---|---|---|
| Monthly fee | Free | Free (Relay Pro: $30/mo) |
| Sole proprietors | No (LLC required) | Yes |
| Sub-accounts | 2 (checking + savings) | Up to 20 |
| Free wires | Domestic free | 50/month on Relay Pro |
| API access | Yes | No |
| Best for | LLCs, developer-friendly | Profit-first budgeting, sole props |
Choose Mercury if: You have an LLC, want API access, or are moving money frequently via domestic wires.
Choose Relay if: You are a sole proprietor, want multiple sub-accounts for profit-first budgeting, or do not have an LLC yet.
For a side-by-side comparison with scores, see our Relay vs Mercury comparison.
Opening a Mercury Account
The application takes 10–15 minutes. You will need: - EIN (free from IRS.gov — takes 10 minutes to get) - LLC formation documents (Articles of Organization) - Owner's government-issued ID - Business address (home address is fine)
Mercury typically approves applications within 1–2 business days. You receive a physical Visa debit card within 7–10 business days and can use virtual cards immediately.
Bottom Line
Mercury earns its reputation as the best free business bank account for freelancers and solopreneurs — if you have an LLC. The zero-fee structure, excellent integrations, and clean UX make it the obvious choice over traditional bank accounts.
The one deal-breaker: no sole proprietors. If you are not yet incorporated, start with Relay or Found, form your LLC when your income justifies it ($30k+), and then open Mercury.
Read our full Mercury review and scoring or see our best bank accounts for freelancers roundup.