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Short answer: For most non-US founders, Mercury is the best business bank account for a US LLC in 2026. It opens remotely with no SSN — just your EIN, Articles of Organization, operating agreement, and passport — and gives you a full US routing and account number that works with Stripe, PayPal, ACH, and wires. Wise Business is the best runner-up for multi-currency founders (local account details in 10+ countries), and Relay is a strong option only if you have an SSN or ITIN.
The rest of this guide goes deep: exact onboarding requirements, a side-by-side fee and feature comparison, the documents you need, the rejection reasons that trip up foreign founders, and how each account works with Stripe and PayPal — verified against the providers’ published information as of October 2026.
Table of Contents
- Side-by-Side Comparison Table
- How We Compared (Methodology)
- Mercury: Best for Most Non-US Founders
- Wise Business: Best for Multi-Currency Founders
- Relay: Best for Budget-Conscious US-Based Owners
- What You Need Before You Apply
- Common Rejection Reasons (and How to Avoid Them)
- Stripe, PayPal, and Platform Payouts
- Tax Notes for Foreign-Owned LLCs
- Frequently Asked Questions
- Sources
- Conclusion
Side-by-Side Comparison Table
| Feature | Mercury | Wise Business | Relay |
|---|---|---|---|
| Company type | Fintech; partner banks Members FDIC (Choice, Column N.A., Evolve) | Licensed money transmitter; not a bank | Fintech; banking by Thread Bank, Member FDIC |
| SSN required for non-resident owners? | No — EIN + passport works | No — passport + EIN works | Effectively yes — owner needs an SSN or ITIN (confirm with Relay support) |
| EIN required | Yes | Yes | Yes |
| Monthly fee / setup | $0 / $0 | $0 / ~$31 one-time for US account details (check current pricing) | $0 on Starter / $0 (Relay Pro $30/month — check current pricing) |
| Sending money | Free domestic + USD international wires; ~1% FX on 40+ currencies (check current pricing) | ~0.48–0.57% at mid-market rate, depending on currency (check current pricing) | ~$5 domestic wires, ~$10 international wires; free ACH (check current pricing) |
| Receiving USD wires/Swift | Free | ~$6.11 for USD wire/Swift receipts (check current pricing) | Free incoming wires |
| Multi-currency | 40+ currencies with FX conversion | Local account details in the US, UK, EU, Australia, Canada, Singapore and more | Primarily USD-focused |
| FDIC insurance | Yes — via partner banks (up to $250K per depositor per institution; up to $5M via sweep network, eligibility-based) | No on standard balances — funds are safeguarded in segregated accounts, not FDIC-insured. Pass-through FDIC only via the Interest feature, which most non-residents cannot access | Yes — via Thread Bank (up to $3M via sweep, per Relay) |
| Cards | Virtual + physical debit cards | Business debit card, no foreign transaction fees | Up to 50 debit cards; free Allpoint/Green Dot ATM access |
| Sub-accounts | Multiple checking and savings accounts | Currency balances in one account | Up to 20 checking + 2 savings accounts on Starter |
| Works with Stripe/PayPal | Yes | Yes (ACH) | Yes |
| Best for | Most non-US founders | Multi-currency businesses | Founders with SSN/ITIN wanting budgeting sub-accounts |
Figures as of October 2026 — verify on each provider’s official pricing page before opening an account.
How We Compared (Methodology)
This comparison was built from the providers’ official pricing, feature, and eligibility pages plus recent 2026 founder-focused comparisons, reviewed in October 2026. We weighted non-resident onboarding highest — can a foreign founder with no SSN, no US address, and no US visit actually get approved? — then fees, FDIC structure, multi-currency capability, and Stripe/PayPal compatibility. Unverifiable figures are flagged “check current pricing.” Onboarding outcomes vary by country and business type, so treat the rejection section as risk reduction, not a guarantee.
Mercury: Best for Most Non-US Founders
What Mercury is
Mercury is a San Francisco fintech founded in 2017 serving 200,000+ businesses. It is not a bank — deposits are held at its partner banks (Choice Financial Group, Column N.A., and Evolve Bank & Trust, all FDIC members), with up to $5 million in FDIC insurance through their sweep network based on eligibility (standard baseline: $250,000 per depositor per institution).
Non-resident onboarding
Mercury is the default recommendation for foreign founders because its onboarding was designed with them in mind: no SSN required (EIN + foreign passport works), no US visit, and a fully online application. Documents typically required: EIN confirmation letter, Articles of Organization, an operating agreement, and a valid passport. Some founders are also asked for proof of their home-country address and a US business address for the company. Mercury also reviews your business website — a professional site explaining your product, how you make money, and where you operate materially improves approval odds.
Fees and features
- No monthly fees on the standard plan, no minimum balance; free domestic wires and free USD international wires; FX conversion costs roughly 1% on 40+ currencies (check current pricing).
- Virtual and physical debit cards, ACH payments, checks, and integrations with Stripe, QuickBooks, and Xero.
- Mercury Treasury lets eligible businesses earn yield on idle cash — this yield product is separate from FDIC-insured deposits and is not itself FDIC-insured. Check current rates on Mercury’s official page.
Downsides
- No cash deposits — Mercury is online-only. Approval is not automatic: a vague business model, missing website, or incomplete documents leads to rejection (see below). Restricted countries: Mercury maintains a long prohibited-country list based on founder residence — check its official list if you live in a sanctioned or high-risk country.
Wise Business: Best for Multi-Currency Founders
What Wise Business is
Wise (formerly TransferWise) is a UK-founded fintech operating in the US as a licensed money transmitter. Wise is not a bank, and that matters for deposit protection: standard Wise balances are not FDIC-insured. Funds are safeguarded in segregated accounts, but FDIC deposit insurance does not apply. FDIC pass-through is available only via the Interest feature, which requires a US-based profile and residence outside New York and Alaska — conditions most non-resident founders do not meet.
Non-resident onboarding
- No SSN required. Wise asks for an EIN, formation documents, and owner identity — non-US owners verify with a passport and proof of address (owners with 25%+ ownership must be identified).
- The country list is narrower than for personal accounts. Always check Wise’s current business eligibility list for your country of residence — and note that Wise currently excludes US businesses registered in Nevada and US territories.
- One-time setup fee of around $31 for US account details; no monthly fees afterward (check current pricing).
Fees and features
- Transfers from ~0.48–0.57% at the real mid-market rate depending on currency (check current pricing); ~$6.11 to receive USD wire or Swift payments; local account details in the US, UK, EU, Australia, Canada, Singapore and more; business debit card with no foreign transaction fees.
- Limitations: Wise cannot always receive Fedwire transfers, offers no lending or check deposits, and some platforms may not accept it as a “US bank account” — the common founder setup for full coverage is Mercury + Wise together.
Downsides
- Not FDIC-insured in the standard setup; not a full bank account for every use case (no Fedwire, no credit, no checks).
- One-time setup fee and per-transfer FX fees add up if most of your money never leaves USD.
Relay: Best for Budget-Conscious US-Based Owners
What Relay is
Relay is an online business banking platform that is not a bank — banking services are provided by Thread Bank, Member FDIC, with up to $3 million in FDIC coverage via its sweep program. Its pitch is money management: up to 20 checking and 2 savings accounts on the free Starter plan for separating tax reserves, payroll, and operating cash.
Non-resident onboarding — the catch
Relay is where most non-US founder guides get quietly misleading. Relay requires each 25%+ owner to provide identifying information — government photo ID plus an SSN or ITIN. Multiple 2026 comparisons confirm that non-resident owners without an SSN or ITIN face a practical barrier to opening a Relay account. If you are planning to get an ITIN as a non-resident, Relay becomes realistic — but until you have one, Mercury or Wise is the honest recommendation. Relay also maintains its own restricted-country list on top of OFAC sanctions — check relayfi.com for the current list.
Fees and features
- Starter plan: $0 monthly, no minimum balances or overdraft fees; free ACH and check payments, free incoming wires; outgoing wires roughly $5 domestic and $10 international (check current pricing).
- Up to 50 debit cards and free Allpoint/Green Dot ATM withdrawals.
- Relay Pro ($30/month) adds same-day ACH, unlimited wires, and payment approvals — check current pricing before upgrading.
Downsides
- The SSN/ITIN barrier rules it out for most non-US founders without a US tax ID. USD-focused and weak on multi-currency. No cash deposits or branches.
What You Need Before You Apply
Every provider in this comparison requires the same core stack. Get these in order before you touch a banking application:
- A formed US LLC. Banking requires the legal entity to exist first. If you have not formed yours yet, form your LLC for $100 + state fee with our recommended formation service (Registered Agents Inc: the $100 bundle includes state filing, domain name, website, and one year of free registered agent service).
- EIN confirmation letter (CP 575 or 147C). Non-residents apply using Form SS-4 by fax or phone — see how to get an EIN as a foreigner. The name on the letter must match your Articles of Organization exactly.
- Articles of Organization (or equivalent) from your formation state.
- Operating agreement. Single-member LLCs should have one — banks ask for it, and it is good practice regardless.
- Valid passport (government-issued photo ID) for each beneficial owner.
- Business address and phone number. Never list your registered agent’s address as your personal address — use an honest business mailing address and your real home-country address for yourself. Misrepresentation triggers permanent rejection.
- A real website that explains what the business does, how it makes money, and where it operates — plus a clear contact section. Mercury in particular reviews your online presence during compliance.
The EIN is the bottleneck: if your EIN application takes weeks, the banking application waits. Form the LLC and file for the EIN first, then apply for banking — that is the sequence that works.
Common Rejection Reasons (and How to Avoid Them)
- Weak or missing website. Mercury reviews your online presence before approval — an unfinished landing page is a top rejection reason for international founders. Fix: publish a real site with your product, business model, and contact page before applying.
- Vague or risky business description. “Consulting” with no detail raises flags; crypto exchanges, gambling, adult content, and high-risk affiliate schemes are not supported by Mercury. Fix: be concrete — “We sell digital downloads via Shopify” beats “e-commerce.”
- Name or detail mismatches. Your LLC name, EIN letter, operating agreement, and application must match character for character. Double-check every document before submitting.
- Claiming a US address as your personal address. Banks verify this, and misrepresentation means permanent rejection. Give your real home-country address as your personal address and a legitimate business address for the company.
- Applying before you are ready. Pre-revenue LLCs face more scrutiny than in prior years. Fix: have client traction, a clear revenue plan, or at minimum a professional website — and if declined, contact support before reapplying rather than submitting again blindly.
Stripe, PayPal, and Platform Payouts
- Mercury: a full US routing and account number — works natively with Stripe (including Shopify Payments), PayPal Business, Amazon Seller accounts, and Etsy payouts. This is the “no compromises” option.
- Wise Business: handles Stripe payouts, client payments, and contractor payments via ACH, and its local account details make it easy to receive payouts in EUR, GBP, and other currencies — best if your revenue arrives in several currencies.
- Relay: collects payments from PayPal, Stripe, and Square — fine for USD payouts once you are onboarded.
If your plan is using Stripe with your US LLC as a non-resident, pair Mercury (your US home base) with Wise (your currency switcher). That two-account setup covers nearly every payout scenario founders encounter.
Tax Notes for Foreign-Owned LLCs
Banking is not tax advice — consult a tax professional. But two banking-adjacent facts matter:
- A bank account does not create your tax obligations; ownership does. A foreign-owned single-member LLC taxed as a disregarded entity may need to file Form 5472 with a pro forma Form 1120 if the reporting rules apply. Our Form 5472 guide for foreign-owned single-member LLCs explains when this applies.
- Your bank statements are your paper trail. Keep clean records of all business income and expenses from day one — your accountant (and the IRS) will thank you at filing time.
Frequently Asked Questions
Can a non-US resident open a Mercury account?
Yes. Mercury is one of the most accessible options for non-US founders in 2026: no SSN required, fully remote application. You need a formed US LLC, an EIN confirmation letter, your Articles of Organization, an operating agreement, a valid passport, and a professional website. Approval typically takes a few business days.
Do I need an SSN to open a US business bank account?
Not necessarily. Mercury and Wise Business both accept an EIN and foreign passport instead of an SSN for non-resident owners. Relay is the exception: its onboarding effectively requires each 25%+ owner to provide an SSN or ITIN, so most non-resident founders without a US tax ID cannot open Relay — though an ITIN can bridge that gap.
Does Wise Business work with a US LLC?
Yes. Wise Business supports US LLCs and provides a US routing and account number for ACH, plus local account details in EUR, GBP, and other currencies. Verification asks for an EIN, formation documents, and passport ID from owners. Note the limitations: Wise is a money transmitter, not a bank — balances are not FDIC-insured in the standard setup, and it cannot always receive Fedwire transfers.
Which is better for international wires: Mercury or Wise?
For sending money internationally, Wise usually wins on price — transfers run from roughly 0.48–0.57% at the mid-market rate, versus Mercury’s ~1% FX fee on converted currencies. Mercury’s edge is free domestic and USD international wires and FDIC-insured deposits. Many founders use Mercury as their main USD account and Wise for cross-currency moves.
Can I open a business bank account before my LLC is formed?
No. All three providers require a registered US entity in good standing before you can apply — the EIN, Articles of Organization, and operating agreement all depend on the LLC existing first. Form your LLC, file for your EIN, then start the bank application.
Are these accounts FDIC insured?
Mercury: yes — deposits are held at FDIC-member partner banks (Choice, Column N.A., Evolve), up to $250,000 per depositor per institution and up to $5 million via the sweep network based on eligibility. Relay: yes — through Thread Bank (up to $3M via its sweep program, per Relay). Wise: standard balances are not FDIC-insured — funds are safeguarded in segregated accounts; pass-through applies only through the Interest feature, which most non-residents cannot access.
Sources
- Mercury (mercury.com): business banking features and FDIC disclosures via partner banks (up to $5M FDIC via partner-bank sweep, eligibility-based).
- Wise (wise.com): Wise Business features, pricing, and FDIC disclosure (standard balances not FDIC-insured).
- Relay (relayfi.com): business banking features, pricing plans, FDIC via Thread Bank, and published comparison pages.
Pricing and onboarding rules change. Verify fees, FDIC terms, and eligibility on each provider’s official site before applying.
Conclusion
For the typical non-US founder — no SSN, no US address, running the business from abroad — Mercury is the clear pick: remote onboarding, no monthly fees, free USD wires, FDIC-insured deposits, and native Stripe/PayPal compatibility. Add Wise Business if your money moves across currencies, and consider Relay only once you hold an SSN or ITIN.
Everything starts with the entity and the EIN. If you have not formed your LLC yet, that is step zero: form your LLC for $100 + state fee with Registered Agents Inc — the formation service we recommend across FormaAdvisor — then get your EIN and open your account when the paperwork is ready.