US Banking for Brazilian LLC Owners: BRL-USD Strategy (2026)

Brazil is not a restricted jurisdiction. No OFAC sanctions, no enhanced screening at US banks, no legal barriers to opening accounts or forming LLCs. If you have a properly formed US LLC, the account opening process is the same as any other non-resident founder: formation documents, EIN letter, passport, proof of business activity.

The real problem is money movement. IOF (Imposto sobre Operacoes Financeiras) hits every outbound transfer, BACEN wants to know about your foreign accounts, and Brazilian banks take a 3-5% cut on every currency conversion while pretending it is the "exchange rate."

I have run cross-border entities for nearly two decades across US, Chinese, and other emerging-market jurisdictions. The Brazil corridor follows a pattern I keep seeing: easy legal access, painful currency friction, and reporting obligations founders discover after the accounts are already open.

Platform Comparison: Mercury, Wise Business, and Relay

Three platforms dominate non-resident LLC banking, but they fill different roles. For Brazilian founders, Wise Business stands apart because it offers BRL local account details. Mercury and Relay do not.

Mercury: USD Banking Foundation

Mercury is the default US business bank for startup founders. You get a checking account, debit card, ACH and wire capability, and Mercury Treasury for earning yield on idle USD. FDIC insured up to $5M through sweep networks at partner banks (Choice Financial Group, Evolve Bank & Trust).

Mercury is USD-only. No BRL, no PIX. If your clients pay in USD and your expenses are in USD, Mercury handles the core banking. The moment BRL enters the picture, you need something else.

Account opening follows the standard non-resident path:

• US LLC formation documents (Articles of Organization / Certificate of Formation)
• EIN letter from the IRS (CP 575 or 147C)
• Brazilian passport (valid, not expired)
• Proof of business activity (website, client contracts, or invoices)
• Operating Agreement listing the Brazilian founder as sole member

Mercury's compliance team applies extra scrutiny to non-resident applications. Rejections happen, usually when the business description is vague. Write "SaaS product serving US clients," not "consulting."

See Mercury vs Wise vs Relay for the full fee comparison.

Wise Business: The BRL Game-Changer

Wise Business matters more for Brazilian founders than for almost any other nationality. The reason is simple: Wise gives you BRL local account details -- a Brazilian conta linked to your CPF that receives PIX, TED, and DOC payments domestically.

With Wise Business you can:

• Receive BRL payments from Brazilian clients without them doing an international transfer
• Use PIX for instant BRL transfers in and out of Brazil
• Convert BRL to USD at mid-market rate (0.57-1.5% fee), versus 3-5% spreads at Brazilian banks
• Hold both currencies and convert only when rates look right
• Send USD to Mercury or directly to vendors

Wise is not a bank. Funds are safeguarded in ring-fenced accounts at partner institutions, not FDIC-insured. If that distinction matters to you, keep your operating reserve in Mercury. Use Wise as the BRL-USD bridge.

To open a Wise Business account:

• Brazilian passport or RG (Registro Geral)
• CPF (Cadastro de Pessoas Fisicas)
• Proof of address (Brazilian utility bill, bank statement, or comprovante de residencia)
• Business registration documents (US LLC formation docs, or CNPJ for a Brazilian business account)

Wise approves Brazilian applications faster than Mercury, partly because they already operate extensively in Brazil through Banco Rendimento for BRL clearing.

Relay: Functional but Not Differentiated for Brazilians

Relay does profit-first banking well. Multiple sub-accounts for operating expenses, taxes, profit, and owner's pay, all free.

But Relay is another USD-only platform. No BRL features, no PIX. For Brazilian founders, it works as a backup or complement to Mercury, not as a substitute for Wise. The multi-account structure is its only real differentiator.

See Mercury vs Wise vs Relay for the full comparison.

IOF: The Tax on International Financial Transactions

IOF (Imposto sobre Operacoes Financeiras) is a Brazilian federal tax on financial operations, including currency exchange. Every time you convert between BRL and USD, IOF applies. Wise, Brazilian bank, doesn't matter. The channel is irrelevant.

Current IOF Rates (2026)

The rate structure was overhauled by Decreto 11.153/2022. Here are the rates that matter for LLC-related transfers:

Transfer $10,000 from a Brazilian bank to Mercury, and IOF costs you $38. Traditional wire or Wise conversion, same rate. Any BRL-to-foreign-currency exchange triggers it.

How IOF Applies to LLC-Related Transfers

IOF fires at the point of currency exchange, not the point of transfer. This distinction matters:

• BRL → USD via Wise: 0.38% collected by Wise's Brazilian banking partner at conversion
• BRL → USD wire from Itau/Bradesco/Nubank: 0.38% deducted from the transfer amount
• USD → BRL (bringing money back): 0.38% on the exchange
• USD → USD (Mercury to Wise USD, or between US accounts): No IOF. No currency exchange, no tax.

The takeaway: keep funds in USD within US-based accounts to avoid repeated IOF charges. Convert to BRL and back and you pay 0.38% each way, 0.76% round-trip. On $50,000 annually, that is $380 in IOF alone.

IOF vs. Bank Spread: The Real Cost

IOF is the visible cost. The bigger cost hides in the exchange rate spread Brazilian banks apply:

On a single $10,000 conversion, the gap between a traditional bank and Wise is $200-400. Do that monthly and you are losing thousands per year to hidden spreads. Wise's BRL local account lets you collect BRL domestically via PIX at zero cost, then convert at rates 2-4x cheaper than bank wires.

BRL-USD Conversion: Mechanics and Timing

Wise Mid-Market Rate vs. Brazilian Bank Spread

Wise shows you the mid-market exchange rate and adds a transparent percentage fee on top. You see the rate and the fee separately before you convert.

Brazilian banks do it differently. Itau, Bradesco, Banco do Brasil, Santander Brasil all quote their own exchange rate with the spread baked in. You never see the fee because it is the rate. The PTAX rate published daily by BACEN is the reference, but banks are not required to match it, and none of them do.

At March 2026 rates (~BRL 5.75 per USD):

• Mid-market rate: 5.75 BRL/USD
• Wise rate: 5.75 BRL/USD + 0.57% fee = effective rate of ~5.72 BRL/USD (founder receives slightly less USD per BRL)
• Itau commercial rate: ~5.50-5.58 BRL/USD (3-4.5% below mid-market)

On a $10,000 conversion, Itau gives you roughly $300-450 less in USD than Wise.

PIX for BRL Collection

PIX is Brazil's instant payment system. 24/7, settles in seconds, zero fees for individuals (small fees for business accounts depending on the institution).

Wise's BRL account supports PIX. Invoice your Brazilian clients in BRL, give them your Wise PIX key, and the money arrives instantly. Hold the BRL until the conversion rate looks favorable. No need to ask clients to initiate international wires through their bank's cambio desk, which is slower, more expensive, and a hassle for everyone.

Timing Considerations

BRL/USD is volatile. In the 12 months ending March 2026, it traded between roughly 4.85 and 6.10 per USD, a 25% range. If you convert $5,000 per month for living expenses, the difference between the top and bottom of that range is about $1,000 per month in BRL.

Wise lets you set rate alerts and convert when it hits your target. Not a hedge, just timing. But with a 25% annual range, timing matters.

BACEN Reporting: CBE for Foreign Accounts

If you are a Brazilian resident and hold assets abroad, BACEN wants to know. That includes Mercury accounts, Wise USD balances, and anything else outside Brazil.

CBE (Capitais Brasileiros no Exterior)

The CBE (Declaracao de Capitais Brasileiros no Exterior) is a mandatory declaration for Brazilian residents holding foreign assets.

Annual CBE (March 31 deadline):

• Triggered when total foreign assets exceed USD 1,000,000 as of December 31
• Covers all foreign accounts, real estate, equity stakes, and other assets outside Brazil

Quarterly CBE:

• Triggered at USD 100,000,000 -- institutional territory, not solo founders

Most solo founders are well below the $1M threshold. $50,000 in Mercury and $20,000 in Wise USD? No filing obligation.

But the threshold is on total foreign assets, not per account. Mercury balance plus Wise USD plus foreign investments plus equity in your US LLC -- all of it adds up.

How to Report Mercury and Wise Accounts

When CBE filing is required, each foreign account is reported individually:

• Mercury: Deposit account at a US financial institution. Report the balance as of December 31.
• Wise (USD balance): Account at a foreign payment institution. The reporting entity is either Wise Payments Limited (UK) or Wise US Inc., depending on your account type.
• Wise (BRL balance): Held via Banco Rendimento in Brazil. This is a domestic asset and does not count for CBE.

File through BACEN's online system. Any Brazilian CPA (contador) who handles international clients knows the process.

CRS and FATCA Data Exchange

Brazil participates in both FATCA and CRS. In practice:

• Mercury reports Brazilian account holders to the IRS, which shares data with the Receita Federal under the FATCA agreement
• Wise reports under CRS to jurisdictions where it holds licenses, which exchange with Brazil
• The Receita Federal receives account balances, interest earned, and gross proceeds

The Receita Federal already sees your foreign accounts. The data exchange is automatic, no investigation needed. Accurate reporting on your IRPF and CBE (when applicable) is the baseline expectation, not extra credit.

Dual Payment Strategy: Stripe Brazil + Stripe US

Brazilian founders with US LLCs have a structural advantage most other nationalities lack: access to Stripe Brazil alongside Stripe US.

The Two-Stripe Configuration

When to Use Which

Stripe Brazil (BRL) works for Brazilian clients paying in BRL, local payment methods like Boleto Bancario and PIX, and anything priced for the domestic market. Requires a CNPJ or individual CPF registration.

Stripe US (USD via LLC) handles international clients, SaaS products priced for global markets, and anything where the US LLC is the contracting entity. Settles in USD to Mercury.

Both at once is the interesting play. Sell your SaaS globally at $49/month through the LLC (Stripe US to Mercury) while offering R$199/month for Brazilian customers (Stripe Brazil to Wise BRL or a Brazilian bank). The revenue streams are legally separate: one belongs to the LLC, the other to you personally or your Brazilian entity.

Stripe supports multiple accounts under different entities, so this is straightforward to set up. The real question is whether you want two sets of revenue reporting. The LLC has US tax filings. Brazilian personal or business income has IRPF or Brazilian corporate filings. Two revenue streams means two reporting obligations.

Documentation Checklist

Get these documents together before you apply. Missing even one delays the process or triggers a rejection.

For Mercury / Relay (US Business Banking)

• CPF (Cadastro de Pessoas Fisicas) — Brazilian individual tax ID
• Brazilian passport — valid, not expired (some platforms also accept RG + CNH combination)
• US LLC formation documents — Articles of Organization or Certificate of Formation filed with the state
• EIN confirmation letter — IRS CP 575 or 147C letter confirming the LLC's Employer Identification Number
• Operating Agreement — listing the Brazilian founder as sole member/manager
• Proof of business activity — active website, client contracts, invoices, or a description of the business
• Proof of address — Brazilian utility bill, bank statement, or comprovante de residencia (within 90 days)
• US registered agent — active registered agent in the state of LLC formation

For Wise Business

• CPF — required for BRL account details activation
• Brazilian passport or RG — identity verification
• Proof of address — Brazilian utility bill or bank statement
• Business registration — US LLC formation docs (for a US business account) or CNPJ (for a Brazilian business account)
• EIN letter — if opening under the US LLC

For Stripe Brazil

• CPF — for individual account
• CNPJ — for business account (if applicable)
• Brazilian bank account or Wise BRL account — for settlement
• Identity document — RG or passport

For Stripe US (via LLC)

• EIN — the LLC's tax identification number
• US bank account — Mercury or Relay checking account for USD settlement
• LLC formation documents — state filing confirmation
• Business website — Stripe reviews the website during onboarding

FAQ

Does IOF apply to transfers between my own accounts (e.g., Brazilian bank to Mercury)?

Yes. IOF triggers on the currency exchange, not on who sends or receives. Your own accounts, a third party, a business account -- if BRL converts to a foreign currency, you pay 0.38%. The only way to skip it is to skip the conversion entirely, for example receiving USD directly into Mercury from a US client.

Is Wise's BRL account a "foreign account" for BACEN purposes?

BRL in Wise via Banco Rendimento sits in a Brazilian institution -- not a foreign asset for CBE purposes. USD in Wise (through the US or UK entity) is foreign and counts toward the threshold. A founder with R$500,000 in Wise BRL and $50,000 in Wise USD has only $50,000 in foreign assets for CBE.

Can I receive USD directly into Mercury from Brazilian clients?

They can, but it is a bad experience for both sides. Brazilian banks charge R$100-250 for international wires plus their own FX spread, and it takes 2-5 business days. Better approach: have the client send BRL via PIX to your Wise BRL account, convert to USD inside Wise, and transfer to Mercury. You control the conversion cost instead of leaving it to the client's bank.

What happens if I do not file the CBE when required?

BACEN imposes fines. R$2,500 for late filing (up to 30 days), up to R$250,000 for non-filing or materially incorrect declarations, and higher for repeated non-compliance. The CBE is separate from the Receita Federal's IRPF filings. Both obligations exist independently.

Do I need a CNPJ to open a Wise Business account?

No. Wise Business accepts US LLC documentation (Articles of Organization + EIN). The BRL local account details link to your CPF, not a CNPJ. You can operate with a US LLC, a Wise Business account under the LLC, and BRL details linked to your personal CPF. No Brazilian corporate entity needed. That said, if you also use Stripe Brazil, a CNPJ gets you lower processing fees and business-tier features.

Key Takeaways

• Brazil is not restricted. Mercury, Wise Business, and Relay all accept Brazilian nationals with standard documentation (passport, CPF, EIN, LLC formation documents)
• Wise Business is the standout for Brazilian founders because of BRL local account details with PIX support. Mercury and Relay cannot do this
• IOF at 0.38% applies to every currency exchange. Keep funds in USD within US accounts to avoid paying it twice on round-trip conversions
• The bank FX spread (3-5%) costs far more than IOF (0.38%). Wise's mid-market rate plus 0.57-1.5% fee saves $200-400 per $10,000 versus traditional bank wires
• CBE reporting kicks in when total foreign assets exceed USD 1,000,000. Mercury and Wise USD balances count. Wise BRL balances held via Banco Rendimento do not
• Running Stripe Brazil (BRL) alongside Stripe US (USD via LLC) lets you serve both markets, but means two sets of revenue reporting
• FATCA and CRS data exchange means the Receita Federal already sees your US accounts. Accurate IRPF reporting is the baseline, not optional
• For most Brazilian LLC owners: Mercury for USD banking and FDIC protection, Wise for BRL collection and mid-market conversion, a Brazilian bank for domestic expenses. See banking redundancy for the structural rationale

References

• Banco Central do Brasil (BACEN) — CBE Declaracao — Official CBE filing requirements and thresholds
• Receita Federal do Brasil (RFB) — Brazilian federal tax authority, IRPF filing requirements
• IOF Legislation — Lei 5.143/1966 — Original IOF law
• Decreto 11.153/2022 — IOF rate reforms and reduction schedule
• BACEN PIX Overview — PIX instant payment system documentation
• BACEN PTAX Exchange Rates — Official reference exchange rate history
• OECD CRS — Brazil Implementation — Brazil's CRS commitment and exchange relationships
• IRS FATCA Intergovernmental Agreements — US-Brazil FATCA agreement status
• Wise BRL Account Details — How Wise's BRL local account works
• Wise Business Pricing — Fee structure for BRL-USD conversions
• Mercury vs Wise vs Relay — Full Banking Comparison — US banking options for non-resident LLC owners
• Wise vs Payoneer vs Mercury — Multi-Currency Comparison — Multi-currency fee comparison
• Banking Redundancy for Cross-Border Founders — Structural rationale for multi-account banking architecture