In the texts we read, a local entity is not required in Brazil or Mexico to hold local-currency accounts or pay suppliers there. A subsidiary opened only for a bank account brings filings and recurring reports with it, and the account never required it. Collecting from local customers can count as operating in the country, and in Mexico habitual acts of commerce start a registry clock even with no subsidiary. Employees, your own local tax invoices and regulated activity are what push you toward an entity, and the quieter mistake is paying the first local hire as a contractor because the payouts already worked.
This guide covers what the texts say about each test, the foreign-investment filings in each country, an eight-question decision list and the cases where skipping the entity is the wrong call. It is not legal advice: talk to local counsel first.
Paying people and operating a business are different tests
Paying a supplier in São Paulo or Monterrey from abroad is a cross-border payment. The USDC to BRL route lands reais over Pix (Brazil's instant payment system, run by the Central Bank), and the USDC to MXN route lands pesos over SPEI (Mexico's interbank transfer system, run by Banxico).
Operating in the country means your company carries on activity there, through people, customers, premises or licences. Only that second test creates obligations a subsidiary exists to carry. A bank account is the weakest reason to start entity work.
What Brazilian law says about a foreign company paying and collecting
What the texts say:
Who may be a client. Law 14.286 of December 29, 2021, the foreign exchange law, defines a non-resident as a person or company based abroad (Article 1, sole paragraph). Foreign exchange operations run only through institutions the Central Bank of Brazil (BCB) has authorized, and those institutions identify the client (Articles 3 and 4). None of those articles asks the foreign party to be a Brazilian company. They ask that the money cross through an authorized institution and that the customer declare the purpose (Article 4, paragraph 2).
Pricing in foreign currency. Obligations enforceable in Brazil can be priced in foreign currency when the creditor or the debtor is a non-resident (Article 13, item II).
BCB Resolution 277 of December 31, 2022 says institutions authorized in the foreign exchange market may open and maintain reais deposit and payment accounts held by non-residents on the same conditions as for residents, subject to the rest of that Title (Article 67). Whether a given institution opens one for a given foreign company is its own KYB (know your business, the verification of a company and its owners) decision.
The texts do not say whether collecting from local customers counts as operating in Brazil. Article 67 only lets an institution open the account.
The provision that does create an entity requirement is Article 1.134 of the Civil Code (Law 10.406 of January 10, 2002). A foreign company, whatever its object, may not operate in Brazil without authorization from the Executive branch, even through subordinate establishments, and Article 1.136 bars it from starting activity before registration.
Employment is the second trigger. The Consolidation of Labor Laws (Decree-Law 5.452 of May 1, 1943) defines an employer as a company that hires, pays wages to and directs personal service (Article 2) and an employee as an individual who provides non-occasional service under dependence and for a salary (Article 3).
Two neighbors have their own guides: the PSAV (Prestadora de Serviços de Ativos Virtuais, Brazil's virtual asset service provider authorization) regime in the Central Bank virtual asset license guide, and a Brazilian company collecting dollars in receiving USD as a Brazilian company.
What the Mexican sources say
On the Mexican side we read less of the primary law. The Congress website did not serve the Ley de Inversión Extranjera on October 29, 2026, and we did not read the Código de Comercio or the Ley General de Sociedades Mercantiles, so we read the Secretaría de Economía's information sheet for the national foreign investment registry, which cites Article 32 of that law and Articles 38 and 41 of its regulation.
The sheet says foreign companies domiciled abroad must register within 40 business days of habitual acts of commerce in Mexico beginning, and Mexican companies with foreign capital within 40 business days of the investment entering. Filing is free, and a registered company reports income and expenses every quarter and renews every year. The sheet lists reforms only up to May 25, 2011, so confirm the procedure is current. If the filing is missed, the sheet cites Article 38, fraction IV of the law: a fine of 30 to 100 minimum wages, plus filing all past notices and up to five years of reports.
The first category is the one to notice: a foreign company with no Mexican subsidiary can itself be a registrant, and the clock starts with habitual acts of commerce, not with incorporation. It is the one Mexican filing a company without an entity can hit. Whether paying suppliers from abroad counts is not answered by the sheet.
For payments, the Fintech Law is the text a provider answers to. Articles 11 and 35 require authorization from the CNBV (Mexico's banking and securities regulator) to organize and operate as a fintech institution, which includes electronic payment fund institutions. A search of the law's text for foreign persons returns provisions on foreign-currency operations, foreign loans and transfers abroad, and none that makes a Mexican corporate form a condition of being a client. That reads the text and gives no opinion on a specific customer. The Mexico regulation guide covers the Fintech Law in full.
What counsel decides, not the texts
These answers sit outside the texts we read:
Whether your activity amounts to operating in Brazil under Article 1.134, and whether habitual acts of commerce have started in Mexico.
How a given worker is classified under the Brazilian labor definitions.
Whether you need your own nota fiscal or CFDI, and what your permanent establishment risk is.
Tax registrations, starting with the CNPJ (the Brazilian company taxpayer ID) and its Mexican counterpart. A payments provider cannot answer these for you.
Foreign-investment filings in each country
The two countries attach filings to different parties. In Brazil the recipient company files once a subsidiary exists. In Mexico the foreign company itself can file with no subsidiary at all, and some thresholds sit lower than teams expect.
Foreign-investment filings in Brazil and Mexico, from the primary texts read on October 29, 2026.
Item | Brazil (BCB Resolution 278 of December 31, 2022) | Mexico (Economía registry sheet, Article 32 of the foreign investment law) |
Who files | The Brazilian company receiving the investment | The foreign company itself, with no subsidiary needed, or the Mexican company with foreign capital |
What starts it | A transfer from the non-resident investor of USD 100,000 or more (Article 32, item I); transfers of that size also carry the SCE-IED code (Article 21) | Start of habitual acts of commerce, or foreign investment entering the capital |
Deadline | Recipient and investor identified before the first transfer (Article 34); profit distributions and similar movements within 30 days (Article 36) | 40 business days |
Periodic filings | Quarterly from R$300 million in assets, annual from R$100 million, five-year from R$100,000 (Articles 38 to 40) | Quarterly income and expense report, annual renewal |
If it is missed | Transfers related to the operation can be prohibited until corrected (Article 22) | Fine of 30 to 100 minimum wages (Article 38, fraction IV, per the Economía sheet) plus back-filing of up to five years of reports |
None of these texts gives a duration for incorporating a company or opening its accounts, so we quote none. To compare the routes, ask counsel for year-one and yearly entity costs, then run the sum yourself: entity cost per year divided by the provider's conversion cost on the same local revenue. If the entity is lower at your volume, the cost case favors it.
Eight questions that decide it
Will you employ people in the country within the next 12 months?
Will local customers need a tax invoice issued by your company, such as Brazil's nota fiscal or Mexico's CFDI?
Does the activity you will carry on there need a licence, for example payment services or virtual asset services?
Will you have an office, inventory or a representative who can sign contracts there?
Will you collect large, steady local-currency revenue that you also spend locally?
Is a local partner or customer requiring a local counterparty?
Has your tax adviser flagged permanent establishment risk?
Is the money a payment for goods or services you receive, or a transfer of capital into a local company?
A yes on any of the first four means the law attaches obligations to what you plan to do, so start the entity work now. A yes on questions 5 to 7 is a cost call: price both routes. A yes on the capital branch of question 8 puts you in the filings from the table. If every answer is no, use a provider and note the date to rerun the list.
Running an entity and a provider together
Most companies that grow in the region end up with both: the subsidiary runs payroll, invoicing and tax filings in its country, and a provider pays suppliers elsewhere. If headquarters funds the subsidiary with capital, the Brazilian USD 100,000 threshold in the table applies.
I recommend against opening a subsidiary just to get a bank account. A subsidiary exists to carry employees and licences, plus the invoices that go with them, and a company with none of those pays for the filings above and gets one account in return. I would start with the provider, write down which of the first four questions will turn to yes, and begin entity work early, because none of the texts gives an incorporation time. The expensive mistake is the opposite one: staying on contractor-style payouts after the first local hire because the payouts were already working.
When skipping the entity is the wrong call
Employing people is the clearest case. Articles 2 and 3 of the Brazilian labor consolidation turn on how the work is done, so a team working for you every month under your direction is not a payout problem. The Lumx payroll guide asks the customer to tag an employee destination as EMPLOYEE.
Local invoicing is the second. A payments provider does not issue your invoices, and the nota fiscal and CFDI rules decide whether your customers need one from you. A regulated activity is the third: if your product holds client funds, custodies virtual assets or offers foreign exchange to the public in either country, the authorization belongs to a local company under the regimes above.
Large, steady local revenue is a cost case: a company that collects reais and pays local costs from them converts the same money twice when it keeps everything abroad, and the volume sum above shows where the entity costs less. A provider moves money and does not take on your employer, tax or licensing obligations.
What a BRL and MXN flow looks like with Lumx
Lumx is stablecoin payments infrastructure for businesses that move money between Latin America and the rest of the world: one API to collect, hold, convert, and pay out in BRL, MXN, COP, USD, EUR, and GBP or in USDC and USDT, over local rails such as PIX, SPEI, PSE, Bre-B, ACH, FEDWIRE, SEPA, and Faster Payments, with SWIFT and on-behalf-of payments and collections (POBO and COBO) in USD, EUR, and GBP, plus named virtual accounts, custodial wallets, and KYB/KYC built in.
The customer is the business that holds the accounts, onboarded through KYB verification with its own country and tax ID, so a foreign company holds BRL and MXN accounts without a Brazilian or Mexican entity. Each account is a named virtual account (a local account number issued in the customer's own name) provisioned through a Lumx partner; the product page shows how they are used. Standard KYB targets two business days once the documents are in (as of October 2026, per the docs).
To collect, the customer shares deposit details: for MXN a CLABE (the 18-digit Mexican bank account number) plus a memo carrying the reference, and for BRL a static Pix QR code. An autoconversion rule can turn each deposit into USDC or USDT. To pay, the customer registers each supplier as a destination with the holder's tax ID and relationship, the destination is verified, and the payout leaves over Pix or SPEI. The coverage page lists the rails live today, and what a stablecoin corridor is explains the route.
None of that replaces the entity analysis. Lumx operates in Brazil under the transition regime of BCB Resolution 520/2025, Article 88, as an SPSAV (Sociedade Prestadora de Serviços de Ativos Virtuais, the company type that holds a PSAV authorization), the same position as Brazilian providers. The supported countries page is where Lumx's position by country lives. What a provider's authorization covers is the provider's service. Your payroll and licences stay yours, along with your invoices.
Methodology and sources
Every norm below was read on October 29, 2026, and article numbers come from those texts.
Law 14.286 of December 29, 2021, Articles 1, 3, 4 and 13.
Civil Code, Law 10.406 of January 10, 2002, Articles 1.134 to 1.136.
Decree-Law 5.452 of May 1, 1943, Articles 2 and 3.
BCB Resolution 277 of December 31, 2022, Article 67, in the BCB's English version (the Portuguese original prevails).
BCB Resolution 278 of December 31, 2022, Articles 21, 22, 32, 34, 36 and 38 to 40, in the BCB's English version updated to December 2024.
Secretaría de Economía registry sheet, which cites the Ley de Inversión Extranjera.
Fintech Law, Diario Oficial de la Federación of March 9, 2018, Articles 11 and 35.
Lumx statements come from the docs pages for accounts, identity verification, autoconversion rules, treasury management and payroll, read the same day.
Not read: the Ley de Inversión Extranjera itself (the Congress website did not respond), the Código de Comercio and the Ley General de Sociedades Mercantiles, Mexican tax and labor statutes, Brazilian tax rules for non-residents, and the IOF and the Brazilian foreign exchange contract. The nota fiscal, CFDI and permanent establishment points are not statements of law.
Verified on October 29, 2026. Operational context, not legal, tax, or investment advice.
Cover photo: Frantisek Duris on Unsplash.
Does a foreign company need a local entity to pay suppliers in Brazil or Mexico?
In the texts we read, not for the payment itself. Brazilian law lets a foreign party pay through institutions authorized in the foreign exchange market, and the Fintech Law regulates the licensed institution, not the corporate form of its customer. Collecting from local customers can count as operating in the country, and employing people or issuing local tax invoices needs an entity.
Can a foreign company hold a reais or pesos account without a subsidiary?
BCB Resolution 277 lets authorized institutions open reais accounts for non-residents on the same conditions as for residents, so the rule does not itself require a subsidiary. Each institution applies its own KYB, in Mexico too. Lumx provisions BRL and MXN accounts in the name of a business customer after KYB, for customers based in a supported country.
What foreign-investment filings apply in Brazil and Mexico?
In Brazil, a transfer of USD 100,000 or more from the non-resident investor starts reporting to the Central Bank. In Mexico, registration is due within 40 business days of habitual commerce starting or foreign investment entering, and it applies to a foreign company with no subsidiary too. Confirm current thresholds.
When does a company that pays through a provider need an entity anyway?
When it will employ people there, issue local tax invoices, hold a licence for a regulated activity or keep an office or a contracting representative. Large, steady local revenue spent locally is a cost reason rather than a legal one.
