Enter Mexico · Entity Structuring
Mexico Subsidiary Formation
Entity & tax structuring
How does a U.S. company form a subsidiary in Mexico?
A U.S. company forms a Mexican subsidiary by choosing an entity type — usually an S. de R.L. or an S.A. de C.V. — incorporating before a Mexican notary, registering with the public registry and the tax authority, filing with the foreign investment registry, granting powers of attorney, and opening a local bank account. The process typically runs six to ten weeks.
The filings are the easy part. What determines whether the structure serves you three years from now is the set of decisions made in the first two weeks: entity type, ownership, funding model, and tax posture. Those four are expensive to reverse once the entity exists and money has moved.
What usually goes wrong
Six decisions that are
costly to reverse
The wrong vehicle
S. de R.L. and S.A. de C.V. are not interchangeable. The choice affects how ownership is transferred, how governance works, how the entity is treated for U.S. tax purposes, and how easily you can bring in a partner later. Converting after the fact is possible but slow and expensive.
Permanent establishment
Activity carried out in Mexico before the subsidiary exists — or by U.S. personnel after it does — can create a taxable presence for the U.S. parent itself. This is one of the most common and most costly surprises for companies that started operating before incorporating.
Powers of attorney and governance
Mexican entities act through powers of attorney with specific, enumerated scopes. Granting them too broadly creates exposure; granting them too narrowly stalls the operation because nobody can sign. Both errors are common in the first months.
Capital and funding structure
How the parent funds the subsidiary — equity, intercompany loan, or capital contribution — drives withholding, deductibility, thin-capitalization limits, and how profits eventually come back. Deciding it after the money has moved narrows the options.
Registrations that gate operations
Tax registration (RFC), electronic signature, foreign investment registry, and the bank account each depend on the prior one and on documents legalized in the U.S. A missing apostille at the wrong moment can add weeks.
Restricted and regulated activities
Most sectors permit 100% foreign ownership, but a limited set is reserved or capped, and some activities require prior authorization. Confirming your corporate purpose against those rules belongs before incorporation, not after.
What KNR handles
From decision
to bank account
We take the entity from the structuring analysis through to an operating company with a tax ID, a bank account, and the corporate governance your U.S. parent needs to sign off on — coordinated from Houston in your time zone.
Discuss your structure- Entity selection analysis (S. de R.L. vs. S.A. de C.V.) against your operating model
- Corporate purpose drafting and foreign-ownership confirmation for your sector
- Bylaws, shareholder or partner structure, and governance design
- Incorporation before a Mexican notary and public registry filing
- Tax registration (RFC), electronic signature, and digital tax obligations
- Foreign investment registry filings and ongoing reporting
- Powers of attorney calibrated to actual signing needs
- Bank account opening and the documentation banks require from a U.S. parent
- Intercompany agreements aligned with transfer-pricing expectations
- Corporate housekeeping calendar so the entity stays in good standing
Sequencing
Six to ten weeks,
in four stages
Structure decision
Entity type, ownership, funding model, and tax posture — confirmed against your operating plan and your U.S. tax position before anything is filed.
Documents and authorizations
Corporate name authorization, bylaws, and the parent-company documents that must be notarized, apostilled, and translated in the U.S. This is where timelines usually slip.
Incorporation and registry
Execution before a Mexican notary, public registry filing, foreign investment registration, and the powers of attorney your operation will actually use.
Tax, banking, and go-live
RFC and electronic signature, bank account opening, accounting setup, and the intercompany agreements that let the parent and subsidiary transact cleanly.
Before you file
The Mexico Market
Entry Roadmap
Incorporation is stage two of four. The roadmap lays out the full 180-day sequence and the decision gate that should close before each stage begins — so the structure you choose now still fits the operation two years from now.
Common questions
Subsidiary formation,
answered
The questions U.S. legal and finance teams ask us most before incorporating in Mexico. For your specific structure, a 30-minute call is the fastest path.
Both are limited-liability vehicles, but they behave differently. An S. de R.L. (sociedad de responsabilidad limitada) has partners holding equity interests rather than shares, transfers require partner consent, and it is commonly elected as a pass-through entity for U.S. tax purposes — which is often decisive for a U.S. parent. An S.A. de C.V. (sociedad anónima de capital variable) issues shares that transfer more freely, has a more formal governance structure with a board or sole administrator, and is the conventional choice when you anticipate outside investors or a future sale of shares. The right answer depends on your U.S. tax treatment, your ownership plans, and how you expect to exit.
Roughly six to ten weeks from decision to a fully operational entity, assuming documents move promptly. Incorporation itself is fast; what sets the pace is the corporate documentation from the U.S. parent that must be notarized, apostilled, and translated, and then the sequence of tax registration, electronic signature, and bank account opening, each of which depends on the prior step being complete.
In most sectors, yes. Mexico's Foreign Investment Law permits 100% foreign ownership across the great majority of activities, including most manufacturing and services. A limited set of activities remains reserved to the State or to Mexican nationals, and some are capped or require prior authorization from the foreign investment authority. Because the analysis turns on your specific corporate purpose, it should be confirmed before the bylaws are drafted rather than corrected afterward.
Generally no on both counts. In sectors open to foreign investment the entity can be wholly owned by foreign shareholders, and there is no general requirement that directors or managers be Mexican nationals or residents. What the entity does need is a legal representative in Mexico with adequate powers of attorney, a registered domicile, and — for tax purposes — the ability to comply with electronic invoicing and filing obligations locally.
Permanent establishment means the Mexican tax authority treats the U.S. parent itself as having a taxable presence in Mexico, taxing the profits attributable to it. It can be triggered by activity conducted in Mexico before the subsidiary exists, by a fixed place of business, or by personnel who habitually conclude contracts on the parent’s behalf. Because it attaches to the parent rather than the subsidiary, it is not solved by incorporating later — which is why the structure and the sequence of activity should be settled before anyone begins operating on the ground.
Ready to incorporate?
Structure It
Once, Correctly
Tell us your operating plan and U.S. tax position. We'll recommend the entity, the funding model, and the sequence — before anything gets filed.
Not ready to talk? Get the Mexico Market Entry Roadmap