Mexico remains the top nearshoring destination for companies moving supply chains and operations closer to the United States, even as the country works through its biggest labour reform in decades and a genuinely unresolved trade review with its largest trading partner. This guide covers how company registration actually works, what changed with the 2026 workweek reform, and the practical realities a foreign employer needs to plan around.

Why Register a Company in Mexico?

Mexico is the United States’ top trading partner and the primary beneficiary of the nearshoring shift, as manufacturers and service providers relocate operations from Asia to be closer to North American customers and supply chains. The country offers a large, increasingly skilled workforce, English-language talent concentrated in Monterrey, Guadalajara, Mexico City and Querétaro, and full time-zone alignment with US business hours, none of which requires a foreign investor to bring in a local partner, since Mexico permits full foreign ownership across most sectors under the Ley de Inversión Extranjera, with a short list of activities, including domestic ground passenger transport and certain broadcasting, reserved for Mexican individuals or Mexican-owned entities.

The trade picture underpinning all of this genuinely shifted in mid-2026, and it’s worth understanding precisely rather than from headlines alone. The USMCA requires a mandatory joint review on its sixth anniversary, which took place on 1 July 2026. At that review, the United States stated it would not confirm the agreement’s automatic 16-year extension in its current form, meaning USMCA is not renewed on that original timeline, but the agreement itself remains fully in force. This triggers annual reviews going forward under the treaty’s own terms, running until either an extension is agreed or the agreement expires in 2036, and bilateral US-Mexico negotiations were ongoing through the second half of 2026 covering issues like regional content thresholds and the transshipment of Chinese-origin goods through Mexico. This doesn’t change how company registration works, but a business building a nearshoring strategy around duty-free USMCA access should treat the coming negotiation rounds as a live variable rather than settled ground.

Separately, Mexico’s labour framework is in the middle of its most significant reform in years. President Claudia Sheinbaum’s administration pushed through a constitutional amendment reducing the maximum workweek from 48 to 40 hours, phased in from 2027 to 2030, alongside earlier reforms tightening how personnel outsourcing works. Both are covered in detail in the hiring section below, but together they mean a company planning Mexican operations today is working with meaningfully different labour rules than one that set up even three years ago.

Choosing the Right Business Structure

The right structure in Mexico depends mainly on how many owners you have, how you want capital and liability treated, and whether you’re building a genuine Mexican entity or extending an existing foreign one for a specific purpose.

Sociedad de Responsabilidad Limitada de C.V. (S. de R.L. de C.V.)

The S. de R.L. de C.V. is the structure many foreign parent companies prefer, particularly US-based ones, because it can qualify for pass-through tax treatment in the parent’s home jurisdiction while still providing full liability protection in Mexico. There’s no statutory minimum capital requirement, and it requires between 2 and 50 partners, who can be individuals or corporate entities of any nationality. Governance is simpler than an S.A., with management typically handled by one or more gerentes, but transferring a partner’s stake generally requires consent from partners representing a majority of the capital, which is worth planning around if you expect ownership changes down the line.

Sociedad Anónima de C.V. (S.A. de C.V.)

The S.A. de C.V. is Mexico’s other standard vehicle for foreign investors, comparable to a corporation, with shares that transfer more freely than an S. de R.L.’s partnership interests. It requires a minimum of two shareholders and no statutory minimum capital, though it carries somewhat more formal governance, including the option or requirement in some circumstances for a comisario, a statutory examiner who reviews the company’s financial reporting. Larger operations, joint ventures with multiple institutional investors, and companies that expect to raise capital or eventually restructure ownership more actively tend to favour this structure.

Branch (establecimiento permanente)

A foreign company can register a branch, known formally as a permanent establishment, to extend its existing operations into Mexico without incorporating a new Mexican legal entity. This carries no separate legal personality, so liability for the branch’s Mexican activities flows back to the foreign parent, and critically, it still creates a taxable presence in Mexico under Mexican tax law regardless of whether the branch turns a profit. This suits a company executing a defined, time-limited project rather than one planning open-ended commercial operations.

Sociedad por Acciones Simplificada (S.A.S.)

The S.A.S. is a genuinely simplified structure introduced in 2016, incorporated entirely online through the Ministry of Economy’s portal without a notary, and it’s worth understanding precisely who it’s actually for. Mexican corporate law limits the S.A.S. to natural-person shareholders, meaning a foreign company cannot use it as a subsidiary vehicle, and every shareholder, foreign individuals included, needs a valid Mexican e.firma (electronic signature), which itself generally requires an in-person process.

The structure is also capped at roughly MXN 7 million in annual income, adjusted yearly, before conversion to another entity type becomes mandatory. It’s a genuinely useful option for an individual entrepreneur already resident in Mexico, but it isn’t a practical route for a foreign business setting up its Mexican operations.

Comparison of Common Business Structures in Mexico

StructureCommon purposeProsCons
Sociedad de Responsabilidad
Limitada de C.V. (S. de R.L. de C.V.)		Foreign-owned subsidiaries, SMEs
and standard commercial trading		Full liability protection;
simpler governance than an S.A.; often preferred by US parents for tax
pass-through treatment		Capped at 50 partners;
transferring partnership interests requires majority consent from other
partners
Sociedad Anónima de C.V. (S.A.
de C.V.)		Larger operations, joint
ventures, or businesses planning to raise capital or issue shares		No cap on shareholders; shares
transfer more freely; the structure banks and larger counterparties expect
for bigger deals		Minimum of two shareholders;
more formal governance including a statutory examiner (comisario) in some
structures
Branch (establecimiento
permanente)		A foreign company extending an
existing operation into Mexico for a defined purpose		No new Mexican entity to
incorporate; keeps the parent’s existing contracts and track record		No separate legal personality;
the foreign parent carries full liability; creates a taxable presence in
Mexico regardless of profit
Sociedad por Acciones
Simplificada (S.A.S.)		A single Mexican individual
entrepreneur, not a foreign corporate investor		No notary required; entirely
online registration; no minimum capital		Legally limited to individual
(natural person) shareholders and capped at roughly MXN 7 million in annual
income, not viable for a foreign company’s subsidiary

For most foreign companies, the practical choice is between the S. de R.L. de C.V. and the S.A. de C.V. Both offer full liability protection and permit 100% foreign ownership with no minimum capital, and the decision usually comes down to how the parent company’s home-country tax treatment interacts with each structure and how actively you expect ownership to change over time, questions worth raising with a cross-border tax adviser before incorporating rather than after.

Mexico's Legal and Regulatory Requirements for Companies

Company formation runs through a notario público and the state-level Public Registry of Commerce (Registro Público de Comercio), but a newly incorporated company still has separate, mandatory registrations with SAT for its tax ID, with the RNIE for foreign investment, and, once it hires staff, with IMSS for social security.

Key Business Regulations in Mexico

  • Corporate income tax (ISR) is a flat 30% on taxable profit, with an additional 10% withholding tax on dividends paid out of profits generated since 2014 when distributed to non-resident shareholders, unless a double tax treaty reduces that rate
  • VAT (IVA) is charged at a standard rate of 16%, with a reduced 8% rate for qualifying businesses in the northern border free zone, extended through 2026, and a 0% rate on exports and certain foodstuffs and medicines
  • Foreign capital contributed to a Mexican company must be registered with the RNIE within 40 business days of the company beginning operations, a firm statutory deadline distinct from the incorporation timeline itself
  • Since February 2025, SAT no longer accepts a lease agreement alone as proof of a company’s fiscal address (domicilio fiscal) when registering for an RFC, a change that has made this step slower for companies renting rather than owning their registered premises
  • Mexico maintains no public register of a company’s beneficial owners. Controlling-beneficiary information, mandatory since a 2022 tax reform, is held by SAT and the notary rather than published, so ownership verification for a Mexican counterparty typically relies on the RFC and direct documentation rather than a searchable public database

Tips for Staying Compliant with Mexican Laws

  • Treat the 40-business-day RNIE registration deadline as a hard compliance date from the moment you start operating, not from the date of incorporation, since the clock runs from actual business activity beginning
  • Secure a genuine fiscal address you can document beyond a simple lease agreement before your RFC appointment, given SAT’s tightened proof-of-address requirements since February 2025
  • Book your SAT appointment for the RFC and e.firma well in advance, since appointment slots are frequently booked weeks out and this step is the most common bottleneck in the entire registration timeline
  • Get every foreign corporate document and power of attorney properly apostilled and translated by an authorised translator (perito traductor) before submission, since Mexican authorities reject documents that don’t meet these exact requirements rather than requesting a correction
  • If your business plans to buy real estate near the coast or a border, confirm early whether the property falls in Mexico’s restricted zone, within 50 kilometres of the coastline or 100 kilometres of an international border, where foreign direct ownership isn’t permitted and a bank trust structure (fideicomiso) or Mexican corporate ownership is required instead

Step-by-Step Process to Set Up a Company in Mexico

Setting up an S. de R.L. de C.V. or S.A. de C.V. in Mexico runs through a sequence of steps involving the Ministry of Economy, a notary, the state commercial registry, SAT and, for foreign capital, the RNIE, and the overall process realistically takes 8 to 12 weeks from start to a functioning bank account.

1

Reserve Your Company Name with the Ministry of Economy

Apply for a Permiso de Uso de Denominación o Razón Social from the Secretaría de Economía, confirming your proposed company name is available and reserving it for your incorporation. This is typically handled online and is one of the faster steps in the process, though it’s worth having two or three name options ready in case your first choice is already registered.

2

Draft the Acta Constitutiva with a Notario Público

In Mexico, incorporation must go through a notario público, a specialised lawyer appointed by the state who drafts the Acta Constitutiva, the company’s articles of incorporation, setting out its corporate purpose, capital structure, partners or shareholders, and management. This is a genuinely different process from jurisdictions that allow incorporation by private document alone, and the notary’s fees and the complexity of the deed both scale with the number of foreign shareholders and the documentation involved.

3

Register the Deed with the Public Registry of Commerce

The notary submits the executed Acta Constitutiva to the state-level Registro Público de Comercio, which formally records the company’s existence. Most states have migrated this to a digital system, commonly referred to as SIGER, but physical processing times still vary meaningfully by state and municipality, typically running 10 to 25 business days even where the digital system is in place.

4

Obtain your RFC and e.firma From SAT

The company’s legal representative attends an in-person appointment with SAT to register the company in the Registro Federal de Contribuyentes, presenting the notarised incorporation deed, proof of fiscal address, the representative’s own RFC and identification, and the power of attorney documenting their authority to act for the company. At the end of this appointment, SAT issues the company’s Cédula de Identificación Fiscal, confirming its RFC, and sets up the e.firma, the electronic signature the company needs for essentially all subsequent digital tax filings. As noted above, appointment availability is frequently the single longest wait in the whole registration process.

5

Register Foreign Capital with the RNIE and Open a Bank Account

Once the company begins operations, register any foreign capital contribution with the Registro Nacional de Inversiones Extranjeras within 40 business days, a step handled through the Ministry of Economy. In parallel, open a Mexican corporate bank account, which in practice is the step most likely to add unexpected time to your timeline, since Mexican banks apply thorough know-your-customer checks to foreign-owned entities and a missing apostille or an outdated corporate document is the most common cause of delay.

Hiring and Managing Employees

Mexican employment runs on the Ley Federal del Trabajo (LFT), and every employee must be registered with the Instituto Mexicano del Seguro Social (IMSS) before their first day of work, not after a probation period. Combined IMSS, INFONAVIT (the mandatory housing fund contribution) and related statutory costs typically add 30% to 35% on top of gross salary, covering health, disability, retirement, housing and other social insurance branches, with exact rates varying by the employee’s salary and the employer’s industry risk classification. Mexico’s 2026 general minimum wage is MXN 315.04 a day, up from MXN 278.80 in 2025, while the Northern Border Free Zone carries a higher minimum wage of MXN 440.87 a day, reflecting the region’s distinct economic conditions and its concentration of maquiladora manufacturing.

The most consequential recent change to Mexican employment law is the workweek reform. A constitutional amendment reducing the maximum workweek from 48 to 40 hours was published on 3 March 2026, with implementing changes to the Federal Labor Law following in the following months. The actual reduction phases in gradually starting 1 January 2027, cutting two hours a year, from 46 hours in 2027 down to 40 hours by 2030, and the law explicitly prohibits any reduction in wages or benefits as hours fall. Employers will also need to implement electronic time-tracking systems from January 2027, with non-compliance carrying fines running from roughly USD 1,600 to USD 32,500. Given the scale of this change, particularly for shift-based or continuous operations, a company planning Mexican hiring now should build the phased reduction into its multi-year workforce and cost planning rather than treating it as a distant compliance date.

Separately, the 2021 outsourcing reform fundamentally changed how personnel subcontracting works. It’s now illegal to lease or subcontract personnel to perform a company’s core business activities, and any company providing genuinely specialised services (services outside the client’s core business) to another business must be registered in REPSE (Registro de Prestadoras de Servicios Especializados u Obras Especializadas) with the Secretaría del Trabajo y Previsión Social, a registration that must be renewed every three years. Engaging an unregistered provider makes the payments non-deductible for tax purposes and exposes the client to joint liability for that provider’s unpaid IMSS and INFONAVIT obligations, so this is worth verifying directly on the STPS’s public REPSE portal before signing any services contract that touches personnel, including many Employer of Record and staffing arrangements.

Foreign employees need a temporary resident visa with permission to carry out paid activities, and the process starts with the employer, not the individual. The Mexican company first obtains a Constancia de Empleador (employer registration) from the Instituto Nacional de Migración, then submits the specific employment offer, which becomes the basis for the employee’s visa application at a Mexican consulate abroad. After entering Mexico, the employee has 30 calendar days to attend an INM appointment and exchange their visa for a physical resident card. Mexico also caps foreign nationals at 10% of a company’s total workforce under Article 7 of the Federal Labor Law, with limited exceptions for directors and specialised technical roles, a constraint worth factoring into workforce planning for a foreign-managed operation.

Given how much of Mexico’s compliance stack (IMSS, INFONAVIT, REPSE and CFDI payroll invoicing) sits outside a straightforward hiring process, a company that wants to move quickly or isn’t ready to incorporate first may find it more practical to work through an Employer of Record in Mexico, which takes on the legal employer role directly and keeps REPSE, IMSS and payroll obligations current without requiring a local entity to be set up first.

Tips for Recruiting and Retaining Local Talent

  • Consider a recruitment agency for technical and bilingual roles concentrated in Monterrey, Guadalajara, Mexico City and Querétaro, where nearshoring-driven demand has intensified competition for experienced engineering and technology talent
  • Budget the full 30% to 35% IMSS and INFONAVIT on-cost into hiring projections from the outset, rather than benchmarking purely against gross salary the way you might in a market with lighter statutory contributions
  • Start planning for the 2027 workweek reduction now if your operation runs shift work or continuous production, since adjusting scheduling and staffing models for a shrinking workweek takes real lead time
  • Verify any staffing or specialised-services provider’s REPSE registration directly on the STPS portal before signing, rather than accepting a provider’s own claim of compliance at face value

Financial Management and Reporting

Companies make monthly estimated ISR payments (pagos provisionales) based on projected annual income throughout the year, with a full annual reconciliation filed by 31 March of the following year. VAT is filed monthly through SAT’s Buzón Tributario, generally due by the 17th of the month following the reporting period. Every invoice in Mexico, including payroll, runs through CFDI, the country’s mandatory electronic invoicing system, and from 1 January 2026 payroll receipts specifically must comply with the updated CFDI Nómina 1.2 Revisión E format, a technical change that payroll software needs to support before that date rather than after.

Mexico’s 2026 tax reforms also strengthened penalties around invoice integrity. Under changes to the Federal Fiscal Code, a correctly stamped CFDI that documents a transaction the tax authority determines didn’t genuinely occur, sometimes called a simulated transaction, can be declared to have no tax effect at all and can trigger criminal prosecution carrying 3 to 8 years for the individuals involved, a meaningful escalation from purely administrative penalties. Companies working with related-party transactions or complex intercompany arrangements should have their invoicing and documentation reviewed with this heightened scrutiny specifically in mind.

Common Pitfalls to Avoid

  • Missing the 40-business-day RNIE deadline for registering foreign capital, since it runs from when operations start rather than from incorporation
  • Assuming a lease agreement alone will satisfy SAT’s fiscal address requirement for an RFC registration, a practice SAT stopped accepting in February 2025
  • Engaging a staffing or specialised-services provider without confirming active REPSE registration, which risks non-deductible payments and joint liability for the provider’s IMSS and INFONAVIT debts
  • Treating the 2026-2030 workweek reduction as a future problem rather than building it into current multi-year workforce and shift planning
  • Assuming Mexican company ownership can be verified through a public beneficial-ownership database, when this information is held privately by SAT and the notary rather than published

Tips for Operating Successfully in Mexico

Match your structure to how you actually plan to manage ownership and tax treatment rather than defaulting to whichever entity type is most commonly mentioned. The choice between an S. de R.L. de C.V. and an S.A. de C.V. genuinely matters for how a foreign parent’s home-country tax return treats the Mexican subsidiary, so this is worth resolving with a cross-border tax adviser before the notary drafts your Acta Constitutiva, not after.

Build banking timelines into your overall registration plan as their own separate risk, since KYC checks on foreign-owned entities routinely take longer than the entire notarial and registry process combined. A missing apostille or an outdated corporate document is consistently the single most common cause of delay, so assembling a complete, properly legalised document package before you start is worth the upfront effort.

Finally, treat Mexico’s current period of regulatory change, the workweek reform, tightened REPSE enforcement, and the unresolved USMCA negotiation, as a live planning input rather than background noise. A company that checks its compliance assumptions against current guidance each year, rather than carrying forward what was true two or three years ago, avoids the kind of costly correction that comes from acting on outdated information in a market moving this quickly.

Common Mistakes to Avoid

  1. Missing the RNIE foreign investment registration deadline, which runs from the start of operations rather than incorporation
  2. Assuming an S.A.S. is available to a foreign corporate investor, when it’s legally restricted to individual shareholders
  3. Underestimating how long SAT appointment availability adds to the RFC and e.firma registration timeline
  4. Signing a specialised-services contract without checking the provider’s REPSE status on the STPS public portal
  5. Ignoring the phased 2027-2030 workweek reduction when planning shift-based or continuous operations
  6. Assuming CFDI compliance is a one-time technical setup rather than an ongoing requirement that changes format, as it did again on 1 January 2026

Why Now is the Right Time to Register a Company in Mexico

Mexico’s position as the leading nearshoring destination for companies serving the US market remains genuinely strong, anchored by geography, workforce depth in cities like Monterrey and Querétaro, and full USMCA duty-free access that, as of mid-2026, is still fully in force even as its long-term terms are actively being renegotiated. A company that registers now enters a market where the fundamentals, workforce, logistics, time-zone alignment, and cost, remain compelling, while getting ahead of the labour changes already locked in rather than discovering them mid-operation.

That said, this is a genuinely transitional moment to register with eyes open rather than assumptions carried over from a few years ago. The 40-hour workweek reform is real, dated, and will reshape workforce costs and scheduling through 2030, and the USMCA’s unresolved joint review means a business building its investment case entirely around today’s tariff and duty treatment should watch the ongoing US-Mexico negotiations closely rather than treat current terms as permanently fixed. A company that plans around both the opportunity and these two live variables is better positioned than one registering on outdated assumptions about either the labour framework or the trade relationship underpinning nearshoring itself.

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Frequently Asked Questions

Much of the process can be handled remotely through a power of attorney granted to a local legal representative, who signs the Acta Constitutiva and manages the Public Registry of Commerce filing on the foreign shareholders' behalf. The genuine sticking point is the SAT appointment for the RFC and e.firma, which historically requires the legal representative's biometric registration in person, so at least one individual tied to the company typically needs to be physically present in Mexico at that stage, even if the shareholders themselves never travel.

There's no requirement that the legal representative be a Mexican citizen, but they do need to be a resident with a Mexican RFC of their own, since the power of attorney and SAT registration process both depend on the representative having an established tax identity in Mexico. A foreign national who is a Mexican tax resident, or a Mexican citizen, can both serve in this role, but a representative with no Mexican RFC at all cannot complete the registration steps that require one.

Mexican law requires eligible employers to distribute a share of annual profits to employees, calculated under a formula set in the Federal Labor Law, and this expense is deductible for corporate ISR purposes, which partially offsets its cash impact. Newly incorporated companies are generally exempt from PTU obligations during their first full year of operation, a detail worth confirming with a Mexican accountant for the specific incorporation date, since the exemption period is tied to the company's actual operating history rather than a fixed calendar date that applies uniformly to every new entity.

A foreign company generating income from Mexican-sourced activity without any local registration risks being deemed to have a permanent establishment under Mexican tax law regardless of its own view of its presence, which triggers Mexican tax obligations retroactively along with potential penalties for the unregistered period. This is a genuine risk for companies that send staff to Mexico for extended project work or maintain ongoing commercial activity without formalising a branch or subsidiary, and it's worth getting a specific assessment of whether your planned activity creates this exposure before assuming a lighter-touch presence avoids Mexican registration entirely.

Yes, and they sit on top of standard company registration rather than replacing it. The IMMEX (Industria Manufacturera, Maquiladora y de Servicios de Exportación) programme offers qualifying export-oriented manufacturers deferral on import VAT and customs duties for materials brought in for processing and re-export, but since 1 January 2025, all maquiladora operations must comply with mandatory Safe Harbor transfer pricing rules, a specific and detailed profit-margin methodology the tax authority applies to these operations. A company considering IMMEX status should treat the transfer pricing compliance as a core part of its Mexican tax setup from day one rather than an afterthought layered on once operations are already running.