How to Register as a Micro-Entrepreneur in France as an American: URSSAF, SIRET Number, and Your First Social Contributions

The micro-entrepreneur regime (formerly called auto-entrepreneur) is France's simplified self-employment framework: a single registration gives you a legal business identity, a SIRET number, and access to a streamlined social contributions system. For Americans living in France who want to consult, freelance, offer services, or run a small trading business, it is the most accessible starting point. The registration process itself, since it moved to the INPI guichet unique in 2023, takes approximately 30 minutes online. What takes more planning is the step before that: confirming you have a visa or residence permit that authorizes professional activity in France, because without the right authorization, registering a micro-entreprise creates a legal contradiction with your immigration status. This article covers both: which immigration statuses allow or prohibit registration, the step-by-step registration process, how social contributions work, what the income caps are, and the tax implications specific to Americans. This article is for informational purposes only and does not constitute immigration or legal advice. Rules change, and your situation may differ: always verify current requirements with the relevant French authorities or a licensed immigration professional.

Which Americans Can Register as a Micro-Entrepreneur: The Immigration Status Check

The first question before touching any registration form is whether your current visa or carte de séjour authorizes professional activity in France. This is not a formality: registering a business without the authorization to work in France creates a contradiction between your business registration records (which are public) and your immigration status, and it can have consequences at permit renewal.

If you are still outside France and need the right immigration status first, start with the profession libérale visa that lets US freelancers work in France.

The visitor visa (visa visiteur or carte de séjour visiteur) explicitly prohibits any professional activity in France, whether employed or self-employed. If you hold a visiteur status, you cannot legally register as a micro-entrepreneur in France. This is one of the most common misunderstandings among Americans who arrive on the visiteur visa, note that it permits a one-year stay, and assume it permits working remotely or consulting for French clients. It does not. The visitors category is designed for individuals who can support themselves from pre-existing income, not for those generating new professional income from a French business registration. For the full analysis of what the visitor visa does and does not permit, see our article on working remotely in France on a visitor visa.

The following statuses do permit registration as a micro-entrepreneur in France:

The salarié visa or carte de séjour salarié authorizes employment in France. A salarié permit holder can also register as a micro-entrepreneur on the side, provided their employment contract does not prohibit parallel self-employment (some employment contracts include non-compete or exclusivity clauses) and provided the micro-entrepreneur activity is in a different field from their employment.

The passeport talent visa and carte de séjour are specifically designed for skilled professionals, artists, researchers, investors, and senior executives. Most passeport talent subcategories authorize the holder to undertake professional activity in France, including self-employment. For Americans considering this pathway, see our dedicated passeport talent guide for the qualifications and application process.

The vie privée et familiale carte de séjour authorizes employment and self-employment in France for holders who obtained it through family ties or established private life in France.

The étudiant carte de séjour authorizes part-time work in France (up to 964 hours per year for most student categories). A student can register as a micro-entrepreneur, but the total professional time must remain within the work authorization limits.

If you are currently on a visiteur status and want to register a business in France, the path requires changing your visa category before registration. The correct visa for most professional entrepreneurs without French employment is the passeport talent in the appropriate subcategory, or a profession libérale visa, or in some cases a salarié status with a French company. An immigration attorney or a relocation specialist can advise on which category fits your specific professional activity. For the general long-stay visa landscape, see our France long-stay visa guide.

What the Micro-Entrepreneur Regime Is and Its 2026 Income Caps

The micro-entrepreneur (ME) regime is a simplified tax and social contribution system for small businesses and individual service providers in France. It is not a company: there is no share capital, no separate legal entity, and no annual accounts to file. The business is registered as an individual sole trader operating under the micro-entrepreneur framework.

The regime has specific income caps (seuils de chiffre d'affaires) beyond which you must move to a standard business structure. For 2026, the caps are approximately:

Commercial activities (buying and selling goods, accommodation provision): €188,700 per year. Service activities subject to BIC (bénéfices industriels et commerciaux): €77,700 per year. Liberal professions subject to BNC (bénéfices non commerciaux, which covers most consulting, professional services, and intellectual work): €77,700 per year.

If your annual turnover exceeds the applicable cap in two consecutive years, you automatically exit the micro-entrepreneur regime and must register under a standard regime (EIRL or EURL for most sole traders). The caps are adjusted periodically. Verify the current official figures on the service-public.fr page for micro-entrepreneurs before your registration.

The micro-entrepreneur regime is available for most types of individual professional activity except certain regulated professions (agriculture, most healthcare professions, legal professions, and notarial work) which have their own registration and social contribution frameworks.

One important distinction for Americans: if you plan to offer services to clients outside France, including US clients, the income counts toward your French micro-entrepreneur turnover. The nationality of your clients does not exempt the income from the French regime's caps or contribution calculations.

Step-by-Step Registration Through the Guichet Unique

Since January 2023, all new business registrations in France, including micro-entrepreneur registrations, are processed through the guichet unique (single window) operated by the INPI (Institut National de la Propriété Industrielle) at formalites.entreprises.gouv.fr. The previous system of declaring directly on the autoentrepreneur.urssaf.fr website has been replaced.

Step 1: Create an account on formalites.entreprises.gouv.fr. You need a valid email address. The interface is in French.

Step 2: Select "Créer une entreprise" and then "Entrepreneur individuel" (individual entrepreneur). Do not select a company structure (SARL, SAS) unless you specifically intend to form a company rather than operate as an individual micro-entrepreneur.

Step 3: Select the micro-entrepreneur (régime de la micro-entreprise) option when prompted for your tax and social contribution regime.

Step 4: Provide your personal identity information: name, date of birth, nationality, French address, and identity document. For Americans, the system will ask for your foreign nationality. Your carte de séjour or passport details will be required.

Step 5: Describe your business activity. This is where you select your activity code (code APE or NAF), which categorizes the nature of your work. The system provides a searchable list. Choose the code that most closely matches your primary activity. The activity code determines which social contribution rate applies and which professional bodies (if any) you may need to notify.

Step 6: Provide your bank account details. A dedicated business bank account is not legally required for micro-entrepreneurs, but it is strongly recommended and required once your turnover exceeds a certain threshold. Opening a dedicated account from the start keeps your business finances clean and simplifies accounting.

Step 7: If your activity requires a professional qualification or falls under a regulated profession, you will need to provide documentation at this stage.

Step 8: Submit the registration. Processing typically takes one to five business days. You will receive your SIRET number by email and your official business registration confirmation.

The SIRET number is the 14-digit identifier for your business establishment in France. It is derived from your SIREN number (the 9-digit company identifier) plus a 5-digit establishment code. Once registered, your SIRET is public information in the INPI's national business registry (RNE). Your clients may ask for your SIRET on invoices; French businesses are legally required to include it on all commercial documents.

In our experience, the most common registration error for Americans on the guichet unique is selecting an activity code that is too broad or too narrow. The activity code affects your social contribution rate and your professional classification. If you are uncertain which APE code applies to your specific work (this is common for consultants, coaches, and knowledge workers), it is worth spending time on this step rather than rushing. The INPI's helpdesk or a French accountant (expert-comptable) can advise on the most appropriate code.

Social Contributions: How URSSAF Works for Micro-Entrepreneurs

URSSAF will ask for your RIB immediately on registration, and your clients will ask for it on every invoice. Our guide to the French RIB and IBAN system for American expats explains how to read the document, what each field means, and why the format confuses most American clients the first time they see it.

The micro-entrepreneur social contribution system (cotisations sociales) is administered by URSSAF. Rather than paying contributions on estimated annual income in advance (as standard businesses do), micro-entrepreneurs pay contributions as a flat percentage of their actual monthly or quarterly declared turnover. If you declare zero turnover, you pay zero contributions for that period.

The social contribution rates for 2026 (as of the current knowledge) are approximately:

Commercial activities (BIC vente): approximately 12.3% of turnover. Service activities (BIC services): approximately 21.2% of turnover. Liberal professions (BNC): approximately 23.1% of turnover, though note that if your liberal profession activity is covered by a specific professional pension fund (CIPAV or similar) rather than the general regime, the rate and breakdown differ.

These rates cover all social contributions: health insurance (Assurance Maladie), pension (retraite), disability, and family allowances. They are calculated on gross turnover, not on profit. Because the contribution base is turnover rather than profit, the micro-entrepreneur regime is most advantageous when profit margins are high (service and knowledge work) and less favorable for activities with significant material costs, since there is no deduction for expenses.

Contributions are declared either monthly or quarterly, your choice at registration. Monthly declarations smooth the cash flow impact; quarterly declarations reduce administrative frequency. For Americans accustomed to quarterly estimated tax payments to the IRS, the rhythm of quarterly URSSAF declarations will feel familiar.

Declarations are made through your URSSAF online account (urssaf.fr). You log in, enter your turnover for the period, and the system calculates the contribution due. Payment is made by direct debit or bank transfer. Late declarations and late payments generate automatic penalties.

Once registered, URSSAF will also affiliate you with the French Assurance Maladie (CPAM) for health coverage purposes, provided you meet the residency and activity requirements. The micro-entrepreneur social contributions include health coverage contributions, and after a qualifying period, you become eligible for CPAM coverage on the basis of your professional activity rather than the standard PUMa residency route.

The Versement Libératoire: Paying French Income Tax Through URSSAF

Micro-entrepreneurs have the option to pay their French income tax simultaneously with their social contributions, through a simplified mechanism called the versement libératoire de l'impôt sur le revenu (VFL). Under this option, you pay a flat percentage of your turnover as income tax directly to URSSAF alongside your social contributions, and this payment fully discharges your French income tax obligation on that business income.

The VFL rates are: 1% for commercial activities, 1.7% for service activities, and 2.2% for liberal professions.

The VFL option is available only if your household income (revenu fiscal de référence) in the prior year was below a specified threshold (approximately €27,794 per year for a single person in the household in 2026, based on the year N-2 revenu fiscal de référence, verified on service-public.fr each year). Americans with significant US-source income will often find that their revenu fiscal de référence as declared on their French income tax return exceeds this threshold, making the VFL option unavailable.

If the VFL is not available (which will be the case for most Americans with substantial US income), your micro-entrepreneur income is declared on your French income tax return (Form 2042-C PRO) and taxed at your applicable marginal rate, with a standard deduction applied (71% for commercial activities, 50% for services, 34% for liberal professions) to arrive at taxable income. This standard deduction replaces the actual expense deduction: you cannot deduct your real business expenses under the micro-entrepreneur regime. In practice, Americans with significant US-source investment or retirement income rarely qualify for the VFL and are surprised to find that their French micro-entrepreneur income is taxed at a marginal rate pushed upward by the US income appearing on their French return.

For Americans, the micro-entrepreneur income also flows into the cross-border tax picture: US-source micro-entrepreneur income (earned from US clients) is earned income for US tax purposes and must be declared on the US return. French-earned income may qualify for the Foreign Earned Income Exclusion (FEIE) depending on your filing method. The interaction between the FEIE, the French income tax on micro-entrepreneur earnings, and the VFL option is sufficiently complex to warrant dedicated treatment with a cross-border tax advisor. For the broader French income tax framework, see how to fill your first French income tax return as a self-employed American.

What Changes When You Cross the Income Cap

If your turnover exceeds the micro-entrepreneur cap in two consecutive years, you automatically transition to a standard tax regime (régime réel). This is not an administrative penalty but a structural transition, and it changes the tax picture significantly.

Under the régime réel, you can deduct actual business expenses from your taxable income. For activities with significant costs, this is more favorable than the micro-entrepreneur flat deduction. However, the regime requires more accounting rigor: proper bookkeeping, annual accounts, and more detailed tax returns.

Before reaching the income cap, consider whether the micro-entrepreneur structure remains appropriate for your business scale. Many Americans who start as micro-entrepreneurs and grow their activity transition to an EURL (Entreprise Unipersonnelle à Responsabilité Limitée) or SASU (Société par Actions Simplifiée Unipersonnelle) at some point to gain better expense deductibility, more favorable social contribution structures for higher income levels, and better separation of personal and business liability.

For Americans who anticipate significant professional income in France from the start, the micro-entrepreneur regime may not be the optimal structure from day one. A French accountant (expert-comptable) can model the social contribution and tax outcomes under different structures for your specific income projections. If your revenue grows beyond the micro-entrepreneur income caps, the next step is a full company structure — our guide to setting up a SARL or SAS in France as an American covers when to make the switch and how to register.

Common Mistakes to Avoid

Registering as a micro-entrepreneur on a visiteur visa is the most serious error, with direct consequences for your immigration status. The business registration creates a public record that is visible to administrative authorities. What we see most often is Americans who have researched the registration process thoroughly without first confirming their visa authorizes professional activity, and who discover the conflict at permit renewal time.

Choosing the wrong activity code at registration creates downstream problems with social contribution rates and professional classification. The APE code affects your URSSAF rate, and in some cases your membership obligations to professional bodies. If your activity description is ambiguous (consulting, coaching, advisory services, digital services), take time on this step or ask an expert-comptable to advise.

Forgetting to declare a period of zero turnover is a common URSSAF error. If you have no activity in a given declaration period, you must still submit a declaration showing €0 turnover. Failure to declare, even for a zero period, generates automatic penalty notices from URSSAF. In our experience, Americans who are used to the US system of not filing quarterly estimates when there is no income make this mistake in their first quarter.

Assuming the standard abattement (flat deduction) under the micro-entrepreneur regime covers all your actual costs can lead to unexpected tax results. If your actual business expenses are significant (equipment, software subscriptions, professional travel), the flat deduction may leave you paying income tax on income you did not effectively retain. Model this against the régime réel before deciding which structure fits.

Not keeping separate financial records for the business, even when using a personal account, creates accounting problems at year-end. Maintain a clear, separate record of all business income and expenses from day one, even if operating from a personal account initially.

Practical Checklist

Before registering: confirm your visa or carte de séjour authorizes professional activity in France. If uncertain, verify with an immigration professional before proceeding.

Choose your activity and the appropriate APE/NAF code. If your activity spans multiple categories, identify the primary code.

Decide on your declaration frequency (monthly or quarterly) and whether you will open a dedicated business account before registering.

Register at formalites.entreprises.gouv.fr. Have your passport or carte de séjour, French address, and bank account details ready.

After receiving your SIRET: create your URSSAF online account at urssaf.fr and register your bank account for direct debit.

Set a recurring calendar reminder for your declaration periods. Do not miss a declaration period, even for zero turnover months.

Issue invoices that comply with French legal requirements: your full name, address, SIRET number, activity description, invoice number, date, service description, unit rate, total, applicable VAT status (most micro-entrepreneurs are initially exempt from TVA below a certain threshold), and your client's details.

Declare your micro-entrepreneur income on your French income tax return each year using Form 2042-C PRO. Consult a cross-border tax advisor on the interaction with your US filing.

For the full healthcare setup context after establishing your business, see how to get your Carte Vitale and CPAM coverage in place.

When to Get Help

The registration process itself is manageable independently for most Americans with the right visa and a clear business activity. The guichet unique is navigable with translation tools, and the URSSAF declaration system is straightforward once set up.

The situations that benefit from professional support are: uncertainty about whether your current visa authorizes your specific business activity; choosing between the micro-entrepreneur regime and a company structure (EURL or SASU) from the start; modeling the French income tax and social contribution impact of your specific projected income; managing the cross-border US-French tax obligations on business income; or navigating the transition out of the micro-entrepreneur regime if your income grows beyond the cap.

A French expert-comptable who works with foreign nationals is the most practical advisor for the accounting and tax dimensions. For the immigration dimension, a licensed immigration professional can confirm your visa's scope. Our end-to-end relocation service covers the business setup questions that arise during the first year of French residency alongside the broader administrative setup sequence.

FAQ

Can I register as a micro-entrepreneur in France on a visitor visa?

No. The visitor visa (visa visiteur) and the corresponding carte de séjour visiteur explicitly prohibit any professional activity in France, including self-employment and registration as a micro-entrepreneur. The visitor status is designed for individuals who can support themselves from pre-existing income sources without generating new income from professional activity on French soil. Registering a business under this status creates a contradiction with your immigration authorization. The correct path is to obtain a visa that authorizes professional activity, such as the passeport talent in an appropriate subcategory, before registering your business. See our article on working remotely in France on a visitor visa for the full analysis of what the visitor visa does and does not permit.

What is a SIRET number and what do I need it for?

A SIRET (Système d'Identification du Répertoire des Établissements) number is the unique 14-digit identifier assigned to your business establishment in France when you register. It is derived from your SIREN (a 9-digit company identifier) plus a 5-digit establishment code. The SIRET is the equivalent of a business registration number in the French system. You must include it on all commercial invoices and official business documents. French clients and companies will ask for it before engaging your services. Banks require it to open a business account. Administrative institutions use it to identify your business for tax and social contribution purposes. It appears automatically on your registration confirmation and on documents you receive from URSSAF.

What are the social contribution rates for a micro-entrepreneur in France?

Social contributions are paid to URSSAF as a flat percentage of your declared turnover. For 2026, the approximate rates are: 12.3% for commercial (trading) activities, 21.2% for BIC service activities, and 23.1% for liberal professions (BNC). These rates cover all social protections: health insurance, pension rights, disability, and family allowances. Because contributions are calculated on turnover rather than profit, the micro-entrepreneur regime is most advantageous when your profit margins are high. If a significant portion of your turnover goes to direct costs (materials, subcontractors), the effective contribution rate as a percentage of profit is higher. Current rates are published on urssaf.fr and updated periodically.

Do I need to speak French to register as a micro-entrepreneur?

The guichet unique registration platform (formalites.entreprises.gouv.fr) and the URSSAF portal are in French. You do not need certified French language ability to use them, but you need to understand what you are filling in. The registration forms are structured and relatively predictable, and translation tools handle them adequately for most steps. The more nuanced questions, such as the activity code selection and the tax regime choice, benefit from either French language ability or the advice of an expert-comptable or advisor who can guide you through those specific decisions in English. The URSSAF itself also has an English-language information line for international inquiries.

What happens to my micro-entrepreneur registration if I leave France or my visa changes?

If you move out of France or your immigration status changes to a status that no longer authorizes professional activity (for example, you transition to a visiteur status or leave France entirely), your micro-entrepreneur registration does not automatically close. You are responsible for formally closing (radiation) your business through the guichet unique. A business that is registered but no longer generating income and for which you are no longer making declarations will accumulate missed declaration penalties. If you are leaving France, close your micro-entreprise formally before or immediately after your departure. The radiation process is done through the same guichet unique platform used for registration.

Conclusion

The micro-entrepreneur registration process in France is genuinely accessible for Americans who have the correct immigration authorization. The guichet unique has streamlined what was previously a multi-step process across different platforms, and the URSSAF declaration system is straightforward to use. What requires planning is not the registration itself but the preparatory steps: confirming your visa authorizes professional activity, selecting the right activity code, and setting up your accounting and declaration habits from day one.

If you are planning a move to France and want to understand how business setup fits into the broader relocation sequence, our end-to-end relocation service covers the administrative setup for Americans arriving as entrepreneurs or self-employed professionals alongside housing, banking, and healthcare setup.