← France hubs Smart Contract Auditor
France French (Français) € EUR
Samuel is a freelance smart contract auditor living in France, balancing high-stakes blockchain security work with the complexities of the French tax and social security system. This hub covers the essential national frameworks, tax portals, and professional protections he navigates daily.
Managing freelance income and social contributions is the biggest administrative burden for a tech freelancer.
Micro-entrepreneur status Auto-entrepreneur national · URSSAF
Who qualifies Freelancers with annual turnover below €77,700 for services.
What you get Simplified accounting and flat-rate social contribution calculation.
What it actually costs you Free registration; 21.1% to 23.1% of turnover paid as social charges.
Common gotcha You must declare turnover monthly or quarterly even if it is zero.
Cotisation Foncière des Entreprises national · Direction Générale des Finances Publiques
Who qualifies All self-employed individuals regardless of income.
What you get Local business tax contribution.
What it actually costs you Annual tax based on the rental value of your workspace.
Common gotcha First year is usually exempt, but you must file the declaration.
Impots.gouv.fr Professional Space national · Direction Générale des Finances Publiques
Who qualifies All tax-paying professionals in France.
What you get Centralized portal for VAT, income tax, and corporate filings.
What it actually costs you Requires a digital certificate or login credentials.
Common gotcha The interface is notoriously complex; use the 'Messagerie sécurisée' for help.
ACRE (Exemption for new businesses) Aide à la Création ou à la Reprise d'une Entreprise national · URSSAF
Who qualifies New business creators meeting specific income criteria.
What you get Partial exemption from social security contributions for the first year.
What it actually costs you Automatic application upon registration if criteria are met.
Common gotcha The exemption rate is sliding and depends on your income bracket.
Intra-community VAT number Numéro de TVA intracommunautaire national · Direction Générale des Finances Publiques
Who qualifies Freelancers providing services to EU-based clients.
What you get Ability to invoice without VAT under the reverse charge mechanism.
What it actually costs you Request via the professional tax portal.
Common gotcha Forgetting to include this number on invoices to EU clients leads to tax penalties.
CFE Exemption for low turnover national · Direction Générale des Finances Publiques
Who qualifies Micro-entrepreneurs with turnover below €5,000.
What you get Total exemption from CFE payment.
What it actually costs you Must file the declaration form 1447-C-SD.
Common gotcha Exemption is not automatic; you must declare your turnover correctly. Even as a freelancer, I need robust health coverage and access to the national system.
Assurance Maladie Ameli national · Sécurité Sociale
Who qualifies All residents working in France.
What you get Reimbursement of medical expenses (usually 70%).
What it actually costs you Requires a Carte Vitale.
Common gotcha Reimbursements are slow; always keep your bank details updated.
Complémentaire Santé (Mutuelle) private · Private Insurance Providers
Who qualifies Anyone covered by the state system.
What you get Covers the 'ticket modérateur' (the 30% not paid by the state).
What it actually costs you Monthly premium based on coverage level.
Common gotcha Check if your contract covers 'frais réels' for dental/optical.
Médecin Traitant Declaration national · Assurance Maladie
Who qualifies All adults in the French health system.
What you get Optimal reimbursement rates for specialist visits.
What it actually costs you A simple form signed by your GP.
Common gotcha Without a declared GP, specialist reimbursements drop significantly.
Mon Espace Santé national · Ministère de la Santé
Who qualifies All holders of a Carte Vitale.
What you get Centralized digital health records.
What it actually costs you Activation via your Carte Vitale number.
Common gotcha You must manually opt-in to share documents with doctors.
Indemnités Journalières national · Assurance Maladie
Who qualifies Freelancers who have paid social contributions for a minimum period.
What you get Income replacement during illness.
What it actually costs you Medical certificate sent within 48 hours.
Common gotcha The waiting period for freelancers is often longer than for employees.
Examen de prévention en santé national · Assurance Maladie
Who qualifies All insured persons.
What you get Free comprehensive health check-up.
What it actually costs you Appointment booking at a local health center.
Common gotcha Often overlooked; it's a great way to get a full screening for free. Auditing smart contracts requires constant learning; I need to fund my certifications.
Compte Personnel de Formation national · Caisse des Dépôts
Who qualifies Anyone who has worked in France.
What you get Annual credit (€500/year) to spend on certified training.
What it actually costs you Free account; requires FranceConnect login.
Common gotcha Credits expire if you don't use them or if the rules change.
FranceConnect national · DINUM
Who qualifies Any French resident with a tax or health account.
What you get Single sign-on for all government services.
What it actually costs you None.
Common gotcha Keep your credentials secure; it is the master key to your digital identity.
BPI France Support national · BPI France
Who qualifies Tech entrepreneurs and freelancers.
What you get Access to business coaching and innovation grants.
What it actually costs you Application process can be lengthy.
Common gotcha Focus on the 'Deeptech' or 'Digital' sections for relevant grants.
CCI Business Advice Chambre de Commerce et d'Industrie national · CCI France
Who qualifies Registered business owners.
What you get Consultation on business scaling and legal structures.
What it actually costs you Membership fees included in your business taxes.
Common gotcha They are a great resource for networking, not just paperwork.
Afdas Training Fund national · Afdas
Who qualifies Freelancers in creative or digital sectors.
What you get Funding for specialized technical training.
What it actually costs you Requires proof of professional activity.
Common gotcha Must apply before the training starts.
Service Public Professional Portal national · Direction de l'information légale et administrative
Who qualifies Everyone.
What you get The definitive guide to all French legal and administrative procedures.
What it actually costs you None.
Common gotcha Always check the 'Dernière mise à jour' date on articles. My home is my office; I need to know about housing rights and energy subsidies.
Aide Personnalisée au Logement national · CAF
Who qualifies Low-income earners, including some freelancers.
What you get Monthly housing allowance.
What it actually costs you Income declaration to the CAF.
Common gotcha Freelance income is assessed based on previous years, which can be tricky.
Energy Voucher Chèque énergie national · Ministère de la Transition écologique
Who qualifies Households based on taxable income.
What you get Voucher to pay electricity or gas bills.
What it actually costs you Automatic if you file your taxes.
Common gotcha It is sent by mail; don't throw it away thinking it's junk.
Property Tax Taxe foncière national · Direction Générale des Finances Publiques
Who qualifies Property owners.
What you get Local tax contribution.
What it actually costs you Annual payment.
Common gotcha Rates vary significantly by municipality.
MaPrimeRénov' national · Anah
Who qualifies Homeowners for energy efficiency upgrades.
What you get Grant for insulation, heating, or ventilation.
What it actually costs you Requires certified contractors.
Common gotcha Apply BEFORE starting any work.
Mandatory Tenant Insurance private · Insurance Companies
Who qualifies All tenants.
What you get Liability and property coverage.
What it actually costs you Annual premium.
Common gotcha You must provide proof of insurance to your landlord annually.
Household Waste Tax national · Local Authorities
Who qualifies Property occupants.
What you get Waste collection services.
What it actually costs you Usually included in property tax or rent.
Common gotcha Often confused with other local taxes.
One honest app. Real lives, real businesses. Free for what people need, paid only for what runs a business — on our own model, our own metal.
Where we run
Bangalore + Czechia
Our own metal · GDPR · DPDPA
