Blog
Practical guides, news and tips about SIRET numbers, SIREN and business management in France.
How to Create a Company in France: Complete Guide 2026
Everything you need to know about starting a business in France: legal forms, administrative steps, costs, and practical tips.
Legal Forms of French Companies: SARL, SAS, SA, Auto-entrepreneur...
Complete comparison of legal structures available in France: advantages, disadvantages, taxation, and how to choose.
History of the SIRENE System: From 1973 to Today
Discover the origins and evolution of the French business identification system managed by INSEE.
SIRET and Intra-Community VAT Number: What You Need to Know
Understanding the relationship between SIRET and VAT identification number for European trade.
How to Find a Company's SIRET Number: All Methods
Practical guide to finding the SIRET number of any French company using official and free resources.
Auto-Entrepreneur and SIRET: Complete Guide to Getting Started
Everything about SIRET for auto-entrepreneurs: how to get it, where to use it, and common mistakes to avoid.
APE Code / NAF Code in France: Definition, List and Usage
Everything about the APE/NAF code assigned to every French company: how it is structured, how it is assigned by INSEE, where to find yours and why it matters.
Extrait Kbis: The Essential French Company Document Explained
What is an extrait Kbis, what information does it contain, how to obtain it for free in 2026, and when you need to present it.
RCS Number: Business Registration in France Explained
What is the RCS number, who must register, how the number is formatted, and the difference with SIREN and SIRET.
RNA and SIRET for French Associations: Complete Guide
Does your association need a SIRET or just an RNA number? Understand the difference and when each identifier is required.
SIREN, SIRET, RNA: Key Differences Between French Business Identifiers
A clear comparison of SIREN, SIRET, RNA, RCS, APE and TVA numbers: what each means, who uses it, and how they relate to each other.
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