Why choose Hayot Expertise for Courbevoie / La Défense?
Courbevoie and La Défense form Europe's leading economic hub with 3,500 companies, 180,000 jobs and 15 million m² of office space. Whether you run a startup, an international group subsidiary or an SME, our firm located steps from La Défense provides tailored accounting, tax and social support. Chartered accountant Courbevoie — La Défense, Hayot Expertise combines proximity and technical excellence to secure your growth.
Our expertise tailored to your business
Corporate HQs & Group Subsidiaries
Group tax optimization, fiscal integration, consolidated reporting, transfer pricing and French subsidiary compliance for multinationals based in La Défense.
Startups & French Tech
R&D Tax Credit, JEI status, fundraising, stock options and BSPCE — we support La Défense startups from seed to IPO.
The economic ecosystem of Courbevoie / La Défense
La Défense is Europe's premier business district and the economic heart of Greater Paris. Courbevoie hosts the headquarters of TotalEnergies, Société Générale, Saint-Gobain, Allianz and hundreds of startups in La Défense incubators (Def'Hub, Paris-Saclay Incubator). The district concentrates 25% of CAC 40 headquarters and attracts thousands of international investors each year.
Practical Guide — Doing Business in Courbevoie / La Défense
Everything you need to know about doing business in Courbevoie / La Défense
Headquarters taxation and fiscal integration
Groups based in La Défense can optimize their taxation through the fiscal integration regime (Article 223 A of the French Tax Code). This mechanism allows offsetting subsidiary results: losses from some reduce profits from others. The 15% corporate tax rate on the first €100,000 of profit (2026 Finance Bill) strengthens attractiveness. We structure your group to maximize these savings.
R&D Tax Credit and innovation in La Défense
Startups and R&D centers in La Défense can benefit from the CIR (30% of research expenses up to €100M). Eligible expenses include researcher salaries, patents, technology watch and prototypes. JEI status additionally provides a 44% social contribution exemption on researcher salaries. We secure your CIR file against tax authority audits.
Fundraising and capital structure
La Défense is a major fundraising hub. We support startups in structuring their funding rounds: pre-money valuation, BSPCE for employees, shareholders' agreements, accounting and financial due diligence. Our experts prepare your files for investors (VC, business angels, Bpifrance).
Corporate real estate and property optimization
Rents in La Défense range from €400 to €800/m²/year depending on the tower. The choice between a standard commercial lease, a derogatory lease (Article L. 252-1 of the Commercial Code) and office center domiciliation directly impacts your cash flow. We analyze the true cost of your location and optimize the deductibility of your property expenses.
Frequently asked questions — Chartered accountant in Courbevoie / La Défense
Answers to questions entrepreneurs in Courbevoie / La Défense ask most