• Full payroll management for both French and U.S. entities, including salary processing, tax withholdings, social contributions, and coordination with local payroll providers (PEO / EOR when relevant). • Monthly pay slips, employer declarations, and year-end reporting (W-2, DSN, etc.).

• Design and implementation of employee benefits packages adapted to local regulations: health insurance, retirement plans (401k, PEE, PERCO), meal vouchers, and other perks. • Benchmarking of benefits to remain competitive in both markets.

• Preparation of offer letters, employment contracts, and confidentiality agreements in compliance with local labor laws (France & U.S.). • Support for onboarding procedures (administrative setup, payroll registration, benefits enrollment).

• Structuring compensation packages for employees transitioning between France and the U.S. (expatriates, remote workers, transfers). • Coordination of tax, payroll, and benefits to ensure compliance and financial efficiency across jurisdictions. • Support for visa or relocation-related HR formalities.