BSPCE (Bons de Souscription de Parts de Créateur d'Entreprise) are French startup equity warrants granted to employees, directors and advisors of qualifying young French companies (under 15 years old, closely held). They give the right to subscribe to company shares at a fixed strike price, with highly favourable tax treatment — capital gains are taxed at 30% flat tax if shares are held 3+ years, versus standard income tax for most other incentive instruments. Their valuation uses option pricing models (Black-Scholes), and their grant requires IFRS 2 personnel expense recognition over the vesting period.

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Example: a French healthtech startup grants 50,000 BSPCE at CHF 8 strike (current value CHF 12) to its CTO. Black-Scholes value (40% volatility, 4-year maturity, 1.0% risk-free rate): CHF 6.50 per BSPCE — total value CHF 325,000, recognised as IFRS 2 expense over 4-year vesting. At exit at CHF 35 per share, the CTO's net capital gain of CHF 1.35 million (50,000 × CHF 27) is taxed at 30% flat tax — a significant after-tax advantage versus standard bonus compensation.

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Hectelion values BSPCEs for IFRS 2 reporting, acquisition due diligence dilution analysis and fundraising cap table modelling.