Free Invoicing & Accounting Software for France

BusinessOS is a free invoicing platform for French auto-entrepreneurs, freelances, and small businesses. 20% TVA, SIRET and TVA intracommunautaire fields, EUR currency, and encrypted on-device storage. Free during limited early access.

French tax compliance features

• 20% TVA standard rate, 10% intermediate, 5.5% reduced, 2.1% special
• Auto-entrepreneur exemption support (no TVA under thresholds)
• SIRET and TVA intracommunautaire fields
• EUR (€) currency formatting
• Facture format meeting French Code de commerce requirements
• Sequential invoice numbering
• CSV export for tools like Freebe, QuickBooks France, or Sage

Cities and regions served

BusinessOS works everywhere with an internet connection to sign up — and fully offline after that. Currency, tax, and language settings adapt to your location. Popular cities:

• Paris
• Marseille
• Lyon
• Toulouse
• Nice
• Nantes
• Montpellier
• Strasbourg
• Bordeaux
• Lille
• Rennes
• Reims
• Saint-Étienne
• Toulon
• Le Havre

Built for these businesses

• Auto-entrepreneurs et freelances
• Consultants et prestataires de services
• Agences de marketing et studios de design
• E-commerçants
• Restaurants, cafés, et bars
• Commerces de détail
• Artisans et professionnels du BTP
• Photographes et créatifs
• Coachs et thérapeutes
• Professionnels du droit et de la santé en solo

Complete feature set

• Unlimited invoices and quotations
• One-click quote-to-invoice conversion
• Expense tracking with receipts
• Customer CRM with pipeline and trust scoring
• Product and inventory management
• Cash flow forecasting and tax set-aside
• P&L, balance sheet, and tax reports
• Multi-currency with automatic conversion
• Voice invoicing (English + Arabic)
• One-tap WhatsApp send on every invoice
• PDF export with your branding
• Zero-knowledge encryption
• Works fully offline
• Installs as a native app on any device

Privacy first

BusinessOS stores your data with zero-knowledge encryption. Everything is encrypted on your device with AES-GCM using a key derived from your password. If our servers are ever breached, an attacker only gets encrypted noise — not your revenue figures, customer list, or bank details.