Simulators and practical tools

Estimate the non-deductible portion of the depreciation or lease payments on a company vehicle based on its CO₂ rate (article 39-4 of the French Tax Code (CGI)) and the additional corporation tax.

Calculate the annual CO₂ tax and the pollutant tax on a company vehicle (formerly TVS), according to the WLTP or NEDC standard, the engine type and the period of use.

Calculate the net amount received on your dividends with the single flat-rate levy, in an SAS or SARL (portion subject to TNS contributions above 10% of the capital).

Convert net salary to gross and total employer cost, monthly or annually, for a manager or non-manager. Indicative estimate with a breakdown of contributions.

Estimate the statutory severance payment for dismissal, mutually agreed termination or incapacity based on the reference salary and length of service, with a breakdown by band.

Calculate mileage expense reimbursement using the 2026 tax scale (car, motorbike, moped, electric vehicle) and print the month's expense report.

Estimate the social security contributions of a self-employed worker (tradesperson, retailer, liberal profession): health, pension, protection, CSG-CRDS and family allowances.

Calculate the monthly payment, total cost of credit and amortisation schedule of your loan, with constant payments or constant amortisation. PDF and Excel export.

Calculate the break-even point, break-even date and safety margin of your business from revenue, margin rate and fixed costs.

Calculate the WACC, the discount rate used in business valuation: cost of equity using CAPM, after-tax cost of debt and financing structure.

Produce the supplier and customer payment terms tables required by article D.441 I. of the French Commercial Code from your FEC (standard audit file), processed in the browser.

Check in one go the filing of your clients' annual accounts with the commercial court registry from their SIREN, year by year, using public BODACC data.

Does your company, association or training organisation need to appoint a statutory auditor? Check the thresholds of Decree no. 2024-152: balance sheet, revenue, headcount.

Calculate the distributable profit of your SARL, SAS or SA after retained earnings and allocation to the legal reserve, and the maximum distribution capacity.

Estimate the disbursements for a legal formality in 2026: company formation, amendment, dissolution, filing of accounts. Registry fees, legal notice and RBE.

Add a discreet watermark repeated diagonally across every page of a PDF, free of charge. Processing takes place in your browser, without uploading the file.

View the calendar of key tax and social security deadlines for businesses, kept up to date by Auriom, chartered accountant in Paris.