Social solidarity contribution of companies

This is the contribution based on the company's turnover calculated net of turnover taxes and assimilated taxes and is therefore intrinsically linked to economic reality.

This contribution concerns 20,000 taxpayers in 2018 for a budget of € 3.8 billion.

Our offer

Despite its single rate (0.16%), the calculation of its base remains subtle and can be subject to errors: many companies declare and pay an excessive amount of C3S each year. Certain specific deductions are applicable and allow the adjustment of this tax: we help you pay the right amount of tax.


Identification of optimization levers and risk areas.


Support for the tax and financial department in securing and optimizing your declarations

Follow-up and support

Implementation of recommendations according to a schedule to be defined together

Your profits

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Social solidarity contribution of companies


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