Information 24 October 2023 Regularisation of social security contributions: how does it work? Read more As a self-employed person, you pay quarterly social security contributions. These are calculated based on your estimated income. When the tax authorities forward your actual income to your social security fund 2 to 3 years later, the fund calculates your actual and final social security contributions. After this final calculation, there will be a regularisation.
Information 24 October 2023 How can you optimise your social security contributions? Read more If you are self-employed, you will have to pay quarterly social security contributions. During the first 3 years of your career, you pay provisional social security contributions, calculated from your estimated income.