How is double taxation avoided for a self-employed person?

The self-employed person avoids double taxation by using the tax credit. The taxes paid in Switzerland on the tax at source are deducted from the IRPEF due in Italy, correctly filling in the EC framework of the model 730, in accordance with the agreements in force between the two countries.

What are the social security contributions required for self-employment?

The self-employed worker must pay the AVS/AI/IPG contributions. Although the percentage for employees is 5.3%, for the self-employed the rates may vary. You must register with the competent AVS compensation fund in the Canton of Ticino to regularize your social security position.

What changes for 'old' and 'new' frontiersmen with the new agreement?

The new agreement, in force from 1 January 2024, distinguishes between border workers who were already border workers before 17 July 2023, who benefit from a transitional regime until 2033 with an exemption of 7,500 euros, and new border workers, who benefit from an exemption of 10,000 euros.

Border VAT number: guide to self-employment in Switzerland

Di Marco Ferrari · Published on 12 July 2026 · Updated on 25 September 2026

Professional desk with a view of Lake Lugano

Learn how to manage self-employment in Switzerland as a border worker: requirements, taxation and social security in compliance with current regulations.

Context

In a nutshell

Autonomous business managed in Switzerland with specific tax obligations.
Withholding tax withheld in Switzerland, tax credit in Italy.
New tax agreement in force from 1 January 2024.
AVS/AI/IPG social security obligations required for self-employed workers.

Key facts

What: Exercise of self-employment in Switzerland.
When: In force with the rules of the new agreement from 1 January 2024.
Where: Canton of Ticino and Swiss territory.
Who: Federal Tax Administration (FTA).
Amount: AVS/AI/IPG 5.3% rates for employees, variables for self-employed.

The exercise of an autonomous activity in Switzerland by a citizen residing in Italy, or the so-called border worker, requires a precise understanding of the current regulatory framework. From 1 January 2024, the new agreement on border workers is in force, ratified in Italy with Law 83 of 13 June 2023. This legislation defines the methods of income taxation. It is essential to distinguish between the position of employee and that of self-employed worker. While for employees, tax at source is the rule, for the self-employed, tax management requires special attention to the Federal Tax Administration (FTA). The source tax is withheld in Switzerland, while Italy avoids double taxation through the tax credit mechanism in the EC framework of model 730. The

Operational details

Practical analysis for those who want to embark on an autonomous path requires assessing the substantial differences with respect to employee work. The management of the VAT number or the professional independence regime implies a direct responsibility towards the AFC. Unlike the employee, who sees the deductions made directly by the employer, the self-employed person must independently manage the calculation and payment of social security and tax charges. The comparison between the situation before 2024 and the current one shows greater regulatory clarity, but also a need for greater administrative rigor. For those who work from the Canton of Ticino, it is necessary to have an accounting structure capable of managing double taxation. The use of tools such as the tax calcolatore allows you to simulate the net tax burden, considering both the Swiss withholdings and the impact of the Italian personal income tax, which has levels of 23%, 33% and 43% depending on income.

Tax management scenarios

In a hypothetical scenario, a professional advising in Switzerland will have to constantly monitor their revenues. Since Italy applies a tax based on world income, the self-employed person must correctly indicate the income produced in Switzerland. The tax credit mechanism allows you to deduct the taxes paid in Switzerland from the personal income tax due in Italy, avoiding that the same income is taxed twice. However, the correct

Useful tools for your case

To verify your within/over 20 km tax scenario, use the net salary calculator and the tax return guide.

Key points

The procedure for starting a self-employed business in Switzerland as a cross-border commuter requires rigorous planning. The first step consists of identifying the legal form best suited to one's professional needs, while complying with Swiss laws regarding the practice of the profession. Subsequently, it is essential to proceed with registration with the competent cantonal authorities for business registration. Once authorization is obtained, the worker must register with the OASI compensation fund for the payment of social security contributions. Regulatory compliance is not limited to the payment of contributions, but includes proper bookkeeping, which is necessary for tax returns in both Switzerland and Italy.

Operational checklist for the self-employed

Every professional should follow a checklist to avoid penalties. First, verify the requirements for the work permit, which for cross-border commuters follows the SEM procedures. Second, define the tax residence regime, ensuring consistency with the rules of the MEF and the Revenue Agency. Third, manage LAMal insurance, sending the necessary documentation to the FOPH/BAG to confirm the option exercised. Fourth, monitor Italian tax deadlines for the payment of taxes and the submission of the 730 form, including the CE section for the tax credit. It is advisable to use the calculator to always have a clear picture of one's financial position. Do not forget to consult the official guides for pensions and OASI contributions, which are essential for building a solid future social security base. For those who have doubts about their situation, the portal provides comparison tools to evaluate the different options available. Proper management of every obligation, from the choice of health insurance to the completion of the tax return, is the only way to operate with peace of mind between the two countries. Long-term planning must also include the evaluation of the second and third pillars, where applicable to the chosen form of activity, to maximize overall social security efficiency.

Frequently Asked Questions

How is double taxation avoided for a self-employed person?: The self-employed person avoids double taxation by using the tax credit. The taxes paid in Switzerland on the tax at source are deducted from the IRPEF due in Italy, correctly filling in the EC framework of the model 730, in accordance with the agreements in force between the two countries.
What are the social security contributions required for self-employment?: The self-employed worker must pay the AVS/AI/IPG contributions. Although the percentage for employees is 5.3%, for the self-employed the rates may vary. You must register with the competent AVS compensation fund in the Canton of Ticino to regularize your social security position.
What changes for 'old' and 'new' frontiersmen with the new agreement?: The new agreement, in force from 1 January 2024, distinguishes between border workers who were already border workers before 17 July 2023, who benefit from a transitional regime until 2033 with an exemption of 7,500 euros, and new border workers, who benefit from an exemption of 10,000 euros.