Can I open a VAT number in Switzerland while maintaining my residence in Italy?

Yes, as a border worker with Permit G. It is mandatory to have a Swiss professional domicile (office/coworking) and demonstrate the actual exercise of the activity in Ticino.

What expenses can I deduct from Swiss taxable income?

Professional expenses directly related to the activity: office rent, materials, training, business trips, membership fees, social contributions (AVS/LPP) and interest expense.

What happens if I exceed the excess of €10,000?

Excess income is taxed in Switzerland with tax at source. In Italy, the tax credit is applied to avoid double taxation. Obligation to declare in both countries.

VAT number for Swiss border workers: requirements, taxes, social security (cross-border guide)

Di Marco Ferrari · Published on 22 August 2026

Freelancer working in a Lugano coworking space with lake view

Opening a self-employed business in Ticino as a border worker: legal requirements, tax differences with employees and social security obligations. Practical guide with verified data.

Context

In a nutshell

Border workers with a VAT number in Switzerland are subject to the new 2020 Agreement (in force since 2024)
Autonomous income taxed only in Switzerland with Italian tax credit
Swiss social contributions: AVS/AI/IPG (5.3%), AD/AC (1.1%) and LPP (7-18%)
LAMal health insurance obligation with option right for Italy

Key facts

What: Ticino border VAT registration requirements
When: New Frontier Agreement active from 1 January 2024
Where: Canton Ticino, Switzerland
Who: Cantonal tax administrations and AFC/ESTV
Amount: New frontier deductible €10,000 (old €7,500 transitory)

Freelance cross-border work in Switzerland requires careful planning. Unlike employee work, where withholdings are automatic, VAT holders must directly manage tax and social security. With the entry into force of the new Frontier Agreement (ratified by Italy with Law 83/2023), exemptions and tax coordination change from 2024.

Taxation: tax at source and double taxation

Income from self-employment of frontier workers is subject to Swiss source tax, withheld directly from the canton of work (Ticino). The rate depends on the income and the reference municipality of Ticino. Thanks to the Italy-Switzerland Double Taxation Convention (1976), Italy recognizes a tax credit for taxes paid in Switzerland, avoiding duplicate taxation. I

Operational details

Differences with employee work: what changes?

The tax and social security system for self-employed frontier workers has significant differences compared to employees:

Comparison of taxation

Employee: Tax at source automatically withheld by the Swiss employer. Default rates based on gross salary.
Self-employed: Annual income tax return to the AFC/ESTV. Calculation of taxes based on net income (revenues - deductible expenses). Obligation to make quarterly advance payments.

Social Security: more responsibilities for the self-employed

Employees benefit from social contributions divided between employer and worker (e.g. AVS/AI/IPG 5.3% total: 50% to be paid by the employer). The self-employed support the entire contribution burden (5.3% AVS/AI/IPG + 1.1% AD/AC). The second pillar (LPP) is often more generous to employees, with corporate contributions supplementing the personal share.

Practical scenario: when is the VAT number convenient?

Consider a border crossing that invoices CHF 120,000 per year. After deductions (business expenses 20%), the taxable income is CHF 96'000. Ticino source tax (average rate 12%) amounts to CHF 11,520. In Italy, the tax credit will offset this sum. Swiss social contributions: AVS/AI/IPG (5.3% on CHF 96'000 = CHF 5'088) + AD/AC (1.1% = CHF 1'056). Total social security charges:CHF 6,144. An employee with the same gross income would see social contributions split with the employer.

Lamal:

Useful planning tools

To estimate your pension strategy, use the pension planner and the pillar 3 simulator.

Key points

Operational steps to open a VAT number in Ticino

1. Registration with the Trade Register

Submit the application to the Ticino Trade Register with: identity document, valid G permit, deed of incorporation (if company) and proof of professional domicile in Switzerland. Cost: CHF 150-300.

2. VAT number request to AFC/ESTV

Fill in the VAT application form (available at ESTV.admin.ch). Mandatory if turnover exceeds CHF 100,000/year.

3. Social insurance enrollment

AVS/AI: Automatic with registration in the Commercial Register.
LPP: Choose a pension fund within 3 months of starting business.
LAINF: Contract with a recognized insurer (e.g. SUVA).
LAMal: Take out insurance within 3 months (list on BAG.admin.ch).

4. Accounting and reporting

Ordinary accounting obligation (revenues/costs, VAT, salaries). The use of certified software or tax consultants is recommended. Annual income tax return by 31 March of the following year.

Essential tools for self-employed border workers

Tax at source calculator: Simulate Ticino withholdings on FrontaliereTicino.ch/calcolatore
LAMal comparator: Find the most convenient health insurance in Ticino
Permit checklist: Check validity of Permit G and customs documents

⚠️ Attention: The Swiss tax deadlines (31 March) differ from the Italian ones (30

Frequently Asked Questions

Can I open a VAT number in Switzerland while maintaining my residence in Italy?: Yes, as a border worker with Permit G. It is mandatory to have a Swiss professional domicile (office/coworking) and demonstrate the actual exercise of the activity in Ticino.
What expenses can I deduct from Swiss taxable income?: Professional expenses directly related to the activity: office rent, materials, training, business trips, membership fees, social contributions (AVS/LPP) and interest expense.
What happens if I exceed the excess of €10,000?: Excess income is taxed in Switzerland with tax at source. In Italy, the tax credit is applied to avoid double taxation. Obligation to declare in both countries.