Can I work undeclared (off the books) in Switzerland?
No — undeclared work is illegal. Under the Federal Act against Undeclared Work (BGSA), employers must register every employee with social insurance (AHV/IV/EO/ALV), account for the contributions and meet tax and immigration duties. Working or employing "off the books" breaches the law. For small wages (e.g. in a private household) there's the simplified accounting procedure: a simple annual settlement via the AHV compensation office with a flat withholding-tax rate of 5%. Breaches lead to back-payments, penalty surcharges on unpaid contributions and can mean exclusion from public contracts for up to five years. In short: no — every employment must be declared properly.
📋 The rules
- Employers must register staff with the AHV
- Account for contributions and taxes correctly
- Small wages: simplified accounting procedure (5%)
- Breaches: back-payment + penalty surcharges
- Exclusion from public contracts up to 5 years
🔓 Exceptions
- Simplified procedure: wage per person and total wage under set limits
- Penalty surcharge on contributions: 50% first time, up to 100% on repeat
- High costs if an unregistered worker has an accident
⚠️ Penalties & fines
Employing someone off the books means back-paying the contributions and, on conviction, owing a penalty surcharge on the unpaid AHV contributions (50% first time, up to 100% on repeat). On top come penalties under social-insurance, tax and immigration law, plus exclusion from public contracts and cuts to subsidies for up to five years. Beware a myth: "for a small cleaning job at home I needn't declare anything" is false — there's the simplified accounting procedure for that. Tip: declare every employment properly, use the simplified procedure for small wages via the compensation office, and clarify the duties in advance.
📎 Official sources
- SECO · simplified accounting procedure →
- BSV · undeclared work →
- Fedlex · Act against Undeclared Work (BGSA) →
❓ Frequently asked
Is undeclared work allowed in Switzerland?
No. Under the Federal Act against Undeclared Work, employers must register every employee with social insurance, account for the contributions and meet tax and immigration duties. Working off the books or employing someone off the books breaches the law and risks sanctions for both sides.
What is the simplified accounting procedure?
The simplified accounting procedure is an easy way to declare small wages correctly, for example in a private household. You account for the contributions once a year via the AHV compensation office, and tax is levied at source at a flat rate of 5 percent. It makes avoiding undeclared work straightforward.
What sanctions apply?
Employing off the books means back-paying the contributions and, on conviction, owing a penalty surcharge on the unpaid AHV contributions, 50 percent first time and up to 100 percent on repeat. There's also exclusion from public contracts and cuts to subsidies for up to five years.
Do I have to register a cleaner?
Yes. You must register a cleaner or other help in a private household with the AHV and account for the contributions. For such small wages the simplified accounting procedure is provided, which makes registration and accounting easy. Without registration it counts as undeclared work.
What happens in an accident without registration?
If an unregistered worker has an accident, you can face high costs, as there's no cover under the compulsory accident insurance. You may then be liable yourself for the consequences. For that reason alone it's worth declaring and insuring every employment correctly.
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