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C permit in Switzerland: requirements and how to switch from B to C
When you can switch from a B to a C permit: 5 or 10 years, language rules, steps, documents, and the fees and processing times in seven cantons.
Immigration lawyers · Zürich
Wenger Vieli
Business law firm in Zürich and Zug with a migration team advising on non-EU permits, secondments, family reunification, cross-border commuters and naturalisation.
Checked by our editors · not yet confirmed by the business. We put this profile together from public information and checked it by hand; Wenger Vieli hasn’t confirmed the details yet, so some may be out of date.
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Services
- work permits
- residence permits
- family reunification
- secondments
- cross-border permits
- naturalisation
Languages
English, German
Where
Listed under
Details
- Legal name
- Wenger Vieli AG
- Listed since
- 24 September 2026
- Last updated
- 24 September 2026
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