A Switzerland Work Visa is generally issued as a long-stay national visa (Type D) and is typically valid for one year, tied to the duration of the employment contract. It may be renewed annually as long as employment continues and the conditions remain unchanged. In some cases, multi-year permits may be issued for longer contracts. However, the validity is always dependent on the employer’s sponsorship and compliance with Swiss immigration rules. Over time, work visa holders may apply for a residence permit if they meet eligibility requirements, allowing longer stays and potential progression toward permanent residency.