Provided certain criteria are met, Swiss National working for an EU employer are generally allowed to provide services in the UK without the need to obtain a work permit. This means that established Swiss employees of an EU company in the EU may come to the UK to provide a service on behalf of the relevant company without a work permit, if they meet the relevant conditions. Entry clearance is mandatory.
Swiss National Visa
Swiss National Visa Basic Requirements
Swiss National Visa Entitlements
Applicants who enter as a Swiss National Visa are allowed to live and work in the UK for as long as the employer requires their services. There is no processing fee for this visa.
Applicants can include their dependants on this extension if they’re already in the UK, and include their partner and children and applicants can switch into this category from another visa.