Proton Technologies Ltd

What this means

• This employer can sponsor Skilled Workers and assign Certificates of Sponsorship.
• Ongoing duties apply: right to work checks, reporting changes on the SMS and keeping records up to date.
• UKVI can suspend or revoke a licence without prior warning if duties are not met.

Based on the Home Office register last updated 26 Oct 2026. If anything looks wrong, check the official register on GOV.UK.

1. Sat, 24 October 2026
   Listed on the register (tracking started)

History is built from each daily register we import. Changes before we started tracking are not shown.