Your employer must report it to the Home Office, which will usually shorten (curtail) your visa, typically giving you around 60 days (or until your visa expiry, if sooner) to find a new licensed sponsor, switch to another visa route, or leave the UK. It is stressful but survivable: start applying immediately, target sponsors on the GOV.UK register, and do not work without valid permission. Get the exact current rules from GOV.UK.
Updated July 2026