Who can sponsor employment in London for a Tier 2 visa? Forums: Immigration 3147 reads Lots of companies can sponsor Work Visas for UK! As long as the employer is registered with the Home Office and can issue certificates of sponsorship, then they can sponsor you for a work visa. In recent years there has been lots of changes to the work visa rules - in particular the quota number and criteria for UK work visas. You should check with us on the current status. Our primary services are to advise contract workers based in London, but we also understand visas for permanent work in UK.