The register
The register lists TSA Riley Limited in London as a licensed sponsor on Global Business Mobility: Senior or Specialist Worker and Skilled Worker, 2 routes in all, and has done since at least 2026. Rating on the current register: Worker (A rating).
Tsa Riley Limited is the registered name (Companies House number 14554456), a private limited company on the register since 2022. The registered office is at 3 Dorset Rise, London, EC4Y 8EN, EC4Y 8EN. Its filed activity puts it in professional and technical services. It has traded under other names before, including Henry Riley Consultants Limited, Henry Riley Newco Limited.
For a candidate this means one less obstacle: TSA Riley Limited already has the licence most employers would have to apply for. The rest is the ordinary job of getting the interview.