The register
Adsec Group, Romford, holds a Home Office sponsor licence on the Skilled Worker route, and has been on the register since at least 2026. Its rating on the register is Worker (A rating).
At Companies House the business is Adsec Group Limited (company number 03674810), a private limited company incorporated in 1998, 27 years ago. Registered office: 3 Coldbath Square, London, EC1R 5HL, EC1R 5HL. By its SIC codes the business is in business services. It has traded under other names before, including Advanced Cleaning & Security Limited, Advanced Cleaning & Security Services Limited.
For a candidate this means one less obstacle: Adsec Group already has the licence most employers would have to apply for. The rest is the ordinary job of getting the interview.