The register
CLS UK Intermediate Holdings Ltd, London, holds a Home Office sponsor licence covering 2 routes: Global Business Mobility: Senior or Specialist Worker and Skilled Worker. It has been on the register since at least 2026. Rating on the current register: Worker (A rating).
Companies House lists it as Cls UK Intermediate Holdings Ltd., number 03391758, incorporated 1997: 29 years of filings behind the name. The registered office is at Exchange Tower, 1 Harbour Exchange Square, London, E14 9GE, E14 9GE. By its SIC codes the business is in business services. It has traded under other names before, including Cls UK Holdings Ltd., Cls Services Ltd..
A licence says an organisation may sponsor; it does not say it is hiring today. The way to find out is the same as for any employer: the careers page, the job boards, and a direct approach with a UK-style CV that says early that sponsorship would be needed.