The register
The register lists The Collinson Group 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).
The Collinson Group Limited is the registered name (Companies House number 11141096), a private limited company on the register since 2018. The registered office is at 3 More London Riverside, 5th Floor, London, SE1 2AQ, SE1 2AQ. Its filed activity puts it in other services. It has traded under other names before, including Collinson Investments Limited.
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.