The register
R3 Limited is licensed to sponsor on Skilled Worker and Global Business Mobility: Senior or Specialist Worker. Its entry on the register dates back to at least 2026, and the organisation is based in London. The register records its rating as Worker (A rating).
At Companies House the business is R3 Limited (company number 10103259), a private limited company incorporated in 2016, 10 years ago. The registered office is at Orion House, 5 Upper St. Martin's Lane, London, WC2H 9EA, WC2H 9EA. Its filed activity puts it in professional and technical services. It has traded under other names before, including R3 LRC LTD.
For a candidate this means one less obstacle: R3 Limited already has the licence most employers would have to apply for. The rest is the ordinary job of getting the interview.