The register
The register lists Wellcom London 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. The register records its rating as Worker (A rating).
Companies House lists it as Wellcom London Limited, number 00979521, incorporated 1970: 56 years of filings behind the name. Registered office: 1 Berry Place, London, EC1V 0JD, EC1V 0JD. By its SIC codes the business is in professional and technical services. It has traded under other names before, including Keene Repro Limited, Keene Engraving Company 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.