The register
The register lists Clinigen Limited in Burton-on-Trent, Staffordshire as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. The register records its rating as Worker (A rating).
Companies House lists it as Clinigen Limited, number 06771928, incorporated 2008: 17 years of filings behind the name. The registered office is at Pitcairn House Crown Square, Centrum 100, Burton On Trent, Staffordshire, DE14 2WW, DE14 2WW. By its SIC codes the business is in professional and technical services. It has traded under other names before, including Clinigen PLC, Clinigen Group PLC.
Holding a licence is the expensive, slow part done. For Clinigen Limited the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.