The register
CNX Therapeutics Limited, London, holds a Home Office sponsor licence on the Skilled Worker route, and has been on the register since at least 2026. Its rating on the register is Worker (A rating).
At Companies House the business is Cnx Therapeutics Limited (company number 03363032), a private limited company incorporated in 1997, 29 years ago. The registered office is at 3 Bunhill Row, London, EC1Y 8YZ, EC1Y 8YZ. Its filed activity puts it in wholesale. It has traded under other names before, including Sunovion Pharmaceuticals Europe Ltd., Sunovion Pharmaceuticals Europe. Ltd.
Holding a licence is the expensive, slow part done. For CNX Therapeutics Limited the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.