The register
Oncosem UK Limited is licensed to sponsor workers on Skilled Worker. The organisation is based in Braintree and has held its place on the register since at least 2026. The register records its rating as Worker (A rating).
Companies House lists it as Oncosem UK Limited, number 14413695, incorporated 2022: 4 years of filings behind the name. Registered office: 3 Warners Mill, Silks Way, Braintree, CM7 3GB, CM7 3GB. By its SIC codes the business is in manufacturing and engineering.
Holding a licence is the expensive, slow part done. For Oncosem UK Limited the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.