The register
adthera bio Ltd, Birmingham, West Midlands, 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).
Adthera Bio Limited is the registered name (Companies House number 14372438), a private limited company on the register since 2022. Registered office: Lyndon House, 12th Floor, 62 Hagley Road, Birmingham, B16 8PE, B16 8PE. By its SIC codes the business is in professional and technical services.
Holding a licence is the expensive, slow part done. For adthera bio Ltd the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.