The register
EnSilica, Abingdon, Oxfordshire, holds a Home Office sponsor licence covering 3 routes: Global Business Mobility: Senior or Specialist Worker and Global Business Mobility: Graduate Trainee and Skilled Worker. It has been on the register since at least 2026. Rating on the current register: Worker (A rating), Temporary Worker (A rating).
Companies House lists it as Ensilica PLC, number 04220106, incorporated 2001: 25 years of filings behind the name. Registered office: 100 Park Drive, Milton Park, Abingdon, Oxfordshire, OX14 4RY, OX14 4RY. Its filed activity puts it in it, software and media. It has traded under other names before, including Ensilica 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.