The register
Carbon13 Venture Builder Limited, Cambridge, holds a Home Office sponsor licence on the Skilled Worker route, and has been on the register since at least 2026. Rating on the current register: Worker (A rating).
At Companies House the business is Carbon13 Venture Builder Ltd (company number 13987249), a private limited company incorporated in 2022, 4 years ago. Registered office: Salisbury House, Station Road, Cambridge, Cambridgeshire, CB1 2LA, CB1 2LA. Its filed activity puts it in business services.
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.