The register
The register lists Claystation Ltd in London as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. Its rating on the register is Worker (A rating).
Claystation Ltd is the registered name (Companies House number 14918760), a private limited company on the register since 2023. The registered office is at 5 Canon Court, Institute Street, Bolton, BL1 1PZ, BL1 1PZ. By its SIC codes the business is in arts, sport and leisure.
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.