The register
The register lists Studio ISO Limited 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).
At Companies House the business is Studio Iso Limited (company number 14439952), a private limited company incorporated in 2022, 4 years ago. Registered office: 203 Ms. 204 Mare Street Studios, 203-213 Mare Street, London, E8 3JS, E8 3JS. By its SIC codes the business is in professional and technical 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.