The register
The register lists Smart Heating Maintenance Limited in London as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. Rating on the current register: Worker (A rating).
Companies House lists it as Smart Heating Maintenance Ltd, number 11393668, incorporated 2018: 8 years of filings behind the name. Registered office: Basement, 180 Shirland Road, London, W9 3JE, W9 3JE. By its SIC codes the business is in construction.
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.