The register
The register lists Heathrow Roofing and Building Services Ltd in Slough 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).
Heathrow Roofing and Building Services Ltd is the registered name (Companies House number 11015985), a private limited company on the register since 2017. Registered office: 62 Scholars Walk, Langley, SL3 8LY, SL3 8LY. Its filed activity puts it in other 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.