The register
The register lists Heathrow Building Supplies Ltd in Staines-Upon-Thames 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).
Companies House lists it as Heathrow Building Supplies Ltd, number 12841269, incorporated 2020: 6 years of filings behind the name. Registered office: Stanwell Farm Bedfont Road, Stanwell, Staines-Upon-Thames, TW19 7LY, TW19 7LY. By its SIC codes the business is in wholesale.
For a candidate this means one less obstacle: Heathrow Building Supplies Ltd already has the licence most employers would have to apply for. The rest is the ordinary job of getting the interview.