The register
The register lists Alpha Therm Limited in Wrotham Heath, Kent 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 Alpha Therm Limited, number 00882439, incorporated 1966: 60 years of filings behind the name. The registered office is at Nepicar House, London Road, Wrotham Heath, Sevenoaks, Kent, TN15 7RS, TN15 7RS. Its filed activity puts it in manufacturing and engineering. It has traded under other names before, including Argos Building and Heating Supplies Limited, Argos Heating Supplies Limited.
For a candidate this means one less obstacle: Alpha Therm Limited already has the licence most employers would have to apply for. The rest is the ordinary job of getting the interview.