The register
The register lists HeaterUp Ltd in Swansea 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).
Heaterup Ltd is the registered name (Companies House number 15422340), a private limited company on the register since 2024. Registered office: 79 Uplands Crescent, Uplands, Swansea, SA2 0EX, SA2 0EX. By its SIC codes the business is in construction.
Holding a licence is the expensive, slow part done. For HeaterUp Ltd the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.