The register
The register lists Heathfield School in Ascot, Berkshire 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).
At Companies House the business is Heathfield School (company number 00556463), a company limited by guarantee incorporated in 1955, 71 years ago. The registered office is at The Bursar's Office, Heathfield School London Road, Ascot, Berkshire, SL5 8BQ, SL5 8BQ. By its SIC codes the business is in education. It has traded under other names before, including Heathfield St. Mary's School, Heathfield School.
Holding a licence is the expensive, slow part done. For Heathfield School the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.