The register
The register lists Realty Corporation Ltd in Barnet 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 Realty Corporation Limited, number 10757555, incorporated 2017: 9 years of filings behind the name. Registered office: 159 High Street, Barnet, EN5 5SU, EN5 5SU. Its filed activity puts it in property.
Holding a licence is the expensive, slow part done. For Realty Corporation Ltd the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.