The register
The register lists Rnt UK Limited in London 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 Rnt UK Limited, number 11313008, incorporated 2018: 8 years of filings behind the name. The registered office is at 338a Regents Park Road, Office 3 And 4, London, N3 2LN, N3 2LN. Its filed activity puts it in wholesale. It has traded under other names before, including Genco Procurement Limited.
Holding a licence is the expensive, slow part done. For Rnt UK Limited the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.