The register
The register lists The Charles Group 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 The Charles Group Limited, number 05331830, incorporated 2005: 21 years of filings behind the name. Registered office: 105 Seven Sisters Road, London, N7 7QR, N7 7QR. By its SIC codes the business is in professional and technical services. It has traded under other names before, including Charles Group Consultants Limited, Charles Property Consultants Limited.
Holding a licence is the expensive, slow part done. For The Charles Group Limited the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.