The register
The register lists Hamlyn Williams Ltd in Cardiff 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 Hamlyn Williams UK Limited, number 15110265, incorporated 2023: 3 years of filings behind the name. Registered office: 167-169 Great Portland Street, 5th Floor, London, W1W 5PF, W1W 5PF. By its SIC codes the business is in recruitment and employment agencies. It has traded under other names before, including Meraki 1 Limited.
Holding a licence is the expensive, slow part done. For Hamlyn Williams Ltd the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.