The register
The register lists Darwin Gray LLP in Cardiff 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).
Darwin Gray LLP is the registered name (Companies House number OC334452), a limited liability partnership on the register since 2008. Registered office: 9 Cathedral Road, Cardiff, CF11 9HA, CF11 9HA. It has traded under other names before, including Darwin Gray Limited Liability Partnership.
Holding a licence is the expensive, slow part done. For Darwin Gray LLP the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.