The register
The register lists 4 Strings & Winds Ltd in St Albans as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. Rating on the current register: Worker (A rating).
4 Strings & Winds Ltd is the registered name (Companies House number 12773974), a private limited company on the register since 2020. Registered office: 65 Orbital Crescent, Watford, WD25 0HB, WD25 0HB. By its SIC codes the business is in retail.
Holding a licence is the expensive, slow part done. For 4 Strings & Winds Ltd the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.