The register
The register lists B3 Designers Ltd 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).
B3 Designers Limited is the registered name (Companies House number 04526633), a private limited company on the register since 2002. Registered office: 51a Kingsway Place, Sans Walk, London, Greater London, EC1R 0LU, EC1R 0LU. Its filed activity puts it in professional and technical services. It has traded under other names before, including B3 Designs Limited, Goldenweb Associates Limited.
Holding a licence is the expensive, slow part done. For B3 Designers Ltd the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.