The register
The register lists BGFX Limited in Dartford, Kent as a licensed sponsor on Creative Worker, an entry that goes back to at least 2026. Its rating on the register is Temporary Worker (A rating).
Companies House lists it as Bgfx Limited, number 07130377, incorporated 2010: 16 years of filings behind the name. The registered office is at Devonshire House 582 Honeypot Lane, Stanmore, Middlesex, HA7 1JS, HA7 1JS. By its SIC codes the business is in it, software and media.
Holding a licence is the expensive, slow part done. For BGFX Limited the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.