The register
The register lists B&G Double Glazing 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).
Companies House lists it as B&G Double Glazing Limited, number 11813121, incorporated 2019: 7 years of filings behind the name. The registered office is at 1146a Green Lane, Dagenham, RM8 1BP, RM8 1BP. By its SIC codes the business is in construction.
Holding a licence is the expensive, slow part done. For B&G Double Glazing Ltd the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.