The register
The register lists GBL Advisors Ltd in London as a licensed sponsor on Global Business Mobility: Senior or Specialist Worker and Skilled Worker, 2 routes in all, and has done since at least 2026. Its rating on the register is Worker (A rating).
Companies House lists it as Gbl Advisors Limited, number 11159148, incorporated 2018: 8 years of filings behind the name. The registered office is at Fourth Floor, 15 Suffolk Street, London, SW1Y 4HG, SW1Y 4HG. Its filed activity puts it in professional and technical services.
For a candidate this means one less obstacle: GBL Advisors Ltd already has the licence most employers would have to apply for. The rest is the ordinary job of getting the interview.