The register
The register lists Doble PowerTest Limited in Guildford, Surrey 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 Doble Powertest Limited, number 04405148, incorporated 2002: 24 years of filings behind the name. The registered office is at 5 New Street Square, London, EC4A 3TW, EC4A 3TW. Its filed activity puts it in professional and technical services.
For a candidate this means one less obstacle: Doble PowerTest Limited already has the licence most employers would have to apply for. The rest is the ordinary job of getting the interview.