The register
The register lists Bristol Laboratories Limited in Berkhamstead, Hertfordshire 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. Rating on the current register: Worker (A rating).
Companies House lists it as Bristol Laboratories Limited, number 03393503, incorporated 1997: 29 years of filings behind the name. Registered office: Unit 3 Canalside, North Bridge Road, Berkhamsted, Hertfordshire, HP4 1EG, HP4 1EG. By its SIC codes the business is in pharmaceuticals.
A licence says an organisation may sponsor; it does not say it is hiring today. The way to find out is the same as for any employer: the careers page, the job boards, and a direct approach with a UK-style CV that says early that sponsorship would be needed.