The register
The register lists Generics [UK] Ltd t/a Mylan in Hatfield, 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 Generics (U.K.) Limited, number 01558756, incorporated 1981: 45 years of filings behind the name. The registered office is at Station Close, Potters Bar, Hertfordshire, EN6 1TL, EN6 1TL. By its SIC codes the business is in pharmaceuticals. It has traded under other names before, including Hackremco (no.59) Limited.
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.