The register
The register lists Alstom Engineering and Services Limited in Derby 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).
At Companies House the business is Alstom Engineering and Services Limited (company number 02235994), a private limited company incorporated in 1988, 38 years ago. Registered office: Litchurch Lane, Derby, Derbyshire, DE24 8AD, DE24 8AD. By its SIC codes the business is in manufacturing and engineering. It has traded under other names before, including Bombardier Transportation UK Ltd, Daimlerchrysler Rail Systems (U.K.) Ltd.
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.