The register
Smiths Detection Group Limited is licensed to sponsor on Global Business Mobility: Senior or Specialist Worker and Skilled Worker. Its entry on the register dates back to at least 2026, and the organisation is based in London, London. Its rating on the register is Worker (A rating).
At Companies House the business is Smiths Detection Group Limited (company number 05138140), a private limited company incorporated in 2004, 22 years ago. Registered office: C/O Smiths Detection-Watford Limited Century House, Maylands Avenue, Hemel Hempstead, Hertfordshire, HP2 7DE, HP2 7DE. By its SIC codes the business is in professional and technical services. It has traded under other names before, including Smiths Detection Holdco Limited, Alnery No. 2441 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.