The register
Boston 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 St Albans, Herts. Its rating on the register is Worker (A rating).
At Companies House the business is Boston Limited (company number 02771869), a private limited company incorporated in 1992, 33 years ago. Registered office: Unit 5, Curo Park, Frogmore, St. Albans, Hertfordshire, AL2 2DD, AL2 2DD. Its filed activity puts it in it, software and media.
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.