The register
OSL UK PVT Limited, London, holds a Home Office sponsor licence covering 2 routes: Global Business Mobility: Senior or Specialist Worker and Skilled Worker. It has been on the register since at least 2026. Rating on the current register: Worker (A rating).
At Companies House the business is OSL UK PVT LTD (company number 13064534), a private limited company incorporated in 2020, 5 years ago. The registered office is at 1 Chapel Street, Warwick, CV34 4HL, CV34 4HL. By its SIC codes the business is 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.