The register
The register lists Improbable Worlds Ltd in London 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. The register records its rating as Worker (A rating).
At Companies House the business is Improbable Worlds Limited (company number 08070525), a private limited company incorporated in 2012, 14 years ago. Registered office: 10 Bishops Square, London, E1 6EG, E1 6EG. By its SIC codes the business is in it, software and media. It has traded under other names before, including Macsco 47 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.