The register
The register lists Knowcross Limited 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).
Companies House lists it as Knowcross Limited, number 09150220, incorporated 2014: 12 years of filings behind the name. Registered office: 10 John Street, London, WC1N 2EB, WC1N 2EB. By its SIC codes the business is in it, software and media.
For a candidate this means one less obstacle: Knowcross Limited already has the licence most employers would have to apply for. The rest is the ordinary job of getting the interview.