The register
The register lists Trayport 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. Its rating on the register is Worker (A rating).
Companies House lists it as Trayport Limited, number 02769279, incorporated 1992: 33 years of filings behind the name. Registered office: 2 Gresham Street, 3rd Floor, London, EC2V 7AD, EC2V 7AD. By its SIC codes the business is in it, software and media. It has traded under other names before, including Trayport Computers Limited.
For a candidate this means one less obstacle: Trayport Limited already has the licence most employers would have to apply for. The rest is the ordinary job of getting the interview.