The register
The register lists Deltatre 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. Rating on the current register: Worker (A rating).
Deltatre Limited is the registered name (Companies House number 04436986), a private limited company on the register since 2002. Registered office: 6th Floor, 55 New Oxford Street, London, WC1A 1BS, WC1A 1BS. By its SIC codes the business is in business services. It has traded under other names before, including Deltatre Media Limited, Delta Tre Media Limited.
For a candidate this means one less obstacle: Deltatre Limited already has the licence most employers would have to apply for. The rest is the ordinary job of getting the interview.