The register
The register lists Unisea Maritime Limited in London as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. Its rating on the register is Worker (A rating).
Companies House lists it as Unisea Maritime Ltd, number 03998176, incorporated 2000: 26 years of filings behind the name. Registered office: 5 Market Yard Mews, 194-204 Bermondsey Street, London, SE1 3TQ, SE1 3TQ. Its filed activity puts it in business services.
For a candidate this means one less obstacle: Unisea Maritime Limited already has the licence most employers would have to apply for. The rest is the ordinary job of getting the interview.