The register
The register lists Seamariner Limited in Southampton 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).
Seamariner Limited is the registered name (Companies House number 02745210), a private limited company on the register since 1992. The registered office is at Unit 12 Oak Barn Whitefield Business Park, Lepe Road, Langley, Southampton, SO45 1XR, SO45 1XR. Its filed activity puts it in recruitment and employment agencies.
What the licence tells a candidate is that the door is not locked. Whether it is open this month is a question for Seamariner Limited's own careers page and the job boards, and the answer changes with the season and the order book.