The register
N-Sea UK Ltd is licensed to sponsor on Global Business Mobility: Senior or Specialist Worker and Skilled Worker. Its entry on the register dates back to at least 2026, and the organisation is based in Chichester, West Sussex. Rating on the current register: Worker (A rating).
Companies House lists it as N-sea UK Limited, number 13452249, incorporated 2021: 5 years of filings behind the name. The registered office is at 19 Stoneleigh Court, Westcroft, Milton Keynes, MK4 4BS, MK4 4BS. By its SIC codes the business is in mining and quarrying.
A licence says an organisation may sponsor; it does not say it is hiring today. The way to find out is the same as for any employer: the careers page, the job boards, and a direct approach with a UK-style CV that says early that sponsorship would be needed.