The register
Grey Advertising Limited, London, holds a Home Office sponsor licence covering 2 routes: Global Business Mobility: Senior or Specialist Worker and Skilled Worker. It has been on the register since at least 2026. The register records its rating as Worker (A rating).
Grey Advertising Limited is the registered name (Companies House number 00539916), a private limited company on the register since 1954. Registered office: Sea Containers, 18 Upper Ground, London, SE1 9RQ, SE1 9RQ. Its filed activity puts it in professional and technical services. It has traded under other names before, including Grey London Limited, Grey Limited.
What the licence tells a candidate is that the door is not locked. Whether it is open this month is a question for Grey Advertising Limited's own careers page and the job boards, and the answer changes with the season and the order book.