The register
Rockwool Ltd is licensed to sponsor on Skilled Worker and Global Business Mobility: Senior or Specialist Worker. Its entry on the register dates back to at least 2026, and the organisation is based in Bridgend, Bridgend. The register records its rating as Worker (A rating).
At Companies House the business is Rockwool Limited (company number 00972252), a private limited company incorporated in 1970, 56 years ago. Registered office: Rockwool Site, Pencoed, Bridgend, Bridgend County Borough, CF35 6NY, CF35 6NY. By its SIC codes the business is in manufacturing and engineering. It has traded under other names before, including Rockwool Company (U.K.) Limited.
What the licence tells a candidate is that the door is not locked. Whether it is open this month is a question for Rockwool Ltd's own careers page and the job boards, and the answer changes with the season and the order book.