The register
Intumescent Systems Limited, Dover, Kent, holds a Home Office sponsor licence on the Skilled Worker route, and has been on the register since at least 2026. Rating on the current register: Worker (A rating).
Companies House lists it as Intumescent Systems Limited, number 02139649, incorporated 1987: 39 years of filings behind the name. Registered office: Charlton House, Dour Street, Dover, Kent, CT16 1BL, CT16 1BL. Its filed activity puts it in manufacturing. It has traded under other names before, including Itemvision Limited.
Holding a licence is the expensive, slow part done. For Intumescent Systems Limited the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.