title: Versarien (Longhope) — historical description: “AIM graphene/composite story. UK graphene subsidiaries entered administration 2025; plc administrators Jan 2026.” tags:

  • manufacturing
  • historical

Evidence: Companies House + contemporaneous business press. Not a living mill page.

Parent: directory · history

What it was

Versarien plc, Longhope Business Park, Monmouth Road, Gloucestershire (Units 1A–D). AIM from 2013. Graphene admixture language included Cementene. Acquired Cambridge Graphene and 2-DTech in the mid-2010s in company/trade copy. Cheltenham Chosen View Road also appears as an office address.

Status (do not list as operating)

  • Jul 2025: company said it could not sell certain UK technology assets; expected Versarien Graphene Ltd into administration; Cambridge Graphene Ltd and 2-DTech Ltd toward voluntary liquidation; Korea ops ceased (Graphene-Info recap of the RNS).
  • Companies House: Versarien Graphene Limited (07475659) — administrator appointed Aug 2025; registered office moved to Leonard Curtis, Manchester.
  • 6 Jan 2026: Versarien plc joint administrators Andrew Knowles and Andrew Poxon (Leonard Curtis). Shares had been suspended. Remaining assets in that notice: patents/trademarks plus shareholdings in Total Carbide Ltd and Gnanomat SL, described as still trading solvent.

File here as history until a buyer of the graphene kit files a new operating address.