Haydale plc, through its subsidiaries, engages in the manufacturing and commercialization of plasma functionalized graphene-based heating and thermal products in United Kingdom, Europe, the United States, China, Thailand, South Korea, Japan, and internationally. It also offers plasma functionalization for third parties. In addition, it provides graphene and other 2D materials; graphene underfloor heating; graphene inks; elastomer and rubber technology; led lighting; functionalized; and boron nitride. Further, it is involved in specialist plasma functionalization; and provision of grant funded advanced materials consultancy services. The company was formerly known as Haydale Graphene Industries plc and changed its name to Haydale plc in January 2026. Haydale plc was incorporated in 2010 and is headquartered in Ammanford, the United Kingdom.