Haydale plc, through its subsidiaries, manufactures and commercializes plasma-functionalized graphene-based heating and thermal products across the United Kingdom, Europe, the United States, China, Thailand, South Korea, Japan, and other international markets. It also provides plasma functionalization services to third parties, along with graphene and other 2D materials, graphene underfloor heating, graphene inks, elastomer and rubber technology, LED lighting, and boron nitride. In addition, the company offers specialist plasma functionalization and grant-funded advanced materials consultancy services. Formerly known as Haydale Graphene Industries plc, it changed its name to Haydale plc in January 2026; the company was incorporated in 2010 and is headquartered in Ammanford, the United Kingdom.