The group's principal activities are the manufacture of electronic materials; the production of advanced multilayer printed circuit boards and plastic laminate packages for semiconductors; the manufacture of catalysts and pollution control systems and pharmaceutical compounds; the refining, fabrication and marketing of precious metals and speciality chemicals; and the manufacture of decorative and specialised materials for the ceramic industries.

Johnson Matthey has continued to develop its technology for over 180 years, demonstrating the company's ability to maintain world leadership by adapting constantly to rapidly changing customer needs. Rigorous in its own environmental policies, many of Johnson Matthey's products have a beneficial impact on the environment.

Johnson Matthey has operations in 38 countries and employs 12,600 people. Its products are sold across the world to a wide range of advanced technology industries.