Johnson Matthey Plc

Johnson Matthey Plc is a British multinational speciality chemicals and sustainable technologies company headquartered in London, England. Founded in 1817 as a gold assayer, it has evolved into a global leader leveraging advanced metals chemistry expertise to address major challenges like climate change, energy supply, and emissions reduction. The company catalyses the net zero transition by providing innovative solutions to leading energy, chemicals, and automotive firms, enabling decarbonisation and lower harmful emissions. Its operations span four core businesses: Clean Air for emission control catalysts, Catalyst Technologies for refining and chemical processes, Hydrogen Technologies for clean energy applications, and Platinum Group Metals Services handling precious metals. Notable features include manufacturing plants in Europe, such as in North Macedonia and Poland, producing catalysts for vehicles and industrial uses. With a rich history including refining for the Bank of England and producing international measurement standards, Johnson Matthey Plc continues to shape sustainable technologies through its focus on platinum group metals and speciality chemicals.