Company Story
1817 - Founding of the company by Percival Norton Johnson as a gold assayer in London
1851 - Johnson's business was acquired by George Matthey, a silversmith
1852 - The company was renamed Johnson Matthey
1874 - The company developed the first reliable process for refining platinum
1904 - Johnson Matthey was incorporated as a limited company
1919 - The company developed the first catalytic converter for the automotive industry
1957 - Johnson Matthey went public with an initial public offering (IPO)
1970s - The company expanded into the production of fuel cells and other clean energy technologies
2000s - Johnson Matthey acquired several companies, expanding its presence in the pharmaceutical and catalyst markets
2010s - The company continued to invest in clean energy and sustainable technologies