Johnson Matthey plc (LSE: JMAT) is a UK-based specialty chemicals and sustainable technologies company with long-standing expertise in catalysis and platinum group metals. Founded in 1817 and headquartered in London, it serves automotive, chemicals, energy, and industrial markets through a global network of manufacturing and R&D sites.
Core activities include: Clean Air, supplying emission control catalysts and systems for light- and heavy-duty vehicles and non-road applications; PGM Services, covering the sourcing, refining, recycling, and trading of platinum group metals and related metal management; Hydrogen Technologies, developing catalysts, components, and membrane electrode assemblies for fuel cells and electrolysers, plus hydrogen production and purification catalysts; and Catalyst Technologies, providing process catalysts and technology licensing for syngas, methanol, ammonia, formaldehyde, and other petrochemical and refining processes, including pathways to lower-carbon fuels and chemicals. The company’s capabilities span materials science, surface chemistry, and precious-metal circularity.
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