Senior Plc engages in the design, manufacture, and market of technology components and systems. It operates through the Aerospace and Flexonics segments. The Aerospace segments offers various products and systems for structures, fluid conveyance, and gas turbine engines. The Flexonics segments manufactures flexible automotive components and offers products for land vehicle emission control and industrial process control applications. The company was founded by David Lycett Green on December 18, 1933 and is headquartered in Rickmansworth, the United Kingdom.