Senior plc

seniorplc.com

Senior plc is a UK-based multinational engineering group that designs and manufactures high-precision components and systems for aerospace, defense, land vehicle, power and energy, and industrial process markets. The company is headquartered in Rickmansworth, England, operates manufacturing facilities across North America, Europe, and Asia, and is listed on the London Stock Exchange (ticker: SNR) as a member of the FTSE 250.

Senior operates through two divisions: Aerospace and Flexonics. The Aerospace division supplies airframe and engine components such as rigid and flexible fluid conveyance systems, ducting, honeycomb structures, composite parts, precision-machined components, and thermal management assemblies for commercial and military aircraft. The Flexonics division produces metallic bellows, flexible connectors, expansion joints, heat exchangers, and engineered thermal systems used in on- and off-highway vehicles, power generation, oil and gas, and other process industries.

For chemical and petrochemical applications, Senior’s Flexonics products support fluid handling and thermal control in process piping and equipment, including pressure and vibration management, emissions-related systems, and heat exchange solutions. Many components are manufactured from high-performance alloys and composites to meet corrosive and high-temperature service requirements.

Latest news on Senior

3 February 2026
Arkema and Senior Collaborate on Next-Gen Battery Materials

The collaboration aims to enhance battery performance, safety, and efficiency through advanced materials and separator technologies, supporting innovation in the global battery market.