unparalleled product design, development, testing and manufacturing capabilities


Senior Flexonics, Crumlin offers unparalleled product design, development, testing and manufacturing capabilities and is the Primary European Design and Development centre for thermal management, fluid conveyance and flexible connectors.

Using our dedicated business teams we can focus on serving our customers with the latest technologies and providing unique and diverse solutions.

About us

Serving markets with a range of products for passenger cars, commercial and off-highway vehicles.

Housed in a dedicated sales, research, development and prototyping site Senior Flexonics’ program of continuous improvement and innovation has enabled the delivery of cost effective, high performance products for the rapidly developing market place.

We provide a full service solution from concept design through to mass serial production. We scrutinise every part of our customers requirements which enables us to provide a truly bespoke solution that delivers value to the customer.

Read More

Approvals & Certifications

Senior Flexonics is an ISO certified company and all products are developed and manufactured in accordance with best practice.

Furthermore, all our programmes are run using the Advance Product Quality Planning (APQP) framework to ensure product quality and customer satisfaction is met.

Senior PLC

Senior PLC is an international manufacturing group with operations in 12 countries. It is listed on the main market of the London Stock Exchange (symbol SNR).

Senior designs, manufactures and markets high technology components and systems for the principal original equipment producers in the worldwide aerospace, defence, land vehicle and energy markets. The Group’s strategy is to focus upon sectors where it is positioned to benefit from both global market growth and increasingly stringent emission control legislation.

Senior delivers value to its customers and shareholders via operational excellence that is underpinned by its people, processes and innovation.