STS Defence is a UK based technology and engineering business, specialising in mission-critical communications, electronics and intelligent systems. We operate in markets that include the defence, marine, aerospace and nuclear sectors. We help our customers to resolve complex technical challenges; investigating and creating innovative solutions, designing and manufacturing equipment and assemblies, and integrating and supporting systems through-life. Our independence, knowledge and agility means we can quickly understand our customers’ issues and requirements, and then develop robust, workable and cost-effective solutions that deliver.

Situated on the western shore of Portsmouth Harbour on the South Coast of the UK and with a workforce of approximately 150 employees, STS Defence offers a high quality, comprehensive and responsive service to our customers through a dedicated and flexible skill base.

Our focus on Quality, Cost & Delivery has resulted in a prestigious customer base that includes BAE Systems, Thales and the MoD, resulting in year on year growth.

The 1st Business in the UK accredited to NADCAP AC7120
The 1st Business in Europe accredited to NADCAP AC7121

The 1st Business in the World to achieve Merit status in both accreditations

We are also providers of high quality harsh environment products, connectors, penetrators, moulded cable assemblies, encapsulated components and bespoke design services.

Our products are being used in a wide variety of marine and harsh environments, including :-

Subsea instrumentation, sensors, and control systems
Autonomous and remotely operated surface and underwater vehicles.
Downhole instrumentation and logging systems
Military Communication and Control systems
Meteorological Buoy systems
Military Sonar systems
Land and Marine Seismic equipment
Offshore renewable energy