Solutions that make a difference

STS Defence are specialists in mission-critical communications and intelligent systems, and operate in markets including the defence, marine, aerospace and nuclear sectors.

We help our customers to resolve complex technical challenges; investigating and creating innovative solutions, designing and manufacturing assemblies and sub-assemblies, and integrating and supporting systems through‑life.

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We deliver communications systems and support to both the naval and land domains.


We manufacture equipment and assemblies for the civil and military aerospace sector.


We manufacture subsea cabling systems and are currently condition monitoring systems for shipping.


We provide integrated training solutions and safety consultancy to the nuclear and defence sectors.

What we offer

Research & Technology

We undertake research into new technologies that help our clients resolve complex technical problems.

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Design & Manufacture

We produce electronic and mechanical systems and sub-assemblies where quality and security are paramount.

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Integration & Support

We integrate electronic systems onto military platforms and provide integrated logistic support through-life.

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Supporting you from idea to in-service

Wherever you are in the product lifecycle, we can help.  We work out ways to exploit new technology. We help mature concepts into workable prototypes and small-batch production, and we integrate systems and equipment and support them through-life.

By operating across the life-cycle spectrum, we offer you an agile, low-risk and cost-effective way to investigate, develop, deploy and sustain technology that delivers results.

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News and Articles

13th November 2019

STS Defence shares in BAE System’s success, accepting the Chairman’s Business Leader Award – “50 Shades of Grey or a Black Box”

 The BAE Systems Chairman’s Award celebrates the work that makes you proud and recognising the people who are key to the success of the business.…
STS Defence engineers working on a two-stroke engine which featured their AI-based IConIC system BlogNews
17th October 2019

STS Defence is recognised by Riviera Maritime Media for its AI-based system, IConIC

Riviera Maritime Media, a maritime industry news and publishing company, with offices in London and Singapore, have recently interviewed our CTO, Dr David Garrity regarding…
14th September 2019

Another Successful year at DSEI 2019

STS Defence had yet another successful year at DSEi 2019, demonstrating all our capabilities from AI focused Technology and Research through to Engineering support and…

Case studies

Configurable Communications Masts

High reliability and configurable masts for maritime applications

Carry-on Bowman

Providing a secure voice and data communications network for boarding operations to improve situational awareness

Satellite communications for the Royal Navy

Integrated Logistic Support for Britain's warship and submarine fleets

Data Distribution System for Air Traffic Control

Distributing live and static data to Air Traffic Control operators at their positions, eliminating the time wasting and errors caused by misreading handwritten data.

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Join the team

Do you want to be part of a company that’s going somewhere?  We are looking for individuals with a passion for solving problems.  Whether you are an experienced technology professional or just starting out in your career, STS Defence offers you a chance to grow.

Find out more about working with usView our current vacancies