STS Defence, a part of the Cicor Group, is a UK-based engineering and technology company specialising in mission-critical, secure communications & networks, electronic warfare & control and instrumentation systems. We operate primarily in the Naval and Air Defence markets, helping our customers to resolve complex technical challenges by delivering innovative solutions and programmes; designing and assembling equipment & systems, as well as integrating and supporting capability through-life. Situated on the western shore of Portsmouth Harbour on the South Coast of the UK and with a workforce of approximately 180+ 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 first business in the UK accredited to NADCAP AC7120 The first business in Europe accredited to NADCAP AC7121 The first business in the world to achieve Merit status in both accreditations
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The STS Defence annual revenue was $38 million in 2026.
Ben Stancliffe is the Managing Director of STS Defence.
96 people are employed at STS Defence.
The NAICS codes for STS Defence are [61143, 611430, 611, 61, 33, 6114].
The SIC codes for STS Defence are [37, 372].