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European Defence

Full lifecycle support for complex land, air and maritime systems

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Key Differentiators

The benefits of partnering with Plexus for your defence technology

Strategic scale and European manufacturing capacity

We provide flexible manufacturing through our world-class facilities in the UK and Romania to meet surging global demand. Our dual-footprint ensures you satisfy sovereign production needs, backed by AS9100 quality and Nadcap certification for your most complex technological requirements.

Accelerating defence technology innovation

We bridge the gap from innovation to frontline capability. By integrating expert engineering, high-reliability manufacturing and lifecycle support, we streamline the path to market. Our regionally compliant approach and export expertise ensure a friction-free transition to UK, EU and international theatres.

Sovereign supply chain resilience and security

Our proactive supply chain strategies, powered by our proprietary DRIVE predictive analytics tool, mitigate disruption across our JOSCAR-registered footprint in the UK and EU. By leveraging real-time data to secure in-country production, we provide the stability and mission-critical resilience required for the most complex sovereign programmes.

OUR expertise

Globally capable and regionally compliant

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  • Air-to-Air Refuelling (AAR) Control Electronics
  • C4ISR Hardware Solutions
  • Encrypted Data Links
  • Land, Air and Maritime Systems
  • LEO and GEO Satellite Communication Terminals
  • Precision Systems & Guided Munitions
  • Radar and Sensing Units
  • Robotic Platforms
  • Secure Communications & Mesh Networking
  • Signal Processing Assemblies
  • Smart Sensors and Soldier Protection Systems
  • Tactical Handheld & Mission-Critical Comms (TETRA/LTE)
  • Terrestrial and Space-based Surveillance Interfaces
  • Unmanned and Autonomous Systems (UAS/UUV)

  • Full lifecycle engineering: We accelerate innovation from concept to deployment. Our experts specialise in DfX and microelectronics design to ensure robust performance for harsh environments and next-gen AI systems.
  • Sovereign supply chain & resilience: Using our in-house predictive analysis tool, DRIVE, we mitigate obsolescence to ensure continuity for critical programmes, strengthening the European Defence Technological and Industrial Base (EDTIB) through a resilient, regionally-sourced supply chain.
  • Manufacturing & quality: Specialising in high-reliability, high-mix production at our UK and Romania sites. We ensure “zero defects” for mission-critical products, backed by AS9100 and Nadcap certifications.
  • Industrialisation & prototyping: We accelerate the transition from concept to frontline capability through agile spiral development. By integrating specialised engineering insights with high-reliability manufacturing, we provide the technical roadmap required to harden prototypes for the battlefield. Our focus is on reducing time-to-market while ensuring every design is optimised for long-term manufacturability and mission success.
  • Sustaining services: We provide comprehensive lifecycle support, including repair and refurbishment tailored to your specific regional and mission requirements. By extending the operational life of complex platforms and managing long-term obsolescence through DRIVE, we ensure platform readiness while significantly lowering the total cost of ownership.
  • Operational readiness (MRL & TRL): We provide extensive expertise in Manufacturing and Technology Readiness Levels. This ensures your innovation is fully prepared for volume production and frontline deployment.

  • AQAP-Compliant
  • AUKUS Authorised User Community (AUC)
  • AS9100 & Nadcap Accredited
  • Cyber Defence and Risks (CDR)
  • Cyber Essentials Plus
  • Export Compliance (including ITAR requirements)
  • ISO 9001, 14001 and 50001
  • ITAR-Independent Manufacturing
  • JOSCAR Registered
  • REACH and RoHS Compliant
  • SC21 Silver
  • Secure by Design

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OUR solutions

End-to-end solutions for complex defence programmes

From concept to deployment and in-service support, Plexus delivers tailored solutions through our UK and EU facilities. We help customers meet sovereign capability goals, environmental compliance and accelerate operational timelines with confidence.

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OUR SOLUTIONS

End-to-end solutions for complex defence programmes

From concept to deployment and in-service support, Plexus delivers tailored solutions through our UK and EU facilities. We help customers meet sovereign capability goals, environmental compliance and accelerate operational timelines with confidence.

explore our solutions

faqs

Frequently asked questions about our defence capabilities

Plexus ensures robust security of supply through advanced supply chain management and risk mitigation strategies. With our strategically located UK and EU manufacturing facilities, we are uniquely positioned to offer reliable in-country and regional solutions, safeguarding continuity of production and supporting vital sovereign supply chains.

We provide a dedicated “on-shore” and “near-shore” industrial footprint through our facilities in the UK and Romania. We hold and maintain the necessary accreditations in-region to deliver on complex compliance requirements. By maintaining Joint Supply Chain Accreditation Register (JOSCAR) registration, Cyber Essentials Plus certification and Allied Quality Assurance Publications (AQAP) compliance, we ensure that critical defence technology is developed and manufactured within secure, domestic frameworks. This approach allows our customers to meet stringent Social Value mandates and national security requirements while maintaining a robust regional supply chain.

Yes, Plexus provides comprehensive export-compliant and ITAR-independent manufacturing and engineering services across its European footprint. By maintaining deep expertise in regional export controls and sovereign design requirements, Plexus ensures a friction-free transition for defence technologies entering international markets.

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Ready to scale your defence capability with a trusted European partner?

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