SII UK delivers cutting-edge systems, electronic, software, IT engineering solutions along with project management solutions for mission-critical defence, aerospace, energy and telecommunications projects. We specialise in electronic hardware, including PCB (Printed Circuit Board) design, power electronics, RF (Radio Frequency) systems, and FPGA (Field-Programmable Gate Array)-based solutions, ensuring high performance and EMI/EMC (Electromagnetic Interference / Electromagnetic Compatibility) compliance. Our software expertise spans embedded, application, and bare-metal development in programming languages including C, C++, ADA, Rust, and Python, optimising real-time performance and security.
We also provide IT support for infrastructure and applications, ensuring seamless system operation and reliability. Our project management division ensures client projects are managed and deployed effectively, aligning with business objectives and delivering maximum value.
With expertise in MBSE (Model-Based Systems Engineering) and the V-model approach, we cover full lifecycle system development—from concept to decommissioning—ensuring compliance with industry standards, delivering scalable, future-proof solutions.
