Wiring Looms & Cable Harness Manufacturing – Built for Performance, Delivered with Speed
SMI Interconnect is a UK-based manufacturer of high-quality wiring looms, cable harnesses and electrical assemblies, supporting OEMs and manufacturers across a wide range of industries.
We combine fast lead times, competitive pricing and proven manufacturing capability to deliver reliable interconnect solutions — from prototype builds through to full production.
Whether you require build-to-print cable assembly, custom wiring looms, or scalable harness manufacturing, SMI Interconnect provides a responsive and dependable solution.
Our Core Capabilities
Wiring looms (low, medium and high complexity)
Cable harness assemblies
Build-to-print manufacturing
Prototype and small batch production
Volume production
Panel wiring and electrical assemblies
Design support and manufacturability input
Built for Flexibility. Engineered for Reliability.
Unlike many subcontract manufacturers, we offer:
• Rapid response and short lead times
• Flexible production volumes — from early-stage prototypes to scalable output
• Capability to handle complex assemblies where required
• Consistent quality backed by ISO-certified processes
• Finished goods stock holding / call-off
Industries We Support
• Marine
• Land & Defence
• Communications
• Aerospace
• Energy
• Industrial and manufacturing
• Harsh environments
