Wiring Looms & Cable Harness Solutions
SMI Interconnect provides a complete range of wiring loom and cable harness manufacturing services, supporting customers across diverse industries and applications.

Wiring Looms
We manufacture wiring looms for a wide range of applications, from simple routed assemblies to complex multi-branch systems.Capabilities include:
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Low, medium and high complexity looms|
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Multi-leg and bundled configurations
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Shielded and screened cable assemblies
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Custom routing and labelling
Our wiring looms are designed to ensure:
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Efficient installation
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Reliable performance
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Long operational life

Cable Harness Assemblies
Our cable harness solutions are built to meet precise customer specifications, ensuring consistent performance across all production volumes.We provide:
- Custom cable harness manufacturing
- Multi-connector assemblies
- Power and signal harnesses
- Integrated harness systems

Build-to-Print Manufacturing
We specialise in build-to-print production, working from customer drawings, specifications and bills of materials.Our process includes:
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Our process includes:
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Full documentation control
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Revision tracking
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Traceability throughout production

Prototype & Small Batch Builds
We support:- New product development
- Trial builds
- Low-volume production runs
This ensures customers can validate designs before scaling production.

Volume Production
As demand increases, we provide scalable manufacturing solutions including:- Repeat batch production
- Production scheduling
- Process standardisation
- Finished goods stock holding / call-off

Panel Wiring & Electrical Assemblies
In addition to cable and harness manufacturing, we provide:- Panel wiring
- Control box assembly
- Integrated electrical builds
Why Choose SMI Interconnect?
UK-based manufacturing
Competitive pricing without compromising quality
Experienced production team and controlled processes
Semi-Cleanroom and specialist manufacturing environments
Backed by the heritage of SMI’s precision cable systems expertise for over 30 years.