---
title: Home | SMI Interconnect
description: Need fast, reliable cable assemblies? SMI Interconnect offers rapid, flexible production for complex wiring looms and harness assemblies. Expert UK-based manufacturing for demanding industries. Contact us to start your project.
---

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[Contact Us](https://smiinterconnect.com/contact?hsLang=en)

# 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.

[Contact Us](https://smiinterconnect.com/contact?hsLang=en)[Learn More](https://smiinterconnect.com/products-and-services?hsLang=en)

![homepage-03](https://smiinterconnect.com/hs-fs/hubfs/Homepage/homepage-03.jpg?upscale=true&width=1200&height=2400&name=homepage-03.jpg)

## Our Core Capabilities

![icon-01-sea](https://smiinterconnect.com/hs-fs/hubfs/Icons/icon-01-sea.svg?width=40&upscale=true&name=icon-01-sea.svg)

#### Wiring looms (low, medium and high complexity)

![icon-02-sea](https://smiinterconnect.com/hs-fs/hubfs/Icons/icon-02-sea.svg?width=40&upscale=true&name=icon-02-sea.svg)

#### Cable harness assemblies

![icon-03-sea](https://smiinterconnect.com/hs-fs/hubfs/Icons/icon-03-sea.svg?width=40&upscale=true&name=icon-03-sea.svg)

#### Build-to-print manufacturing

![icon-04-sea](https://smiinterconnect.com/hs-fs/hubfs/Icons/icon-04-sea.svg?width=40&upscale=true&name=icon-04-sea.svg)

#### Prototype and small batch production

![icon-05-sea](https://smiinterconnect.com/hs-fs/hubfs/Icons/icon-05-sea.svg?width=40&upscale=true&name=icon-05-sea.svg)

#### Volume production

![icon-06-sea](https://smiinterconnect.com/hs-fs/hubfs/Icons/icon-06-sea.svg?width=40&upscale=true&name=icon-06-sea.svg)

#### Panel wiring and electrical assemblies

![icon-07-sea](https://smiinterconnect.com/hs-fs/hubfs/Icons/icon-07-sea.svg?width=40&upscale=true&name=icon-07-sea.svg)

#### 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**

![homepage-01](https://smiinterconnect.com/hs-fs/hubfs/Homepage/homepage-01.jpg?upscale=true&width=1920&name=homepage-01.jpg)

## Industries We Support

•    Marine  
•    Land & Defence  
•    Communications  
•    Aerospace  
•    Energy  
•    Industrial and manufacturing  
•    Harsh environments

![homepage-02](https://smiinterconnect.com/hs-fs/hubfs/Homepage/homepage-02.jpg?upscale=true&width=1920&name=homepage-02.jpg)

### 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.

[Contact Us](https://smiinterconnect.com/contact?hsLang=en)

## Start your project

Looking for a reliable wiring loom or cable harness manufacturer?

**Get in touch today to discuss your requirements or request a quote.**

[Submit your enquiry](https://smiinterconnect.com/contact?hsLang=en)[Upload your drawings or specifications](https://smiinterconnect.com/contact?hsLang=en)

[![](https://smiinterconnect.com/hs-fs/hubfs/SMI%20Roundel%20Colour%20White%20Circle%20Background%20Logo%20OL.svg?width=80&upscale=true&name=SMI%20Roundel%20Colour%20White%20Circle%20Background%20Logo%20OL.svg)](https://smiinterconnect.com)

About Us

[About →](https://smiinterconnect.com/about?hsLang=en)[Capabilities →](https://smiinterconnect.com/capabilities?hsLang=en)[Quality & Assurance →](https://smiinterconnect.com/quality?hsLang=en)[Vacancies →](https://smiinterconnect.com/vacancies?hsLang=en)[Contact →](https://smiinterconnect.com/contact?hsLang=en)

Products & Services

[Wiring Looms →](https://smiinterconnect.com/products-and-services#Wiring%20Looms)[Cable Harnesses →](https://smiinterconnect.com/products-and-services#Cable%20Harness%20Assemblies)[Build-to-Print →](https://smiinterconnect.com/products-and-services#Build-to-Print%20Manufacturing)[Prototype & Production →](https://smiinterconnect.com/products-and-services#Prototype%20%26amp%3B%20Small%20Batch%20Builds)[Volume Production →](https://smiinterconnect.com/products-and-services#Volume%20Production)[Panel Wiring →](https://smiinterconnect.com/products-and-services#Panel%20Wiring%20%26amp%3B%20Electrical%20Assemblies)

Sectors

[Marine →](https://smiinterconnect.com/sectors#Marine)[Land & Defence →](https://smiinterconnect.com/sectors#Land%20%26amp%3B%20Defence)[Communications →](https://smiinterconnect.com/sectors#Communications)[Aerospace →](https://smiinterconnect.com/sectors#Aerospace)[Energy →](https://smiinterconnect.com/sectors#Energy)[Industrial →](https://smiinterconnect.com/sectors#Industrial%20%26amp%3B%20Manufacturing)

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