SIC Ltd - Manufacturing Excellence


Here at SIC Ltd, we specialise in complete electronic and mechanical box build assembly services. Our box build assemblies include small enclosures to large complex fabricated systems. We provide bespoke services to meet your individual requirements. These include cabinets, racks, enclosures, wired assemblies, built-to-order and customer ready packaging and delivery.

Cable Assemblies Services

We are an industry leader in cable assemblies services including the supply and management of electronic components and assemblies. Our cable assemblies services are diverse and cost effective. We specialise in manufacturing and sourcing materials and components.

Cable Harnessing

We stock an extensive cable harnessing inventory in our own warehouse. We are happy to receive small order quantities and will meet short cable harnessing delivery deadlines.

Wire Harnesses

We specialise in the design and manufacture of wire harnesses to meet your commercial requirements. Our wire harnesses are used in various industry sectors, including medical, automotive, heating, foodservice equipment, vending, gaming and ventilation to mention just a few..

Cable Assembly Manufacture

We specialise in cable assembly manufacture and work together with our clients from initial design to the completed product. Our high quality cable assembly manufacture is cost effective and flexible to meet your individual requirements.

Wire Loom Manufacturer

As an expert wire loom manufacturer, we work with you to source and select materials, design, develop and manufacture your products. We provide wire loom manufacture with enthusiasm, dedication and a commitment to excellence.

Low Cost Manufacturing

Low Cost Manufacturing (LCM) is key to our promise of delivering best value to our customers. We have developed manufacturing partnerships with high quality suppliers in China that enable us to drive down the costs of our cable assemblies and wiring harnesses whilst ensuring product quality and delivery reliability that is the backbone of our company.

Our Low Cost Manufacturing / offshore manufacturing generates efficiency savings but in an properly managed environment that minimises risk. We are responsible for monitoring our supply partners operations and quality. UK testing and inspection ensures that product quality remains high and adheres to the specific requirements of each customer. SIC manage stock issues or engineering changes and a UK based troubleshooting team is available to respond to any issues.

UL Approved Wiring Harness Manufacturer

We are a UL approved wiring harness manufacturer and assign dedicated project managers to each account to work with you throughout the manufacturing lifecycle. As a UL approved wiring harness manufacturer, we will check and evaluate your application and will often find cost or quality enhancing alternatives for you to make an informed choice about your products.

Control Box Manufacturers

As highly skilled and experienced control box manufacturers, we will produce products to meet your individual specifications. As control box manufacturers, we will assemble, test, package and dispatch your products saving you time and cost. We source our printed circuit boards and enclosures from partner manufacturers on your behalf. We guarantee quality, value and excellence throughout the manufacturing process.

Company History

Established in 1964 by the current managing director Layton Roberts, Swansea Industrial Components, or SIC as we're commonly known, began manufacturing wiring harnesses originally for the vending, white goods, fruit machine and automotive sectors. SIC now has over 466 customers in 22 different markets. We offer over 14,000 different product lines, which are utilized across many different industrial sectors. Although our products are diverse and widespread across many industries, the one constant which we have based our business around is our commitment to manufacturing excellence.

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Electrical Control Panel

We have over 50 years industry experience in the manufacture of bespoke electrical control panels . It’s our experience and collaborative working style that makes us the definitive manufacturing partner of choice for custom design and build . We produce a variety of control panels for different market sectors and manufacture for high volumes, small production runs or even one-off builds. We treat every order we receive with the same attention to detail, ensuring that our customers’ specifications are fully understood at the start of each process.

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