ASL is sub-contract manufacturer of wiring harnesses for the electric and hybrid vehicle industry.

We have an exceptional 25 years of wiring loom experience for the Automotive Industry, and boast a high profile customer portfolio including Bus leading manufacturers; Alexander Dennis and Optare.

Driving down costs for customers

Our team of costing engineers have spent years building relationships with suppliers and working on wiring harness production lines, so they know the whole process better than anyone. It is their routine to study batch cards, analyse where improvements can be made, where costs can be reduced and where processes can be more efficient. All of this analysis, experience and knowledge, is why ASL is so successful and now known as the preferred UK wiring harness supplier for most major manufacturers.

As a family-run business we are passionate about building custom wiring looms to the highest standard and providing the best possible service. 

• We manufacture any type of loom or harness
• Every wiring loom is 100% electrically tested 
• Fully trained team to IPC-A620 electrical standards
• Quality Accredited to ISO9001
• Award Winning Customer Service

ASL is without a doubt the best UK manufacturer of wiring looms and wiring harnesses. They have been our preferred supplier for 10 years because their quality and attention to detail is none other than excellent, and they deliver when they say they will - which is something my other suppliers don’t do! For us we find working with ASL extremely easy, they are always quick to respond and support us with fast turnaround deliveries when we have urgent demands.

Electrical Engineering Manager – Alexander Dennis