About Unipart Dorman


Unipart Dorman is the UK’s leading designer and manufacturer of innovative Rail and Road products, with extensive product ranges available throughout the UK and around the world.


Our products include a complete range of LED signals and solutions for all aspects of Railway Signalling, Traffic Management solutions, Hazard Warning lamps and Vehicle Activated Signs. We have over 130 years experience in developing products and solutions that deliver a variety of benefits whilst improving safety and performance.


We are committed to offering world-class innovation in design and manufacture, complemented by outstanding levels of service.


Our team of electronic and mechanical design engineers deliver innovative world class patented products to operate in challenging environments of a safety critical nature and our expertise in LED Technology has resulted in the development of a series of industry firsts, including the Unipart Dorman ConeLITE, which is the industry-standard warning lamp for road hazards.


At Unipart Dorman we listen to and understand our customers, enabling us to recognise the drive to improve efficiencies, reduce whole life costs and increase safety. This is what really makes the difference to our customers.


As part of the Unipart Group, our use of the renowned Unipart Way of working means that quality is managed throughout every aspect of our business and our ISO 9001 accreditation demonstrates our commitment to quality and continuous improvement.




Our Values

Quality By Design

We have an experienced team of Electronic and Mechanical Design Engineers with the expertise and tools to support a highly skilled manufacturing facility, who are committed to our philosophy of design and production excellence.

Proven Reliability

We use only the best quality parts, comprehensive ‘Mean Time Between Failure’ analysis and ISO 9000 quality assurance systems to guarantee our products continue to perform.

Outstanding Performance

We know that our products are used in the harshest of environments and work tirelessly to ensure that the design is robust enough to handle the toughest of conditions. We know that maintaining the safety of road and rail users is paramount.

Safety First

Our record in producing safety critical products is second to none in Rail and Traffic. SynchroGUIDE has significantly increased safety at roadworks and the Integrated Lightweight Signal completely removes working at height risks for railway signalling staff.

Working Together is Better

We actively engage with our customers and supply chain partners from concept to production and beyond to guarantee the best experience.

The Relationship Continues After Delivery

We have an outstanding customer support team that ensures we provide the high level of on-site technical support, product training and after-sales service our clients expect and more.

Our Services