WHS Plastics design and develop high quality ‘technical’ plastic components, assemblies and systems. This includes exterior and interior components that can be either painted or unpainted, EV battery components and functional black parts.

We are experienced in providing customers with solutions through close partnerships are able to deliver complex commodities including just in time sequencing.

To support programme launches we can support early development phases through the use prototyping or our onsite toolroom, and can also aid part validation with our testing capabilities to ensure our products are fit for purpose.

At end of vehicle life we have a proven processes to provide aftermarket parts supporting our customers on their past product range.


Our experience in the manufacture of precision Hi tech mouldings goes back more than 90 years and includes considerable experience in Power tools, Widgets, Packaging, Drainage products and complex Exterior and Interior Automotive parts. Despite this diverse portfolio the common theme linking parts from so many different markets and segments is they are both technically and performance challenging and this goal plays to the skills and expertise within our development and technical teams. Many of the products above feature within their design or function unique features which differentiate them from the competition.

Plastic Injection Moulding

WHS Plastics have efficient, flexible highly automated manufacturing facilities, with state-of-the-art energy efficient plastic Injection Moulding presses, along with 4 modern Paint Plants.

Tool & Mould Construction

We have the ability to design, manufacture, modify and maintain injection mould tooling on site at our company HQ. We work closely with our customers from their initial concepts to full scale tool manufacture. Having this skill at our disposal sets us apart from the competition when it comes to short lead times or a challenging global landscape.

Design & Development Solutions

Our Design and Development facilities in Minworth feature many highly trained and experienced designers and engineers who work extremely closely with customers on new programmes and components.

Fasteners and Fixings

Within our group we have Canning Brett, a metal fixing and stamping company with more than 60 years in the marketplace. WHS Canning Brett designs and engineers a wide range of steel and aluminium multi-stage pressings and fixings from our production facility in South Wales.

Finishing Processes

A comprehensive range of finishing processes and secondary operations compliments our Hi tech moulding operations. These include Technical painting, Tampo printing and precision Hot foiling including a clean room environment to ensure the highest levels of surface quality. Secondary operations including robot assembly, welding, product and environmental testing are all complimentary to our moulding offer.