About WSM Plastics

Sectors we specialise in

We have specific expertise across these specialist areas and can also help across other tool making and injection moulding requirements

About WSM Plastics


We deliver solutions to your requirements, helping you create the right products more efficiently and cost-effectively.

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Our specialist services

We are highly experienced across the full production lifecycle from design, prototyping, toolmaking, injection moulding and post moulding services

About us

Leading UK-based custom plastic injection moulder & mould toolmaker

WSM Plastics - A company you can rely on

WSM Plastics is an experienced injection mould tooling manufacturer and plastic injection moulder. We have a strong reputation for stability whilst maintaining a dynamic, supportive and flexible ethos. Our can-do attitude operates on a solid foundation of forward-thinking individuals who strive for teamwork and to do what’s best for our customers.

Customer focus is key for us

Our flexible approach complements the expert guidance you will receive in every aspect of your project, with a dedicated, friendly team who put our customer first and adopt unique approaches to focus on individual project requirements which offer a comprehensive and tailored service you can trust.

Our experience

WSM Plastics has over 25 years’ experience in mould tool making and injection moulding and specialise in technical polymers for replacement metal components using such materials as V0 rated flame and toxicity material enabling us to supply into industries such as aerospace, medical, marine, renewable energy, transport and the water industry. Our global supply network has allowed us to supply finished goods around the world from the USA, Asia, EU & UK. WSM Plastics in-house tool designers, component designers and project engineers manage the entire project for our customer base. With our tool room and mould shop in the same building here in the UK, we have been able to validate and commission tooling projects within days of the tools being completed to our high-quality standards.

Our background

WSM Plastics is a privately owned UK custom plastic injection tool maker and moulder. Being part of a global group of companies consisting of 23 subsidiaries has allowed us to have a presence further afield with tool rooms in the UK, Asia and EU and manufacturing facilities in the UK / EU / Asia / America’s to support our tool room and customers with a dedicated point of contact throughout your entire project.

What's next?

WSM Plastics is a forward-thinking innovative company who strives to learn, improve and adapt to ensure we always offer our customers the very best service and solutions.


"We have been working with WSM Plastics for more than 10 years. In that time WSM Plastics has added real value to our products through being customer-focused and proactive in addressing our questions and issues.

IFPL, award winning international product developer specialised in tailored engineering solutions for the Global Inflight Entertainment (IFE) Industry.

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Talk to us about your tool making, injection moulding or any other service.

+44 (0)1903 875888 or email