Leading plastic injection moulding specialist
We provide unrivalled plastic injection moulding solutions for companies throughout the industrial, electronics, utilities and medical sectors.
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Automated Plastic Injection Moulding
Our manufacturing and component assembly operations simplify your supply chain and reduce time to market.
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In-house toolroom for speed, precision and reliability
Our on-site toolroom ensures optimum tool availability, planned tool maintenance and fast modification or repair.
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OGM: UK plastic injection moulders

At OGM, we manufacture the highest quality plastic injection moulded parts and assemblies, using advanced injection moulding, automation and 3D printing technologies. We have the expertise and skills to help customers throughout industry reduce lead-times, while enhancing the quality, functionality and performance of injection moulded parts and components. We offer a full injection moulding service, including mould toolmaking, bespoke component assembly and finishing operations.

We are UK based plastic injection moulders providing you a full support through our two manufacturing sites in Oxfordshire and South Wales. Along with our plastic injection moulding, toolmaking and assembly services, we have the ability to offer added value services through dedicated project management and technical and customer support.

Plastic injection moulding

We offer plastic injection moulding services from concept and product design, through prototyping and tooling to full-scale production.

Our plastic injection moulding capabilities

We have over 92,000 sq feet manufacturing facilities, with 50 advanced injection moulding machines in our two UK manufacturing sites

Class 7/10,000 cleanroom assembly areas providing the ideal environment for production of medical and electronics mouldings and components

Purpose-built injection moulding
and product assembly facilities

Conventional injection moulding from a machine range of 35 to 1,100 tonnes

Elastomers and polymer injection moulded parts and components

Toolmaking, with servicing, maintenance, repair and overhaul of existing tools

Dedicated new product introduction
(NPI) team

Injection mould tools

We have an extensive in-house tool-room, equipped with the latest technology and staffed by experienced mould toolmakers. Our tool-room ensures optimum tool availability, on-time production to plan and high service levels for every customer.
Toolmaking and tool design

Toolmaking and tool design

Our tool making capabilities extend from soft prototype tools, through simple single impression P20 steel tools, to fully hardened steel multi-cavity full hot runner tools.
Injection mould tools inserts

Injection mould tool inserts

Using the latest 3D metal additive printing technology, we build true conformal cooled inserts for injection mould tools to enhance part quality and performance.
plastic injection moulders

Rapid production mould tools

With our integrated metal additive manufacturing and CNC machining system, we help you reduce lead-times for plastic injection mould tools by up to 50%.
plastic injection moulding companies

How we help our customers

Plastic Injection Moulded Parts: from design to production in 5 days
We understand the importance of minimising lead-times – lead-time compression – to bring your products to market as quickly as possible. Learn more about how we helped a customer produce 40,000 injection moulded parts in just five days through our unique Rapid Production Mould Tool methodology.

Get in touch today to discuss your next project

UK's leading plastic injection moulding company

Offering complete solution for your plastic injection moulding needs

Whatever stage you are at in your product development, or even if you have existing mould tools, you can rely on our expertise and support from start to finish. We will help you to manufacture plastic parts and components from new or existing designs and tools, develop the most cost-effective and efficient injection moulding processes, and assemble, test and ship assemblies and finished products.
OGM Accredited injection moulding suppliers


We build the highest levels of quality into everything that we do. We are accredited to ISO 9001:2015 (manufacturing), ISO 14001:2015 (environment) and ISO 13485:2016 (medical).
Our mission


Our mission is to provide excellence in service, quality, technical support and consultancy for the manufacture of plastic injection moulded parts and assemblies, for all our customers.
OGM expertise


We have almost 60 years of experience working in plastic injection moulding, offering you a full range of services including design, prototyping and mould toolmaking.
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