Top 10 Plastic Injection Moulding Companies in UK

Just like any other business, there are plenty of plastic injection molding companies in the market. Since injection molding is an easy procedure for producing top-notch plastic components for most industries, the right supplier must be selected. Here, you will learn the top 10 plastic injection molding companies in the UK.

These are all independent and competing companies. Followed is a summary of each business, site, and year in business. This will help when making an informed choice when selecting a plastic injection moulding supplier. It is still advised that you go to each business’s site and look at their ability and supplies so that you can select the best for your specific project needs.

1. List of Plastic Injection Moulding Companies in the UK

We’ve mentioned below the top ten best plastic injection moulding suppliers in the UK to assist you in getting the best ones. We’ve given the required information on the table below regarding each of the following companies and the year when they were established.

2. Top 10 Plastic Injection Moulding Companies in the UK

The UK is home to the world’s best plastic injection moulding companies offering precision parts to all sectors, such as automotive, medical, aerospace, and consumer. This list of the UK top 10 plastic injection moulding companies reflects their expertise, experience, and blue-chip orderbook.

Top 1: Holly Plastic Parts

Holly Plastic Parts is a specialist injection moulding company from China, and it provides high-precision plastic parts to the medical, automobile, and consumer electronics industries. The organization is over 20 years old with well-stocked manufacturing units housing injection moulding machines between 50 tons to 1,200 tons. This facilitates small-volume prototype creation and large bulk mass production for Holly Plastic Parts.

The company provides a total service, from insert moulding, through overmoulding, multi-shot injection moulding, to post-assembly production. Holly Plastic Parts is ISO-approved, and rigorous quality control is ensured throughout production. Apart from the production of standard plastic components, the company has experience in utilizing high-performance engineering plastics such as PEEK and ABS in high-critical, heat-resistant applications.

One of the top client success stories of Holly Plastic Parts is supplying precision moulded medical device components to one of the top healthcare providers. The job required ultra-high tolerances and biocompatibility so the medical device would be safe to utilize for patients. Holly Plastic Parts successfully provided high-volume manufacturing, with tight quality tolerances being met.

Website: https://www.hollyplasticparts.com/plastic-injection-molding/

Year Established: 2000

Location: China

Products:

• Plastic components
• Automotive parts
• Medical device parts
• Consumer electronics parts

Top 2: Pentagon Plastics

Pentagon Plastics is a highly experienced British injection moulding company with over five decades of trading experience. Run from its West Sussex state-of-the-art factory, the business makes use of the entire range of injection moulding presses from 25 tons up to 400 tons in an attempt to manufacture parts ranging from prototype size right up to production size. Pentagon Plastics is a technical mouldings business that manufactures close-tolerance and complex plastic components for aerospace, medical, and production uses.

Besides moulding, the company has also broadened in-house capacity in the form of tool design, toolmaking, prototyping, and secondary operations like ultrasonic welding and assembly. ISO 9001 certification provides it with ownership of a quality through a production, delivery design control system which it would not risk compromising.

One of the successful customer projects done by the firm is the design and development of customized enclosures for medical equipment for a UK health tech business. Pentagon Plastics worked on the project from design to the mass production phase, and the products had rigorous regulatory as well as functional requirements, thus helped the customer achieve an earlier time to market.

Website: https://www.pentagonplastics.co.uk/

Year Established: 1972

Location: UK

Products:

• Technical mouldings
• Medical components
• Aerospace parts
• Industrial plastics

Top 3: Faulkner Moulds

Faulkner Moulds is a UK precision injection moulding and toolmaking business with nearly 40 years’ experience. Faulkner Moulds has an award-winning in-house tooling design and make facility and a plastic injection moulding factory on 50 to 500 tons. Faulkner Moulds manufactures high-precision parts for the medical, electronics, and engineering sectors.

They offer an entire range of services, including CAD design, CNC machining, multi-cavity tooling, and rapid prototyping. Faulkner Moulds are committed to high-quality with ISO 9001 accreditation, close tolerances, and inspection procedures.

It has one of its largest customer orders, as the production of custom electronic enclosures for one of the UK’s leading electronics manufacturers. The job utilized new tooling solutions and featured a quick turnaround. Faulkner Moulds attacked it with thousands of precisely moulded components, which enhanced the client’s product performance and shaved their time-to-market.

Website: https://www.faulknermoulds.net/#1

Year Established: 1985

Location: UK

Products:

• Precision moulds
• Electronics housings
• Engineering plastics
• Multi-shot moulding

Top 4: Fenton Precision

Fenton Precision is a British injection moulding specialist with more than 50 years’ industry expertise. It is based in a state-of-the-art, ISO 9001-approved factory employing 35 tons to 1,000 tons of injection moulding equipment to manufacture intricate plastic components for industrial applications, including the medical, automotive, and industrial manufacturing industries.

Fenton Precision offers full moulding solutions, from product design support through to toolmaking and assembly and post-moulding finishing. The business is also an eco-friendly moulding expert, using recycled material wherever it can without reducing product quality.

One of its prestige contracts was the manufacture of dashboard trim for a UK premium car marque. Fenton Precision used high-performance polymers and advanced moulding technology to manufacture lightweight, strong components to exacting safety and aesthetics standards, allowing the customer to improve product quality and reduce vehicle weight.

Website: https://www.fentonprecision.co.uk/

Year Established: 1970

Location: UK

Products:

• Automotive plastics
• Medical device parts
• Industrial components
• Custom plastic mouldings

Top 5: BSA Mouldings

BSA Mouldings is a UK injection moulding business with a background in producing bespoke plastic components and packaging. With over 25 years of experience and highly mechanized facilities with over 30 injection moulding presses from 40 to 1,500 tons, the business is well placed to produce high-volume, intricate production runs with ease.

The firm’s services cover in-mould labelling (IML), gas-assisted moulding, and assembly. BSA Mouldings is a plastic specialist and has designed a series of recyclable packaging solutions for leading retail and FMCG brands.

Among the most striking projects for clients were the production and design of reusable plastic food containers for one of the leading British supermarket chains. BSA Mouldings provided turnkey support, from concept design to mass production, as a step intended to help the customer attain its sustainability goals without compromising product attractiveness and longevity.

Website: https://www.bsamouldings.co.uk/

Year Established: 1997

Location: UK

Products:

• Plastic packaging
• Retail display parts
• Industrial components
• Custom moulded parts

Top 6: MGS Plastics

MGS Plastics is a UK technical plastic injection moulding expert with widespread coverage of industry sectors within the automotive, medical, and renewable energy sectors. Established in 1979, the company has a state-of-the-art factory where robot-controlled injection moulding machines can be fitted in an effort to manufacture precision plastic components on a mass basis.

MGS Plastics has experience in machining high-temperature thermoplastics like PEEK, PPS, and polycarbonate to create light but very strengthening components. The firm offers design support, tooling, moulding, post-production assembly, and prototyping as services to a one-stop customer solution.

One of its best jobs was manufacturing weather-sealed electronic enclosures for a UK-based wind turbine company. MGS Plastics was able to design and produce a solution that improved the product’s efficiency and longevity and helped drive the growth of the renewables sector.

Website: https://mgsplastics.co.uk/

Year Established: 1979

Location: UK

Products:

• Technical plastics
• Automotive components
• Renewable energy parts
• Custom plastic mouldings

Top 7: W.H. Tildesley

W.H. Tildesley is Britain’s longest-established factory business, established in 1875, with an extensive background in metal and plastic component production. Precision plastic injection moulding is one of the services offered by the company alongside internationally known metal forging. W.H. Tildesley has well-supplied moulding facilities for manufacturing components from a few grams up to a few kilograms.

It is a medium-to-low-volume, high-complexity moulded parts specialist high-volume production, with product design, tooling, injection moulding, and assembly capability. It is a multi-material project capable of meeting diversified requirements of the defence, automotive, and industrial sectors.

Some of the standout work done for customers includes producing plastic covers on communication equipment to be resistant to wear and tear, which is of military grade. The work involved W.H. Tildesley producing extremely durable and shock-absorbing parts with time requirements for product homogeneity in order to tackle extreme conditions.

Website: https://www.whtildesley.com/

Year Established: 1875

Location: UK

Products:

• Precision moulded parts
• Defence components
• Industrial plastics
• Multi-material assemblies

Top 8: Omega Plastics Group

Omega Plastics Group is the UK’s plastic injection moulding and tooling giant with a colossus presence to provide precision-engineered high-class parts. Omega Plastics Group commenced trading in 1996 and has some of the world’s most sophisticated machinery, ranging from 50-ton to 1,300-ton injection moulding presses. With such a titan range of capacity it is, Omega Plastics Group is capable of producing components ranging from micro-moulded components right through to industrial components.

It has in-house facilities like tooling, prototyping, multi-shot moulding, and in-mould labelling (IML). Omega Plastics Group is a technologically innovative company within the automotive, medical, and industrial business, providing bespoke solutions to engineering needs of a technologically innovative nature. Being ISO 9001 and ISO 13485 certified, the organization maintains all its processes at the highest level within the industry.

Some of the notable customer orders were the production of light yet tough plastic enclosures for one of the leading motor manufacturers in the UK. Light-weighting of vehicles with no compromise in strength and safety was enabled through Omega Plastics Group’s advanced moulding technology. The project enabled lower fuel consumption and emissions that were compliant with the green philosophy of the customer.

Website: https://www.omegaplasticsgroup.co.uk/

Year Established: 1996

Location: UK

Products:

• Automotive components
• Medical device parts
• Industrial plastic parts
• Custom plastic enclosures

Top 9: Rutland Plastics

Rutland Plastics is a British specialist in plastic injection moulding with more than 65 years of history in producing high-precision plastic components. With its world-class factory, the firm works with 50 to 1,700-ton injection moulding machines and is capable of producing intricate large-sized moulded parts for industries.

Rutland Plastics provides one-stop moulding, tooling, design, and post-manufacture capabilities like ultrasonic welding, pad printing, and assembly. It is very responsive to sustainability and provides bio-based and recycled plastic options to assist sustainable manufacturing. It is certified to ISO 9001 and ISO 14001 to assure quality and the lowest possible environmental impact.

One of Rutland Plastics’ biggest projects was the production of massive plastic structural panels for a UK farm machinery manufacturer. The raw materials employed had to be weather-resistant and high-strength to offer long-term strength. Rutland Plastics supplied thousands of units faultlessly, improving the client’s product efficiency and lifespan.

Website: https://www.rutlandplastics.co.uk/

Year Established: 1956

Location: UK

Products:

• Large plastic moulded parts
• Agricultural components
• Industrial plastic enclosures
• Custom injection moulded parts

Top 10: Get It Made

Get It Made is a UK modern manufacturing company offering a full plastic injection moulding service. Get It Made was established in 2011 and has since established itself as a trusted business partner to businesses needing precise, affordable plastic components. Get It Made manufactures low to medium runs on 50-800 ton injection moulding machines.

The company has a strong manufacturing process from CAD design and prototype to mass injection moulding. Get It Made is also flexible with extra capabilities of overmoulding, insert moulding, and finishing. The company produces all types of industries, from medical, aerospace, to consumer electronics.

One of the client tasks was to design plastic covers for a new start-up business that designs and produces innovative medical wearable devices. The product had to be precision moulded with biocompatible plastics and lightened without affecting ergonomic fit. Get It Made manufactured high-quality parts that were in compliance with stringent medical standards and allowed the client to sell its product successfully on the market.

Website: https://get-it-made.co.uk/

Year Established: 2011

Location: UK

Products:

• Medical plastic components
• Aerospace parts
• Consumer electronics enclosures
• Custom-moulded plastic parts

3. Benefits of Choosing Plastic Injection Moulding Companies in the UK

Choosing a plastic injection moulding company in the UK offers many benefits, making it an optimum choice for those companies who wish to receive quality, reliable, and environmentally friendly manufacturing services. The primary benefits are as follows:

1) Global Manufacturing Standards

The majority of UK moulding firms are ISO 9001, ISO 14001, and ISO 13485 certified, with strict quality checks and conformity to global industry standards. This is especially important in medical, automobile, and aviation applications.

2) New Technology & Technology

UK manufacturers invest in injection moulding machines that are technologically advanced, ranging from precise, accurate moulding to high-tonnage production. Multi-shot moulding, insert moulding, and in-mould labelling (IML) technology enable the production of higher-quality, high-performance plastic parts.

3) Reduced Lead Times & Supply Chain Reliability

UK-based local production reduces transport lead times for deliveries as well as import lead times for deliveries and enables organizations to receive their materials as and when required. Domestic manufacturing facilitates better communication and control over the project.

4) Environment and Sustainability Compliance

Certain UK manufacturers use recyclable plastic and environmentally friendly production methods, raising global standards of sustainability and allowing businesses to reduce their carbon footprint.

5) Regulation Compliance

UK manufacturing keeps plastic components in close UK and EU regulation, reducing the risk of regulatory compliance problems with imported products.

6) Design & Customisation Support

Additional value-added products such as prototyping, CAD design, and post-production finishing are provided by the majority of UK moulding companies to enable companies to step towards the creation of custom-made solutions for their own use.

Through collaboration with a UK plastic injection moulding company, companies can enjoy world-class manufacturing, accurate engineering, and an extremely high standard and environmental emphasis.

4. Conclusion

This is our new top 10 list of the UK’s best plastic injection moulding companies that we have compiled for 2025. The UK remains at the centre of the world’s injection moulding industry, with companies offering innovative manufacturing solutions, precision engineering, and environmentally friendly options. From bespoke moulded parts for the automotive, medical, or industrial industries, UK companies offer quality solutions tailored to your company. Through taking the option of using a plastic injection moulding company based in the UK, companies are facilitated with lower lead times, increased quality control, and cutting-edge production technology.