Plastic Injection Moulding Northern Ireland
Precision Plastic Injection Moulding for Northern Ireland’s Manufacturing Sector
Stephens Plastic Mouldings supplies high-performance plastic components to businesses across Northern Ireland, delivering reliability, scalability, and technical expertise from concept to completion. We’re a UK-based, ISO 9001-certified manufacturer with in-house capabilities that cover design support, custom tooling, injection moulding, and post-mould services.
Whether you’re producing enclosures for industrial controls in Belfast, components for agricultural systems in Dungannon, or medical casings in Craigavon, our team ensures your product is manufactured to exacting standards and delivered on time – every time.
What We Offer to Clients in Northern Ireland
- Complete Injection Moulding Service: We manage the entire process – from early design input and CAD validation to production moulding, finishing, and delivery. You work with one reliable supplier from start to finish.
- In-House Tooling Manufacture: Our internal toolroom uses precision CNC machining to produce high-quality mould tools, giving you fast turnaround, quality control, and full ownership of your tooling.
- Prototyping & Short-Run Production: Need test parts or limited-run supply? We offer soft tooling and pilot runs to help you validate designs and accelerate product development before scaling up.
- Volume Production: From 100 to 500,000+ units, we mould parts using a wide range of thermoplastics including ABS, PP, PC, PA, and specialist grades for performance or compliance.
- Customisation & Post-Mould Support: We offer insert moulding, ultrasonic welding, printing, basic assembly and packaging – delivering production-ready components to your exact specification.
- Shipping Across Northern Ireland: We deliver to manufacturers across Belfast, Lisburn, Newry, Derry~Londonderry, and surrounding industrial regions with secure, tracked shipments.
Industries We Serve Across Northern Ireland
UV-stable and impact-resistant plastic parts for use in farming equipment and outdoor systems.
High-precision, hygienic-grade mouldings for clinical, lab and testing products.
Durable, lightweight components with cosmetic finishes and custom branding.
Housings, clips and brackets for electrical assemblies and automation systems.
Robust fittings, casings and connectors for site installations and modular builds.
Why Work with Stephens Plastic?
1. Certified UK Manufacturing
Our production is ISO 9001:2015 certified, giving you full traceability, strict quality control, and the assurance of UK-made consistency.
2. Engineering-Led Support
Our experienced team helps optimise your part design and material choice – ensuring cost-effective production with no compromise on quality.
3. Flexible Volumes
From niche, low-volume parts to large-scale continuous supply, we support you with the flexibility to grow.
4. Proven Track Record
Trusted by UK manufacturers for over 20 years, we’ve built our reputation on responsiveness, reliability, and long-term relationships.
FAQs – Plastic Injection Moulding Northern Ireland
Yes. We design and manufacture your mould tooling in-house. We’ll walk you through the process from CAD review to final tool completion.
We mould a wide variety of thermoplastics, including ABS, polypropylene, nylon (PA), polycarbonate, acetal, and elastomers - plus glass-filled and flame-retardant options.
Once tooling is complete, most orders ship within 2 - 6 weeks depending on complexity and volume. We provide tracked, reliable shipping across the region.
Yes. We supply batch records, material certification, and inspection reports when required. We can also support PPAP and FAI protocols.
We do. Our finishing services include multi-part assembly, insert fitting, printed branding, and retail-ready packaging.
Ready to Start Your Project?
Stephens Plastic Mouldings is the trusted UK manufacturing partner for companies across Northern Ireland.
Whether you need a one-off prototype or consistent, high-volume part supply – we bring engineering know-how, production certainty, and reliable support.
Get in Touch with our Team today
Call 0121 544 5808 OR Email sales@stephensplasticmouldings.co.uk.
We’d Love to Hear From You, Get In Touch With Us!
Please contact us if you would like to receive a quotation and/or to find our more about how we can provide the service you are looking for.