Plastic Injection Moulding Derby
Trusted Plastic Injection Moulding Company in Derby
Stephens Plastic Mouldings is a reliable and experienced plastic injection moulding company supporting Derby and the wider East Midlands region. Known for our ISO 9001-accredited processes and flexible production capabilities, we help manufacturers, designers, and engineers bring their plastic components to life – on time, on budget, and on spec.
Based in the heart of the Midlands, we offer everything from early-stage design input to tooling, production, post-processing and delivery – all under one roof. Whether you’re developing an innovative automotive part or need high-volume moulded components for industrial systems, we’re the plastic injection moulding supplier Derby businesses trust.
Why Derby Manufacturers Work with Us
Precision, Performance & Partnership
With over 20 years of industry experience, Stephens Plastic is more than a supplier – we’re a strategic partner.
We offer:
- No minimum order quantities.
- End-to-end injection moulding services in the UK.
- Full tooling built and maintained in-house.
- Materials selection and DFM support.
- Prototyping, short-runs, or large-scale production.
- Personalised account management for Derby clients.
- Fast lead times with full traceability (ISO 9001:2015).

Industries We Serve in Derby
Derby’s reputation as a centre for transport, aerospace, and industrial engineering means manufacturers need supply partners who understand precision and performance.
We manufacture lightweight, flame-retardant, and structural components used in cabin interiors, control panels, housings, and brackets.
We support OEMs and Tier 1 suppliers with moulded plastic parts for under-bonnet, trim, and fastening applications.
Functional parts such as spacers, seals, enclosures, and custom connectors designed for tough working environments.
We help local innovators with clean, accurate plastic parts for lab, medical, and electronics applications - meeting strict dimensional tolerances.
Our Derby-Focused Injection Moulding Services
As a full-service injection moulding supplier, we manage your entire plastic component journey:
1. Design for Manufacture (DFM)
We work with your CAD or product idea to optimise shape, wall thickness, draft angles and material selection – ensuring production is efficient, repeatable and within budget.
2. In-House Toolmaking
All tools are made and serviced by our specialist team. From aluminium prototypes to hardened steel production tools, we offer quick lead times and long-term value.
3. Prototyping & Pilot Runs
Need a sample batch for testing? We offer low-cost tooling and fast prototyping so you can validate form, fit, and function before moving to full production.
4. Custom Production Moulding
With no MOQs, we produce parts in the quantities you need. Our modern injection moulding machines handle everything from micro components to large enclosures.
5. Secondary Operations & Finishing
Need inserts, welded assemblies, or custom branding?
We provide post-mould finishing including ultrasonic welding, pad printing, and basic sub-assemblies.
6. Packaging & Delivery
All parts are inspected, packed to your requirements, and shipped directly to your facility. We work with Derby clients on scheduled or call-off deliveries.
Materials Expertise
We work with a wide range of polymers to meet your application’s specific needs:
- ABS, PP, PA6, PC, HIPS, HDPE.
- Flame-retardant, UV-stabilised and anti-static grades.
- Medical – and food-safe certified plastics.
- Eco-friendly options including recycled polymers and bioplastics.
Need support selecting the right material?
We’ll help you balance performance, compliance, and cost.
FAQs
Yes. We support entrepreneurs and SMEs through prototyping and early-stage manufacturing - often with free consultation and DFM support.
Lead times range from 2-6 weeks depending on the complexity and tooling status. We offer expedited prototyping where needed.
Yes, we are fully ISO 9001:2015 certified, giving you confidence in our processes, traceability, and quality assurance.
Absolutely. Clients from Derby and the wider region are welcome to visit our Midlands facility for consultations or project updates.
Yes. We offer both recycled-content plastics and compostable biopolymers for suitable applications.
Let’s Start Your Derby Injection Moulding Project
Stephens Plastic Mouldings is proud to support Derby’s world-class engineering and manufacturing sectors. From initial concept to final delivery, we provide the precision, flexibility, and trust you need to succeed.
Contact us
Today to discuss your next injection moulded component, request a free quote, or book a consultation.
Call 0121 544 5808 OR Visit Website – Plastic Injection Moulding Company Derby.
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.