Mitre Plastics

Moss Way, Preston Farm Industrial Estate, Stockton On Tees, TS18 3TF

About

Mitre Plastics, a family-owned UK contract manufacturer based in Stockton-on-Tees, leverages over 45 years of experience in plastic injection moulding and toolmaking from a 40,000 sq.ft. facility equipped with 30 machines (25-1500 tonne clamp capacity) operating 24/7. They mould a range of polymers into components from 1g to 6kg, serving sectors including automotive (as a tier-2 supplier), domestic goods, electronics, and packaging, with comprehensive project management from design to manufacture, supported by an engineering team and offering services like printing, insert-moulding, painting, assembly, and welding. Holding IATF 16949 and ISO 9001:2015 certifications, Mitre Plastics differentiates itself by offering Tier 1 services at Tier 2 prices, underpinned by reliable supply, excellent technical support, and the agility of a self-sufficient, family-owned structure enabling quick decision-making and investment in new plant.

More detail ↓

Mitre Plastics is a well-established, family-owned plastic injection moulding and toolmaking company based in Stockton-on-Tees, UK, with over 45 years of experience. Operating from a substantial 40,000 sq.ft. facility, the company employs 100 staff and utilizes 30 injection moulding machines with clamp capacities ranging from 25 to 1500 tonnes, running 24 hours a day.

The company specialises in moulding a variety of polymers, including PP, ABS, Nylon, and Polycarbonate, to produce components weighing from 1 gram to 6 kilograms. Mitre Plastics serves diverse industries, with a significant focus on the automotive sector where they act as a tier-2 supplier, alongside domestic goods, electronics, and packaging. Their capabilities extend to comprehensive project management from design to manufacture, supported by a specialist engineering team and offering added-value services such as printing, insert-moulding, painting, assembly, and welding.

Mitre Plastics holds IATF 16949 and ISO 9001:2015 certifications, positioning themselves as offering Tier 1 services at Tier 2 prices. Key differentiators include reliable supply, excellent technical support, and a low-risk, self-sufficient operation, facilitated by their family-owned structure which allows for quick decision-making. They are also open to investing in new plant to meet evolving customer requirements.

Verified facts— hover any value to see its source

Press fleet5

Moulding processes
Smallest press (t)
Largest press (t)
Press count
Large-format (≥1,000 t)

Moulding capability5

Process specialisms
Min part weight (g)
Max part weight (g)
Scientific moulding
Decoration

Production3

Batch tiers
Handles prototypes
Handles volume production

Prototyping & NPD1

DFM support

Tooling2

Tool services
Tooling origin

Quality & inspection3

FAI methodology
Inspection stages
SPC / Cpk

Certifications & accreditations2

ISO 9001
IATF 16949

Identity & contact1

Industries served
, , , ,
34 of 56 facets not yet verified — show which

Press fleet: Press brands · Premium press fleet · All-electric presses

Moulding capability: Micro moulding capable · Cleanroom class · Certified cleanroom · Joining methods · Product specialisms

Materials: Material modifiers · Recycled content offered · Recycled feedstock types · ESD-capable

Prototyping & NPD: Prototyping routes · Prototypes in final material · Prototyping offered · Product-design service · Mould-flow simulation

Tooling: In-house toolroom · Tool trials offered

Production: Runs 24/7 · Bridge production

Assembly & finishing: Assembly offered · Assembly capabilities

Machining: Contract machining

Quality & inspection: CMM · Automated vision QC

Certifications & accreditations: ISO 14001 · ISO 13485 · BRCGS Packaging · AS9100 · Cyber Essentials · Food-contact compliance · UL listing · Trade bodies