S G H (Moulds)

Bolton, North Westest. 1978sghmoulds.co.uk

Unit 55 Tonge Bridge Ind Estate,, Hypatia Street, Bolton, BL2 6BD

About

SGH (MOULDS) LTD, a UK-based contract manufacturer established in 1978 with five Greater Manchester sites, specialises in plastic injection moulding and integrated tooling, offering a vertically integrated solution from design and engineering to precision moulding and assembly, supported by extensive production, warehousing, and ISO Class 8 cleanroom facilities. Processing a wide array of polymers across injection moulding capacities from 22 to 650 tonnes, SGH serves diverse industries including Medical, Defence, Industrial Automation, and Consumer products, adept at low-volume, high-mix production managing around 1,000 active SKUs annually with typical tolerances of ±0.1 mm. Holding ISO 9001 and ISO 14001 accreditations, with ISO 13485 targeted, SGH's strongest differentiator lies in its in-house toolroom engineering with advanced CNC and EDM capabilities, coupled with a structured DFM approach and integrated warehousing offering JIT and logistics solutions, providing supply chain integration, transparency, and reduced geopolitical risk through UK-based operations.

More detail ↓

SGH (MOULDS) LTD is a well-established UK-based contract manufacturer, operating since 1978 from five sites in Greater Manchester. The company specialises in plastic injection moulding and integrated tooling services, offering a vertically integrated solution from design and engineering through to precision moulding and assembly. Their extensive facilities include production, warehousing, and ISO Class 8 cleanroom capabilities.

With injection moulding capacity ranging from 22 to 650 tonnes, SGH processes a wide array of polymers for diverse industries including Medical, Defence, Industrial Automation, and Consumer products. They are adept at low-volume, high-mix production, managing approximately 1,000 active SKUs annually. Their capabilities extend to comprehensive lifecycle manufacturing support, including tool maintenance, materials expertise, and dimensional control with typical tolerances of ±0.1 mm.

SGH holds ISO 9001 accreditation, maintained for over two decades, and ISO 14001 accreditation, with ISO 13485 targeted. They provide full tool validation and PPAP support. Key differentiators include in-house toolroom engineering with advanced CNC and EDM capabilities, a structured DFM approach to mitigate risk, and integrated warehousing with JIT and logistics solutions. Their UK-based operations offer supply chain integration, transparency, and reduced geopolitical risk, supported by structured stockholding and international shipping.

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Press fleet3

Moulding processes
Smallest press (t)
Largest press (t)

Moulding capability4

Process specialisms
Cleanroom class
Certified cleanroom
Product specialisms

Materials1

Material modifiers
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Production1

Batch tiers

Prototyping & NPD5

Prototyping routes
Prototypes in final material
Prototyping offered
DFM support
Mould-flow simulation

Tooling3

In-house toolroom
Tool services
Tool trials offered

Assembly & finishing2

Assembly offered
Assembly capabilities

Quality & inspection3

FAI methodology
Inspection stages
Automated vision QC

Certifications & accreditations2

ISO 9001
ISO 14001

Identity & contact1

Industries served
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Press fleet: Press count · Press brands · Large-format (≥1,000 t) · Premium press fleet · All-electric presses

Moulding capability: Micro moulding capable · Min part weight (g) · Max part weight (g) · Scientific moulding · Joining methods · Decoration

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

Prototyping & NPD: Product-design service

Tooling: Tooling origin

Production: Handles prototypes · Handles volume production · Runs 24/7 · Bridge production

Machining: Contract machining

Quality & inspection: CMM · SPC / Cpk

Certifications & accreditations: ISO 13485 · IATF 16949 · BRCGS Packaging · AS9100 · Cyber Essentials · Food-contact compliance · UL listing · Trade bodies