Gemini Prototyping
Unit 20 Wornal Park, Menmarsh Road, Worminghall, HP18 9JX
About
Gemini Manufacturing is a UK-based contract manufacturer offering end-to-end plastic part production, from prototyping to full-scale manufacturing, exclusively within their UK facilities for a guaranteed "Made in the UK" commitment. They specialize in low to medium volume production runs, utilizing a broad range of processes including injection moulding, liquid silicone rubber moulding, blow moulding, thermoforming, and vacuum forming, complemented by secondary services like blister packaging, welding, assembly, and finishing. Further supporting clients, Gemini provides product design, development, rapid prototyping, CNC machining, and tooling. Serving critical sectors such as medical, aerospace & defence, and drone & autonomous systems, their ISO 9001 certification highlights their commitment to quality management, with their strongest differentiator being their reliable, integrated, and entirely UK-based manufacturing solutions.
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Gemini Manufacturing is a UK-based contract manufacturer providing comprehensive plastic part production services, from initial prototypes to full-scale manufacturing. Operating entirely within their UK facilities, the company specializes in low to medium volume production runs, ensuring a "Made in the UK" commitment without subcontracting.
Their extensive capabilities include injection moulding, liquid silicone rubber moulding, blow moulding, thermoforming, and vacuum forming. Gemini also offers a range of secondary services such as blister packaging, plastic welding, assembly, and finishing and decoration. Complementing their manufacturing expertise, they provide product design and development, rapid prototyping, CNC machining, and tooling services, serving critical sectors like medical, aerospace & defence, and drone & autonomous systems.
Gemini Manufacturing holds ISO 9001 certification, underscoring their dedication to quality management. While specific prime contractor approvals are not detailed, their focus on high-specification industries and their end-to-end UK-based operations are key differentiators for clients seeking reliable and integrated manufacturing solutions.
Verified facts— hover any value to see its source
Press fleet1
- Moulding processes
- Injection moulding, LSR moulding, Blow moulding
Moulding capability3
- Process specialisms
- 2K / twin-shot
- Joining methods
- Other joining
- Decoration
- Pad printing
Production3
- Batch tiers
- High volume, Prototype
- Handles prototypes
- Yes
- Handles volume production
- Yes
Prototyping & NPD2
- Product-design service
- Yes
- DFM support
- Yes
Assembly & finishing1
- Assembly offered
- Yes
Machining1
- Contract machining
- Yes
Certifications & accreditations1
- ISO 9001
- Held
Identity & contact1
- Industries served
- Medical & healthcare, Aerospace defence, Automotive
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Press fleet: Smallest press (t) · Largest press (t) · 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) · Cleanroom class · Certified cleanroom · Scientific moulding · Product specialisms
Materials: Material modifiers · Recycled content offered · Recycled feedstock types · ESD-capable
Prototyping & NPD: Prototyping routes · Prototypes in final material · Prototyping offered · Mould-flow simulation
Tooling: In-house toolroom · Tool services · Tooling origin · Tool trials offered
Production: Runs 24/7 · Bridge production
Assembly & finishing: Assembly capabilities
Quality & inspection: FAI methodology · CMM · Inspection stages · SPC / Cpk · Automated vision QC
Certifications & accreditations: ISO 14001 · ISO 13485 · IATF 16949 · BRCGS Packaging · AS9100 · Cyber Essentials · Food-contact compliance · UL listing · Trade bodies