Manthorpe Engineering
Forty Horse Close, Codnor Gate Business Park, Ripley, DE5 3ND
About
Manthorpe Engineering Limited, a UK-based contract manufacturer established in 1978 and located in Ripley, Derbyshire, specialises in high-integrity fabrications and complex component manufacture for demanding sectors including power generation, defence, nuclear engineering, and aerospace. Their comprehensive capabilities encompass precision machining, fabrication, welding, assembly, and inspection, working with materials such as carbon steel, Weldox, Duplex, Super Duplex, stainless steel, and Aluminium, and featuring advanced machining equipment for large components. Holding a robust portfolio of quality certifications including ISO 9001, ISO 14001, ISO 45001, BS EN 9100, and NADCAP accreditation, and listed on JOSCAR, Manthorpe Engineering has a proven track record with major clients like Rolls-Royce Submarines and BAE Systems Submarines, demonstrating their expertise in delivering critical components for complex projects.
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Manthorpe Engineering Limited is a UK-based contract manufacturer established in 1978, specialising in high-integrity fabrications and complex component manufacture. Located in Ripley, Derbyshire, the company offers a comprehensive suite of services designed to meet the stringent demands of its clientele.
Their extensive capabilities include precision machining, fabrication and welding, assembly, and inspection. They work with a wide range of materials, including carbon steel, Weldox, Duplex, Super Duplex, stainless steel, and Aluminium, and possess advanced machining equipment capable of handling large components. Manthorpe Engineering serves demanding sectors such as power generation, defence, and nuclear engineering, as well as the aerospace industry.
The company holds a robust portfolio of quality certifications, including ISO 9001, ISO 14001, ISO 45001, BS EN 9100, and NADCAP accreditation. They are also listed on JOSCAR and have a proven track record with major clients like Rolls-Royce Submarines and BAE Systems Submarines, demonstrating their expertise in delivering critical components for complex projects.
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CNC capability6
- Sub-process
- Milling
- Specialist categories
- Large-envelope
- CAM software
- Siemens NX CAM
- Aerospace-grade CAM
- Yes
- CAD software
- Siemens NX
- MOQ (minimum batch)
- 1
Materials & sectors2
- Materials
- Stainless steel
- Industries served
- Defence, Nuclear, Sub-sea, Aerospace, Oil & gas
Certifications & approvals4
- ISO 9001
- Held
- ISO 14001
- Held
- AS9100
- Held
- Primes supplied
- Rolls-Royce Submarines, BAE Systems Submarines
Quality & traceability2
- NDT methods
- PT, RT, VT
- In-house toolroom
- Yes
Welding & fabrication5
- Welding materials
- Stainless
- Coded welding (any)
- Yes
- Fabrication offered
- Yes
- Fabrication sub-categories
- Structural steel
- EN 1090 EXC level
- EXC4
Services & production3
- DFM support
- Yes
- In-house finishing
- Deburring, Grinding, Polishing
- Repeat orders (Kanban / VMI)
- Yes
19 of 41 facets not yet verified — show which
CNC capability: Named machine brands · Tier-one builder presence · In-house design · Tolerance (typical) · Tolerance (tight) · Micro-machining · Lead time (weeks)
Certifications & approvals: ISO 13485 · IATF 16949 · NADCAP · ITAR registered
Welding & fabrication: Welding automation
Quality & traceability: Part marking · Process traceability · CofC offered · Cleanroom assembly · 3D scanning · Industrial CT · FAIR capability (AS9102)