Denholm Rees & O'donnell

Liverpool 9, North Westest. 1958denholms.co.uk

110 Albany Road, Aintree, Liverpool 9, L9 0HB

Sets it apart · CNC Machining — UK · scanned 2026-08-20— click a claim to see its decomposition

About

Denholm Rees & O'Donnell Ltd., a UK-based precision engineering and contract manufacturing company with sites in Liverpool and Stoke-on-Trent, offers comprehensive subcontract services for individual components to complete assemblies, leveraging a collaborative approach to deliver high-quality engineering solutions. Their extensive capabilities include advanced CNC machining, conventional machining, fabrication, coded welding, assembly, and pressure testing, working with challenging materials like Monel K500 and Inconel 625. Serving diverse sectors including Oil & Gas, Petrochemicals, Aerospace, and Nuclear, the ISO 9001:2015 certified company, with fabrication staff trained to BS 4870 and ASME IX standards, excels in handling large components, as demonstrated by their work on pump shafts for the Hinckley Point C Nuclear Project.

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Denholm Rees & O'Donnell Ltd. is a well-established UK-based precision engineering and contract manufacturing company, operating from two sites in Liverpool and Stoke-on-Trent. With a history dating back to 1931, the company provides comprehensive subcontract services, handling everything from individual components to complete assemblies. They emphasize a collaborative approach to deliver high-quality engineering solutions.

The company's extensive capabilities include advanced CNC machining (turning, milling, boring, grinding), conventional machining, fabrication, coded welding, assembly, and pressure testing. They work with a wide range of challenging materials such as Monel K500, Inconel 625, FV520B, Hastelloy, and various stainless and carbon steels. Denholm Rees & O'Donnell serves diverse sectors including Oil & Gas, Petrochemicals, Motor Manufacturing, Aerospace, Marine, Food Processing, Power & Energy, Nuclear, and Recycling.

Denholm Rees & O'Donnell holds ISO 9001:2015 certification and their fabrication staff are trained to BS 4870 and ASME IX standards. They are adept at handling large components, evidenced by their work on pump shafts for the Hinckley Point C Nuclear Project and supporting OEMs in the pump and valve sector. The company offers end-to-end manufacturing support, from material sourcing to logistics, and utilizes integrated ERP systems to ensure seamless operations across their facilities.

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CNC capability6

Sub-process
Specialist categories
Named machine brands
Tier-one builder presence
Tolerance (typical)
Tolerance (tight)

Materials & sectors2

Materials
Industries served

Certifications & approvals1

ISO 9001

Welding & fabrication4

Welding automation
Welding materials
Fabrication offered
Fabrication sub-categories

Services & production2

DFM support
Repeat orders (Kanban / VMI)
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CNC capability: CAM software · Aerospace-grade CAM · CAD software · In-house design · Micro-machining · MOQ (minimum batch) · Lead time (weeks)

Certifications & approvals: ISO 14001 · AS9100 · ISO 13485 · IATF 16949 · NADCAP · Primes supplied · ITAR registered

Welding & fabrication: Coded welding (any) · EN 1090 EXC level

Quality & traceability: NDT methods · Part marking · Process traceability · CofC offered · Cleanroom assembly · 3D scanning · Industrial CT · In-house toolroom · FAIR capability (AS9102)

Services & production: In-house finishing