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Precision Engineering Solutions in Washington
We are P D Q Engineering Limited, a leading UK precision engineering subcontractor based in Washington, Tyne and Wear. Since our establishment, we have built a solid reputation for quality, accuracy, and cost competitiveness, specialising in manufacturing complex components for diverse industries worldwide. Our 11,500 square foot custom-built facility houses modern CNC machine tool technology, enabling us to produce parts from raw materials to finished articles with exceptional dimensional accuracy. We serve sectors including medical, subsea, energy, and aerospace, combining technical expertise with flexible production capabilities to meet prototype and full production demands. Accredited to BS EN ISO 9001:2023, our commitment to quality control ensures compliance with stringent industry standards.

Our experienced team, led by Managing Director Richard Mellett and Production Director David Pearce, utilises advanced machining centres and multi-tasking CNC lathes to work with metals, exotic alloys, and engineering plastics. We pride ourselves on adaptability, employing flexible shift patterns to minimise lead times while maintaining continuity of production. Our investment in technologies like laser marking systems demonstrates our dedication to providing complete solutions tailored to client needs. With decades of combined experience, we continue to innovate and expand our capabilities to deliver precision-engineered components that exceed customer expectations.
Services
Precision Machining CNC Machining Medical Equipment Components Subsea Engineering Laser Marking Quality Control Component Manufacturing Engineering Plastics Prototype Production Batch Machining
Highlights and features
  • ISO 9001-certified quality management system
  • Specialists in complex components with tight tolerances
  • Modern CNC machining centres and multi-tasking lathes
  • Flexible production for prototype to volume manufacturing
  • Experienced team with decades in precision engineering
Associations and certifications
  • ISO 9001:2023
  • ISO 9001-2015
Services
Precision Machining
We provide high-precision component manufacturing using advanced CNC technology. Our capabilities include machining metals, alloys, and engineering plastics with tight tolerances for diverse industries. Our processes ensure dimensional accuracy and surface finish quality.
Medical Equipment Components
Specialist production of precision parts for medical devices. We maintain strict quality controls to meet sector-specific regulatory requirements while delivering complex geometries and high repeatability for critical healthcare applications.
Subsea Engineering
Manufacturing components for subsea and offshore energy sectors. Our expertise covers corrosion-resistant materials and pressure-rated parts that meet demanding environmental specifications for underwater operations.
Laser Marking
Precision laser marking services for permanent identification on metal and plastic components. We offer 762mm x 432mm marking area capacity with high-visibility engraving for traceability in aerospace, electrical, and jewellery industries.
Quality Control
Comprehensive quality assurance using sophisticated measurement systems. Our ISO 9001-certified processes include geometric tolerance verification, material testing, and dimensional validation to ensure compliance with international standards.
People
Richard Mellett
Managing Director
With over 25 years in precision engineering, Richard leads strategic direction while maintaining focus on quality standards and client relationships across key industry sectors.
David Pearce
Production Director
David oversees manufacturing operations with 20+ years' experience in CNC machining optimisation, ensuring efficient production flows and technical excellence in component manufacture.
John Sanderson
Sales Manager
John manages client acquisition and project coordination, leveraging 15 years of industry knowledge to match PDQ's capabilities with customer requirements across multiple sectors.
Questions
What industries do PDQ Engineering serve?
We supply precision components to medical, subsea, energy, aerospace, and general engineering sectors, with capabilities spanning prototype development to volume production.
What materials can PDQ machine?
Our facilities handle metals including stainless steel, aluminium, and titanium, plus engineering plastics like PEEK and Delrin for diverse application requirements.
Are PDQ Engineering ISO certified?
Yes, we hold BS EN ISO 9001:2023 certification, demonstrating our commitment to quality management systems and continuous improvement.
What production volumes do you handle?
Our flexible manufacturing systems accommodate single prototypes through to high-volume batch production using multi-shift working patterns.
What precision tolerances can you achieve?
Our CNC machining centres maintain tolerances down to ±0.001mm, supported by advanced quality control equipment for dimensional verification.