Business Details
38 Years
experience
Your Trusted Precision Engineering Partner in Stanley, County Durham
Established in 1988, Protocol Engineering has built a reputation for excellence in precision and general engineering. Our philosophy centres on training in-house apprentices, with many team members boasting over 20 years of service. We serve diverse sectors including automotive, aerospace, and pharmaceuticals, offering end-to-end solutions from design to manufacture. Our commitment to technical excellence, continuous investment in advanced machinery, and adaptability to client needs have sustained our success for over three decades. We prioritise flexibility, ensuring tailored solutions that meet evolving industry demands while maintaining rigorous quality standards. 
Services
CNC Milling
Conventional Milling
CNC Turning
Surface Grinding
Cylindrical Grinding
Reverse Engineering
Prototype Machining
Welding & Fabrication
Heat Treatments
Design & Development
Details
- Year established: 1988
Highlights and features
- We offer over 35 years of precision engineering experience
- Our team includes engineers with 20+ years of industry expertise
- We invest continuously in advanced machining technology
- Our apprenticeship programme ensures skilled workforce development
- We provide tailored solutions for diverse industrial sectors
Services
CNC Milling
We deliver high-precision CNC milling for components in steel, aluminium, and plastics. Our 1000mm x 500mm x 500mm capacity supports complex geometries. Clients benefit from rapid prototyping to batch production for automotive and aerospace sectors.
Reverse Engineering
Our team manufactures replacement parts without drawings using sample components. This service supports clients needing obsolete part reproduction with exacting tolerances for industrial machinery and equipment.
Prototype Machining
We assist clients from concept drawings to production-ready prototypes. Our engineers advise on material selection and design optimisation for functional testing across multiple industry applications.
Surface Grinding
Our surface grinding services handle CNC components and hand tools with tight tolerances. We work with metals and alloys to produce flat surfaces for machinery and industrial equipment.
Heat Treatments
We offer vacuum hardening, induction hardening, and plasma nitriding to enhance component durability. These treatments improve wear resistance for engineering parts in demanding operational environments.
People
John Urquhart
Managing Director
John Urquhart, Managing Director, has led Protocol Engineering since 1988. He champions apprenticeship training and strategic investment in machinery to maintain technical leadership in precision engineering.
Questions
What engineering services does Protocol Engineering offer?
We provide CNC and conventional milling, turning, grinding, reverse engineering, prototype machining, welding, heat treatments, and design services.
Which industries do you serve?
We support automotive, aerospace, plastics, food, electronics, and pharmaceutical sectors with precision engineering solutions.
How long has Protocol Engineering been in business?
We have been delivering engineering excellence since our establishment in 1988.
Do you handle custom or prototype projects?
Yes, we specialise in developing prototypes and custom components from client samples or specifications.
How do you ensure workforce expertise?
We train our own engineers through in-house apprenticeships, with many team members having over 20 years' experience.
