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Business Details
50+ Years
experience
Precision Engineering Solutions in Northampton
Established in 1966, Cousins Engineering has built a reputation as a leading provider of precision-engineered components for diverse sectors including Defence, Marine, Telecommunications, and Commercial Automotive. Our expertise spans prototype development to large-scale batch production, utilising advanced CNC machining technologies and a wide range of materials from stainless steel to exotic alloys. With a dedicated quality department operating under ISO 9001 certification, we ensure rigorous inspection processes from initial design to final delivery.

Our team of skilled engineers actively collaborates with clients to optimise component designs for cost efficiency while maintaining technical integrity. Over five decades of continuous investment in cutting-edge machinery and workforce development has solidified our position as a trusted subcontract supplier in the precision engineering sector.
Services
CNC Multitasking Machining CNC Milling CNC Turning CAD/CAM Programming Stock Control Supplementary Services Materials Machining
Details
  • Year established: 1966
Highlights and features
  • 50+ years of precision engineering expertise
  • ISO 9001-certified quality management system
  • 21st-century CNC multitasking machining capabilities
  • Dedicated quality department with CMM inspection
  • Materials expertise spanning exotic alloys to plastics
Associations and certifications
  • ISO 9001
Services
CNC Multitasking Machining
Our Mazak Integrex machines enable complex component production in single setups. This reduces lead times while maintaining precision for intricate geometries across metal and plastic materials. Ideal for aerospace and medical device manufacturing sectors requiring tight tolerances.
CNC Milling
3- and 4-axis machining centres handle components up to 1.7m in length. Network integration with CAM software ensures efficient programming for large batch production of industrial and defence sector components requiring high accuracy.
CNC Turning
2- and 3-axis lathes with live tooling produce turned components from 10mm to 400mm diameters. Barfeed systems enable continuous production of complex shafts and connectors for automotive and electronics industries.
Quality Control
Dedicated quality department with CMM and precision tools ensures 100% inspection compliance. We provide PPAP, ISIR, and material certificates for critical applications in regulated industries like defence and aerospace.
Materials Machining
Machining capabilities span 30+ materials including stainless steel, titanium, Hastelloy, and engineering plastics. Our engineers optimise cutting parameters for each material to ensure dimensional accuracy and surface finish integrity.
Questions
What industries do you serve?
We supply precision components to Defence, Marine, Telecommunications, Electronics, Oil & Gas, Commercial Automotive, and Leisure sectors.
What materials can you machine?
We work with stainless steels, Hastelloy, titanium, aluminium alloys, brass, phosphor bronze, engineering plastics, and cast iron.
Are you ISO certified?
Yes, we operate under ISO 9001 certification with documented quality control processes for component inspection and traceability.
What production capacities do you have?
Our 12,000 sq ft facility houses 21 CNC machines enabling batch production from prototypes to large volumes with 'done in one' machining capabilities.
How do you ensure quality?
Components undergo first-off, in-process, and final inspections using CMM and precision hand tools. We provide full documentation including material certificates and conformity reports.
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Reviews (1)
Ewan Priestley
Aug 27, 2019 Report
Dont pay their workers enough! Most of their workers dont even work 90% of the time. Treat their employees appallingly and selfish.