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Trusted Precision Engineering Solutions in London
H E C Precision has been delivering subcontract machining services under consistent leadership for three decades. Our team of engineers brings over 25 years of specialised expertise in precision engineering, ensuring adherence to the highest quality standards across aerospace, automotive, security, and commercial sectors. As pioneers in 5-axis machining technology since 1998, we combine automation with rigorous quality assurance frameworks, including EN 9100 and ISO 9001 certifications, to meet exacting client demands.

Our enduring partnerships with leading OEMs like BAE Systems and Airbus underscore our reliability and technical excellence. Continuous investment in advanced machinery, staff development, and infrastructure ensures we maintain competitive edge while delivering cost-effective, precision-critical components globally.
Services
CNC Machining 5 Axis Machining Finishing Services High Speed Machining Precision Engineering Aerospace Components Automotive Components Defence Components Quality Assurance Automation Solutions
Highlights and features
  • We offer 30 years of consistent leadership in precision machining.
  • Our engineers provide over 25 years of specialised technical expertise.
  • We hold EN 9100 and ISO 9001 quality management certifications.
  • Our automation capabilities enable efficient unmanned production runs.
  • We maintain long-term approvals from industry leaders like Airbus.
Associations and certifications
  • EN 9100
  • ISO 9001
  • BAE Systems
  • Airbus
Services
CNC Machining
Our CNC machining capabilities deliver precision-engineered components using state-of-the-art equipment. Specialising in complex geometries, we serve aerospace and automotive sectors with tight tolerances. Automation integration ensures consistent quality and efficiency for high-volume production runs.
5 Axis Machining
Pioneering 5-axis technology since 1998, we produce multi-dimensional components with exceptional accuracy. This reduces setup times and enhances surface finish quality. Ideal for intricate aerospace and defence applications requiring single-setup machining.
Finishing Services
Comprehensive finishing solutions ensure components meet functional and aesthetic requirements. Processes include deburring, polishing, and coating applications. Critical for aerospace parts requiring corrosion resistance and fatigue performance optimisation.
Aerospace Components
Precision components manufactured to stringent EN 9100 standards with Airbus and BAE Systems approvals. Specialised in turbine blades, structural parts, and landing gear components. Full traceability and inspection documentation provided for regulatory compliance.
Automation Solutions
Unmanned production systems maximise throughput while maintaining quality consistency. Robotics integrate with CNC cells for 24/7 operation. Reduces lead times and human error risk, particularly for high-volume automotive component manufacturing.
Questions
What industries do HEC Precision serve?
We specialise in aerospace, defence, automotive, and commercial sectors requiring precision-engineered components.
Are you certified to international quality standards?
Yes, we hold EN 9100 for aerospace and ISO 9001 certifications with approvals from Airbus and BAE Systems.
What machining technologies do you utilise?
We employ CNC machining, 5-axis technology, and automated systems for precision and efficiency.
Can you handle complex component designs?
Our 5-axis machining capabilities allow single-setup production of complex geometries with tight tolerances.
How do you ensure component quality?
Through EN 9100/ISO 9001 frameworks, in-process inspections, and final QA documentation for full traceability.
Do you offer automation-compatible production?
Yes, our facility integrates robotics with CNC cells for unmanned, high-volume manufacturing runs.