At Leemark Engineering, we are proud to be one of the UK’s leading precision engineering companies, with over 50 years of experience in CNC milling, turning and sub-contract machining.
As an AS9100 and ISO9001 approved manufacturer, our reputation has been built on delivering consistently high quality, competitively priced components for the aerospace industry and other high-spec sectors including motorsport, satellite communications and pharmaceuticals.
From one-off prototypes to complex assemblies and hightolerance batch work, our team of skilled engineers works to the tightest deadlines, ensuring our customers’ specifications are not just met but exceeded. Our fully temperature-controlled facility in Hayes, West London is equipped with the latest 5-axis CNC machines, a dedicated inspection department and a comprehensive programming suite, enabling us to deliver components with exceptional precision and repeatability.
At Leemark Engineering, we’ve spent decades perfecting our craft. Founded in 1967 by Brian Stockwell, we began as toolmakers supporting local industry.
As demand grew for precision CNC work, we transitioned into sub-contract machining and quickly established a reputation for innovation and reliability.
We work closely with our customers to develop long-term, trusted relationships. Many of our clients have been with us for decades – a testament to the quality of our work and the reliability of our service. Whether you operate in aerospace, medical, defence, motorsport or satellite communications, we have the experience and technology to support your engineering requirements.





