Business Details
35 Years
experience
Your Trusted Partner for Precision Engineering Solutions in Plymouth
Sigma Precision Engineering has been delivering world-class precision engineering solutions from Plymouth since 1991. With over 44 years of combined experience, our team specialises in advanced machining, tooling design, and automation equipment for global industries including automotive, aerospace, and medical sectors. We maintain rigorous quality standards demonstrated by our BS EN ISO 9001 and 14001 accreditations, ensuring every project meets exacting specifications. Our commitment to innovation is reflected in continuous investment in cutting-edge technology and skilled engineers.We collaborate closely with clients throughout project lifecycles, offering CAD/CAM design, precision machining, and comprehensive after-sales support. Our reputation as problem-solvers stems from creating custom solutions that address complex engineering challenges across diverse sectors. Backed by a global customer base and decades of repeat business, we prioritise precision, reliability, and client satisfaction in every endeavour.
Services
Precision Machining
CNC Machining
Jigs & Fixtures
Tooling Design
Automation Equipment
Titanium Components
Plastic Mould Tooling
Bend-tube Tooling
Details
- Year established: 1991
Highlights and features
- We have over 44 years of combined engineering expertise.
- Our ISO 9001 and 14001 certifications ensure quality and environmental standards.
- We invest continuously in the latest machining technology.
- Our global customer base spans automotive, aerospace, and medical sectors.
- We provide end-to-end project support from design to delivery.
Associations and certifications
- BS EN ISO 9001
- BS EN ISO 14001
Services
Precision Machining
Our precision machining services utilise advanced CNC technology to produce complex components with tight tolerances. We work with metals and composites for aerospace, automotive, and medical applications. Our processes ensure dimensional accuracy and surface finish quality for critical engineering projects.
Tooling Design
We design and manufacture custom jigs, fixtures, and tooling solutions for manufacturing efficiency. Our designs improve production repeatability and safety across industries. Specialised solutions include bend-tube tooling and hydroforming systems for automotive applications.
Automation Equipment
Our automation equipment includes custom-built machines for assembly and testing. We develop electrical/pneumatic control systems and modular units compliant with CE standards. Solutions enhance production efficiency for medical, automotive, and avionics sectors.
Titanium Components
We produce titanium components offering 50% weight reduction compared to stainless steel. These components combine aerospace-grade strength with corrosion resistance. Applications include aircraft parts and high-performance automotive components requiring weight optimisation.
Plastic Mould Tooling
Our plastic mould tooling provides cost-effective alternatives to metal components. We design tools for injection moulding and vacuum forming processes. This service supports production of complex plastic parts for white goods and medical device manufacturing.
Questions
What industries do you serve?
We serve automotive, aerospace, military, medical, white goods, and Formula One sectors with precision engineering solutions.
How do you ensure quality standards?
We maintain BS EN ISO 9001 quality and ISO 14001 environmental management systems across all operations.
What machining capabilities do you offer?
We provide 3D CNC machining, surface grinding, and spark erosion for complex metal components up to 1000mm dimensions.
Can you design custom automation systems?
Yes, we develop special-purpose automation equipment including robotic assembly stations and testing units.
Do you work with titanium materials?
Yes, we manufacture titanium components that are 50% lighter than stainless steel with equivalent strength.
What CAD software do you use?
We utilise SolidWorks and Delcam CAD/CAM systems for 2D/3D design and manufacturing programming.
