welcome to Sigma Components
Sigma Precision Components Ltd has a global reputation as a leading, aerospace manufacturing company. Sigma’s UK and China factories with its team of aerospace engineers offer a comprehensive precision machining and pipe manufacturing service for many of the leading names in the aerospace industry. Other applications include motorsport, nuclear and power generation.
Our products are:
- Aerospace pipes and tube assemblies
- CNC precision machined components
- Specialist aerospace fasteners
- Composite Components
Sigma can manage the supply chain on behalf of its customers to achieve the lowest risk and cost across the life cycle of a product.





