PI Castings was founded in 1950. We are one of the longest established manufacturers of investment castings in Europe, and one of just a few with the capability to produce high integrity castings in both Ferrous and Non-Ferrous metals from a single UK based location. In our business there is no substitute for experience, customer service and high quality – that is why P.I. Castings has become one of the largest manufacturers of investment castings in the UK.

PI Castings - aluminium castings made by investment casting

We have been making precision investment castings by the lost wax process for over 65 years and have a wealth of knowledge, which is invaluable when giving our customers technical advice and help with their projects, from the early design stages through to full production.

Our experience is backed up by some of the most comprehensive in-house facilities of any investment casting company. At PI Castings we have our own Rapid Prototyping machine, heat-treatment, mechanical testing, non-destructive testing, spectrographic analysis and co-ordinate measuring machines and our own machining facilities. We can produce finished components that satisfy your requirements without having to send castings off site – this allows us to uphold our high standards of quality control and save time in production. We also offer Low Cost Sourcing services, which allow us to deliver components that have been sourced externally yet meet our high quality control standards.



We offer the widest range of materials any investment casting company can offer; including Aluminium, Carbon Steels, Stainless Steels, High Alloy Steels, Tool Steels, Brass, Bronze and Zinc.

At PI Castings we pride ourselves on delivering high quality components and customer service that is second to none. Regardless of the nature of the component that we are manufacturing, all of our castings are produced to the same ISO 9001:2015 and AS9100D Aerospace standards. Our team has the experience and flexibility needed to meet the most stringent technical, quality and delivery requirements. This has enabled PI Castings to be approved by NADCAP and other international organisations.

PI Castings - steel castings made by investment casting


We produce investment castings for all types of industries including aerospace, defence, medical, electronics, transport, oil exploration, mining equipment and general engineering. The benefits of the Investment Casting process make it the ideal process to use to manufacture parts that require tight tolerances, good integrity and where weight is a consideration.

Our high standards have enabled us to achieve preferred supplier status with many major aerospace, defence, electronics, medical and engineering companies in the UK and overseas.

Get in touch

If you have any questions about our Investment Casting services, Machining services, Rapid Prototyping services or Low Cost Sourcing services, please make contact with one of our capable engineers and they will provide you with more information