I really enjoyed the site visit - it is great to find a company that really has put in place so many good energy efficiency measures (most just spend years talking about it).

Emma Hutchinson, Director, Green Energy Partners Ltd & Energy Management Solutions Ltd

I hold your Company as a stellar example of how things should be done. I don't recall seeing a more professional establishment of that size. I feel privileged to have been shown around and taken care of.

Rob Henricksen, President and Chief Technical Officer, Research Group Three Inc (RG3)

Thank you so much for the tour of your facility. I was very impressed. The high level of professionalism was very obvious and it's clear to see why Castle Precision is a leader in this field.

I must say that in working for Rohm for 30 years I have not seen a factory that surpasses Castles discipline in terms of quality of product and their Manufacturing processes. The attitude of the engineers in their work reflects highly in the end product. If this philosophy was adopted widely in our manufacturing base we would be hard to beat!

Barry Long, Managing Director, Rohm GB Ltd

Supply Chain / Procurement director for product X has commented on how impressed he is with your company's capabilities. He indicated that they were particularly impressed by Castle's ability to produce complex parts

Ian P Wilson, Partner, Corporate Finance, Grant Thornton UK LLP

I can truly say that the Castle workshop, facilities and ethos that is being driven from Marcus Tiefenbrun is inspiring. It is the cleanest machine shop environment I have ever seen while the capital expenditure that is continually being spent definitely separates Castle from the competition and your strategy is refreshing to see.

Barry Rice, Rings Sales Manager, Firth Rixson Forging Ltd.

Excellent quality, first class communications and total reliability of product at an affordable price; keep up the good work.

QA Department, Aerospace Company.

Castle Precision delivers a consistent quality service.

Safety Systems Manufacturer.

Castle have been a strategic supplier for quite some time; their quality and delivery is first class, easy to approach and if I had two words to sum up Castle, it would be they are very professional.

Aerospace Manufacturer.

In my experience, Castle are an extremely capable vendor at the forefront of machining technology, big enough to cope but still small enough to care.

Oilfield Production Equipment Manufacturer.

My thoughts are that Castle Precision have supplied X Ltd for many years with the highest quality components and provided us with technical assistance whenever it was requested, we have always received an excellent service and would have no hesitation giving our recommendation as a company who provides engineering excellence at it's very best.

Energetic Materials Manufacturer.

The best Mori Seiki showroom in Scotland.

David Banham - Managing Director, Mori Seiki UK Ltd

Cracking supplier, always helping us to move onwards and upwards...

Defence Electronics Manufacturer.

'Walking around the Castle facility, you can't help but feel impressed by the level of initiative and innovation that is on display which truly reflects a 21st century Precision Engineering company.'

Defence Electronics Manufacturer.

Overall I would rate Castle as an outstanding supplier.

North Sea Oil & Gas Industry Supplier.

'Castle Precision are a highly reputable sub contract machining company whose deserved success is mainly due to the forward thinking and continued investment of its Managing Director and his highly skilled management team and competent workforce.'

Jim Rennie - Director, Integrated Engineering Support Ltd

Castle is an advanced high precision machining company with a workforce, factory and systems equipped for 21st century machining requirements.

George Kennedy - Sales Manager (Scotland)

Dealings with your Quality team are pleasant and I always obtain a very professional response; not once has an issue been unresolved.

Quality Inspector - QA Department, Aerospace Company.

I've seen quite a few operations, but you do indeed have a degree of blue water between yourself and most of your peers.

Tim Routsis, CEO, Cosworth


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Castle Precision are a high quality turnkey supplier of complex machined components and assemblies to leading multinational customers in the high tech sectors of Europe and North America.

Our Virtual Factory Tour displays one of the foremost independent production facilities in Europe and the range of capabilities available to our customers.

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60 years of Castle

Castle’s 60 for 60 is a series of activities, events and initiatives to celebrate our 60th Anniversary and mark our commitment to customers, staff, suppliers and the community.

60th Anniversary

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History & Heritage

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Plant List

Plant List

Castle is able to offer a comprehensive solution to all of your machining requirements and has a sustained programme of investment into the latest machine tool technology.

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