Very good to deal with listened to my…
Very good to deal with listened to my requirement and hit all deadlines
March 24, 2026
Unprompted review
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Company details
Written by the company
DIA Systems is a UK-based manufacturer and supplier specialising in high-quality aluminium extrusions and bespoke retail display systems. Established in 1997 and headquartered in Peacehaven, East Sussex, the company supports the shopfitting, joinery, and glazing industries with precision-engineered products manufactured to UK and EU standards. With over 25 years of experience, DIA Systems offers a wide range of components—including joinery profiles, recessed slotted sections, slatwall systems, brackets, trims, and custom profiles—designed to meet exact client specifications. The company is known for its commitment to quality, reliability, and tailored solutions, serving clients across the UK and internationally.
Contact info
Dayton House, Bolney Avenue, BN10 8HF, Peacehaven, United Kingdom
- 01273582241
- sales@diasystems.co.uk
- diagroup.co.uk
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Dia Systems Review
Dia Systems consistently provide excellent communication. They are proactive in keeping us updated on stock availability and lead times, which makes planning much easier. Their team regularly checks in to ensure we are satisfied as a client, and they are always responsive and helpful. Overall, a reliable supplier with a strong focus on customer service.
April 24, 2026
Unprompted review
Great company once ordered product…
Great company once ordered product produced in a timely manner
April 22, 2026
Unprompted review
Reply from DIA Systems Limited
Thanks for your feedback — we really appreciate it!
Excellent service
We have worked with DIA Systems for over 10 years. In that time, they’ve consistently proven themselves to be reliable, professional and easy to work with.
Whether it’s a regular order or a special request, they’ve always been very accommodating and helpful.
We would not hesitate to recommend DIA Systems.
April 22, 2026
Unprompted review
Reply from DIA Systems Limited
Thanks so much for the kind feedback and for working with DIA Systems over the past 10 years — we really appreciate your continued support!
It’s great to hear we’ve been reliable and easy to deal with.
We really value the relationship and your recommendation, and we look forward to working with you for many more years.
Alternative Supplier
We initially made contact with DIA as an alternative to our usual supplier who was giving us the run around. DIA stepped up, quoted very quickly and had the materials through to us when promised. We will definitely be using DIA on further contracts.
February 26, 2026
Unprompted review
Reply from DIA Systems Limited
Thanks for the great feedback — really glad we could step in and help when you needed a reliable alternative.
Good to hear the quoting was quick and everything arrived when it should. That’s exactly what we aim for.
We appreciate the opportunity and look forward to working with you again on future contracts.
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