cdl-group.co.uk

5
5 Based on 20 reviews

CDL Group offers ISO certification and NDT / Welding Coding Services. We have certified over 4000 businesses across the world, the majority of these businesses are situated in the UK & Ireland. The businesses that we have certified have stemmed from all t...

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5

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5

20 Reviews

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Della C
We’ve been using the services of CDL Group for over six years now and the support has consistently b

We’ve been using the services of CDL Group for over six years now and the support has consistently been excellent. The whole process is always smooth, well organised and completely hassle-free. Craig and Ian keep in regular contact by phone and email, ensuring everything runs efficiently and that our requirements are met. I wouldn’t hesitate to recommend them.

5
Date of experience: Feb 03, 2026
Robert McManus
CDL Group made the entire process very easy and achievable from start to finish. The support provide

CDL Group made the entire process very easy and achievable from start to finish. The support provided was excellent, and Ian was a brilliant auditor — knowledgeable, approachable, and genuinely helpful. He gave great advice throughout the audit, making it a very positive experience. I would highly recommend Ian and the CDL Group team.

5
Date of experience: Feb 03, 2026
Robert McManus
Ian was a brilliant auditor — extremely supportive

CDL Group made the entire process very easy and achievable from start to finish. The support provided was excellent, and Ian was a brilliant auditor — knowledgeable, approachable, and genuinely helpful. He gave great advice throughout the audit, making it a very positive experience. I would highly recommend Ian and the CDL Group team.

5
Date of experience: Feb 03, 2026
Darren W
Outstanding service from start to finish

We’ve had an excellent experience working with CDL Group, and I wouldn’t hesitate to recommend them to any business looking for certification, testing, or professional support.From the very first conversation, Craig Jones (Business Development Manager) was absolutely brilliant. He was friendly, knowledgeable, and took the time to properly understand our business and what we needed. Nothing ever felt rushed or sales-driven — just honest advice, clear explanations, and great communication throughout.The audit process itself was handled by Ian Jones, who was equally impressive. Ian was extremely professional, very approachable, and incredibly quick to respond to any questions we had. His guidance was clear and practical, and he made what could have been a stressful process feel straightforward and well organised.Overall communication from CDL Group was first-class — emails and calls were answered promptly, timelines were clear, and we always knew exactly where we stood. The team genuinely want you to succeed, not just tick boxes.The level of technical knowledge, professionalism, and support throughout the entire process was outstanding. Everything was handled efficiently, with a real focus on helping us achieve the right outcome for our business.We will absolutely be using CDL Group again in the future and would highly recommend them to any business considering their services.

5
Date of experience: Jan 26, 2026
Della C
Support You Can Rely On

We’ve been using the services of CDL Group for over six years now and the support has consistently been excellent. The whole process is always smooth, well organised and completely hassle-free. Craig and Ian keep in regular contact by phone and email, ensuring everything runs efficiently and that our requirements are met. I wouldn’t hesitate to recommend them.

5
Date of experience: Jan 22, 2026
Sophie
Excellent Experience for a Company New to ISO 9001

As a business newly working toward ISO 9001 certification, we couldn’t have asked for a better auditing partner. The entire process was incredibly smooth from start to finish. The auditors were professional, approachable, and made what initially felt like a daunting journey surprisingly straightforward.What really stood out was the quality of the feedback. Everything was clearly explained, constructive, and genuinely helpful in strengthening our quality management system. Their insight gave us confidence that we’re building a strong foundation for long‑term compliance and continuous improvement.Highly recommend to any organisation—especially those new to ISO 9001—looking for a supportive and thorough auditing experience.

5
Date of experience: Jan 21, 2026
Emma
Friendly, supportive and professional.

I have worked with the CDL team for the past three years to establish and embed ISO 9001, ISO 14001, and ISO 45001 within our business. Throughout this time, the team has consistently provided a friendly, supportive, and highly professional service.The auditors demonstrate a strong understanding of our business and apply the standards in a proportionate, value-adding way. Feedback and advisories from external audits are clear, practical, and constructive, supporting continual improvement rather than simple compliance.Overall, CDL’s approach provides assurance while genuinely supporting continuous improvement across the business.

5
Date of experience: Jan 15, 2026
Stephan
ISO9001 Certification…

As a start-up company ISO certification can be a daunting task. With the assistance of CDL Group Ltd and especially Craig we have managed to secure our ISO9001. Looking forward to working closely together with you moving forward.

5
Date of experience: Jan 05, 2026
Gillie  Gilbert
Great experience would recommend CDL group

I booked a couple of tests before Christmas I had great communication from the team and felt welcome when I arrived to their facility in Wales I would recommend to anybody looking to gain certification for their welding or employers looking to train their workforce!

5
Date of experience: Dec 19, 2025
Nayak Nihar Ranjan
We hadExcellent ISO Support and Professional Audit Experience a very positive experience…

We had a very positive experience working with CDL Group on our ISO journey. Craig was phenomenal throughout the process—always responsive, accommodating, and proactive in supporting our requirements. Thanks to his support, we achieved ISO 14001 and ISO 20000 certifications for Shivom Consultancy Limited promptly and on time.In parallel, CDL also supported A&A Digital Tech (AADT) in achieving new ISO 9001, ISO 14001, and ISO 45001 certifications, all delivered with the same level of efficiency and professionalism.Ian, the Lead Auditor, was extremely professional and a pleasure to work with. He provided clear guidance, practical direction, and conducted the audit in a collaborative and constructive manner, which made the experience both efficient and reassuring.We are continuing our journey with CDL Group for additional ISO standards and ongoing renewals, and would highly recommend them to any organisation looking for a knowledgeable, responsive, and dependable ISO partner.

5
Date of experience: Dec 18, 2025

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Business Details

  • CDL Group offers ISO certification and NDT / Welding Coding Services. We have certified over 4000 businesses across the world, the majority of these businesses are situated in the UK & Ireland. The businesses that we have certified have stemmed from all types of business sectors. We offer service, quality and value every step of the way.

  • email info@cdl-group.co.uk
  • call 01686806677
  • language https://cdl-group.co.uk

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