Welder Coding & NDT Services

At CDL Welder Coding and NDT Services we work with a small and carefully chosen team of highly skilled Welding Inspectors and Invigilators whose qualifications range from PCNII right through to an International Welding Specialist CSWIP3.2 PCNIII. Combining this wealth of experience with excellent people skills and UKAS accredited testing facilities we are able to offer what we believe is the best service in the industry.

“We are there to help you PASS, not watch you fail” – This is a genuine quote from one of our welding inspectors and nicely demonstrates the attitude we have towards invigilation. After all they had to perform these tests once themselves so they understand that a patient and helpful attitude goes a long way.

We are a company that operates mostly on repeat business as we value the relationship we have with our clients greatly. Please click on ‘Testimonials’ tab at the top of the page to see feedback from some of our previous clients.

We cover most procedures including MIG/MAG, MMA, TIG and FLUXCORE in Mild Steel, Stainless and Aluminium and can certify to BS EN 15614, ASME, BS EN 9606, BS EN 287-1, BS EN 4872 and many more!


Is this your 1st coding? Why not have some training beforehand to further maximise your chances of passing. One of our Inspectors/Trainers can spend some time with you beforehand showing you exactly what is expected before you take your test.


All testing is carried out at a UKAS Accredited Laboratory and all necessary documentation including WPQR’s, Welder Approvals and Lab Test Reports are supplied free of charge.

On and Off Site ‘Non Destructive’ and ‘Destructive’ Testing

We offer a vast range of testing from Dye Penetrant and Magnetic Particle right through to Radiography and Ultrasonic.

For more information please contact our customer services on 01686 806677 or info@cdl-group.co.uk