We are there to help you pass not watch you fail

Here at CDL Group we only hire Welding Inspectors that were formerly multi process coded welders themselves. This allows us to offer practical advice and support to your welders whilst taking their tests, consequently we have the highest pass rate in our industry!


Too often the feedback we receive from clients is of our ‘competitors’ operatives being thoroughly unhelpful and often not even being able or qualified to offer relevant advice or feedback. “He just sat there and drank tea whilst we welded and when asked what he thought of our test pieces the response was “how should I know I’m not a welder!” Needless to say these tests failed laboratory testing and CDL Group had to attend to help the welders understand why and to support them in achieving suitable samples for retest, which subsequently passed.


Due to our helpful attitude towards our clients needs, we are proud to be a Company who operates mostly on repeat business and our team of Inspectors grows each year, with carefully selected people, who share our vision for changing the industry for the better.

Weld Procedure and Welder Qualification( ‘Welder Coding’)

At CDL Group we can test and certify to all British, European and International Standards. Some of the more popular are listed below.

WPQR’s ‘Weld Procedure Qualification Records’

BS EN ISO 15613

BS EN ISO 15614



WQT’s ‘Welder Qualification Tests’ (Welder Codings)

BS EN ISO 9606


BS EN ISO 4872

BS EN ISO 14732 (Welder Operator Coding)



PED ‘Pressure Equipment Directive’

CDL Group are also a RTPO ‘Recognised Third Party Organisation’ for the witnessing of PED Tests.


All procedures undergo UKAS Accredited testing, are provided with UKAS documentation and all inspection staff are qualified Welding Inspectors to CSWIP 3.1 minimum, giving you complete peace of mind.