Management Systems Specialists for All Industries CDL Group is a leading provider of certification, testing, training and specialist materials supply. SERVICE, QUALITY and VALUE every step of the way For large companies this means protecting your reputation, reducing risk and reassuring your stakeholders. For SME’s – showing compliance to recognised standards such as ISO 9001 can replace the power of a big brand and help to secure new business and build your reputation. All our training and certifications offer UK and Internationally recognised accreditations, from ISO to Health and Safety giving you peace of mind that you are receiving something worthwhile.