RSK Group is certified to ISO 9001. To ensure high levels of quality and professionalism in every aspect of our work, we use a documented Quality Management System based on ISO 9001, ISO 17025 and ISO 17020. It details individual and corporate responsibilities and all the processes and resources necessary for high-quality service. In November 2007, the Achilles Verify scheme gave RSK a 95.8% rating for its quality management system and 90% for its on-site performance in this area.