SEDEX is a not for profit membership organisation dedicated to driving improvements in responsible and ethical business practices in global supply chains. Sedex Launches Next-Generation Sustainable Sourcing Platform . Sedex has launched a next-generation platform for sustainable sourcing. Sedex Advance provides tools and insights to help buyers, suppliers .We are glad to announce that has been admitted to the Sedex Audit Company Group, the group of audit companies visibly included in the Sedex ...