The Circular Economy Institute (CEI) provides circular economy-oriented training and certificates. It organises seminars, training sessions, webinars and publications to enable alumni and other stakeholders to stay current on developments in the circular economy. 

Its certificates are professional credentials for those aiming to excel in the circular economy. The certificates available are "Circular Economy Trained", "Circular Economy Specialist" and "Circular Economy Instructor".

The CEI aims to promote the highest standards of practice in the circular economy field, with a view to building the strong leadership needed internationally to shift from linear to circular.