This report presents nine tangible public benefits which can be derived from development-led archaeological investigation, illustrated by genuine case studies from across Europe and beyond. It is designed to act as a resource for all archaeological heritage managers, archaeologists, and other stakeholders to help make the case for supporting development-led archaeology, and to help shape investigation projects to get the most out of them for the public. It recognises that the benefits of archaeology go far beyond its inherent value in creating knowledge about our shared past, creating many other societal and scientific benefits. It demonstrates very small additional cost of development-led archaeology at the state level, and concludes that this cost is outweighed by the positive benefits which can be realised if planned into projects from the outset. This report is a short overview of the subject. A longer version with case studies (EAC Guidelines 5) is also published by EAC.