What is the impact of my activities and production chains on the wider society? And how do I map and present them in my annual reports? Companies that participated in Green Deal Cooperation were asking themselves these questions, in order to improve their transparency in natural and social capital. ImpactReporters was asked to make an inventory of the lessons that have been learned during the past few years and communicate these to the outside world. Lessons that could be interesting for other businesses, including small and medium-sized companies.