In many developing countries, agribusinesses are highly engaged in providing services to small-scale farmers, including agricultural advisory or extension services. Yet, the phenomenon of agribusiness-based advisory services (ABAS) has received little attention in the study of and discourse on advisory services. KIT, Agriterra, Moyee Coffee, and the Food & Business Knowledge Platform have therefore joined hands in a learning trajectory that studied advisory service delivery to small-scale farmers by agri-businesses. »