International economics and labour policy focus particular attention on the promotion of company start-ups and transfers. There is hardly any other phenomenon that receives as much consensus (from politics as well) than the support of start-ups and young enterprises. But newly founded companies are subject to a variety of risks, including deficits of experience, competencies, and information. These competency gaps can be reduced by start-up consulting. This article provides an extensive overview of start-up consulting in the German language realm. It addresses a field within entrepreneurship research where so far no overall theory has been developed and where empirical studies are rare.