Effect of Market Orientation (MO) on Business Performance in MSMEs as mediating by Dynamic Marketing Capabilities (DMC) is a topic related to business performance still needs to be done research and assessment,moreover, it is linked to marketing studies. Dynamic marketing capability is an interesting theme to be studied empirically. This study aims to determine whether the DMC can mediate the influence of market orientation onbusiness performance. The research methodology recycled was descriptive quantitative using simple linear regression analysis and using SPSS v 23 and Amos v 23 software calculating tools, through a measurement model using Confirmatory Factor Analysis (CFA) and Product of Coefficient Strategy analysis: Single Mediation Model, withsamples 74 MSMEs. This study shows that the DMC variable can mediate the influence of Marketing Orientation and Business Performance on MSMEs in Sukabumi City, West Java, Indonesia in 2018.