Abstract: This paper explores the social and economic implications of indigenous Christian discourses and practices in the Wenzhou Chinese diaspora in Paris, France. Popularly known as China’s Jerusalem, the coastal Chinese city of Wenzhou is home to thousands of self-started home-grown Protestant churches and a million Protestants. Drawing on multi-sited fieldwork, this study provides an ethnographic account of a group of Wenzhou merchants who have formed large Christian communities at home, along with migrant enclaves in Paris. The study shows how these migrant entrepreneurs and traders have brought their version of Christianity from China to France and how they perceive and deal with issues of illegality, moral contingency, native-place based loyalty and national belonging. It highlights the thoroughly intertwined relationship between an indigenised Chinese Christianity and the petty capitalist legacy of coastal southeast China in a secularised, exclusionary European context, and suggests that Christianity provides a form of non-market morality that serves to effectively legitimate Wenzhou’s pre-modern household economy in the context of market modernity.