OEm Working Papers series is designed to make available to a wider readership preliminary results or research in progress on Portuguese emigration. The papers are published to stimulate research-based debates on migration issues. Proposals and comments are welcomed. ; Este artigo constitui um estudo preliminar sobre os empresários portugueses no exterior, centrado no caso dos portugueses no Luxemburgo. Caracteriza-se, na primeira parte, a evolução da emigração portuguesa para aquele país e a sua inserção no mercado de trabalho. Na segunda parte, aprofunda-se o conhecimento sobre as atividades empreendedoras dos emigrantes portugueses e analisam-se diferentes fatores com impacto sobre a criação e o desenvolvimento de práticas empreendedoras entre os portugueses no estrangeiro. ; This paper is a preliminary study of Portuguese entrepreneurs abroad, focused on the case of the Portuguese in Luxembourg. We characterize, in the first part, the evolution of Portuguese emigration to that country and their integration into the labour market. In the second part we analyse the entrepreneurial activities of Portuguese emigrants and analyse different factors that impact on the creation and development of entrepreneurial practices among Portuguese abroad.