Using matched employer-employee data, we examine the main characteristics of immigrants in the Portuguese labour market in the 2002-2008 period. We find substantial differences in labour market outcomes between native and immigrant workers and among different nationality groups, in terms of age, gender, tenure, worker flows, geographical and sectoral concentration, and education levels. As in other countries, the wages of immigrants in Portugal are lower than the wages of natives, though growing at a higher pace in the period analysed. Moreover, downward wage rigidity appears to be slightly higher for immigrants than for natives.