This publication examines the economic and financial situation of Portuguese non-financial corporations, based on information compiled by the Central Balance-Sheet Database of Banco de Portugal. This analysis focuses chiefly on the 2006-2009 period, for which there are detailed data on most enterprises within this institutional sector. Furthermore, this Study includes some additional details for the year 2010 as regards banking loans, drawn from the Central Credit Register, and securities other than shares, drawn from Securities Statistics Integrated System.