The market economy has reduced the number of large enterprises and has determinated the emergence ofa special class like small and medium-sized enterprises. Those companies play a special role in the nationaleconomy, especially through the fact that attract about 65% of employees in Romania, makes significantinvestments, takes approximately 30% of gross value added in the national economy, operates mainly in servicesactivity, are flexible, concerned with development and have the ability to adopt new technologies. The SMEsector has been affected by the crisis, but not in the same measure as large enterprises. This fact is demonstratedby the economic and financial indicators that I have analised, in 2011 SME beeing able to overcome the crisisand to achieve higher performance than in the years before crisis. The SME sector is considered the most activesector of the modern economy, plays a important role in the economic structure of our country, helping to ensureeconomic and social development as it is shown by the strong bond that exist between the GVA in SME sectorand total GVA added to the national economy, demonstrated in the calculations that I have made in this study
