The article represents final result of realized project CNCSIS 2006-2007, that has been focused on the competitiveness SME. Those results have shown that majority of tested firms is flexible in respect to changes in the environment, but without planned approach. Such flexibility is based on the abilities of employees, informal organization, teamwork, direct surveillance, personal engagement of entrepreneur, strong cohesion between the entrepreneur and employees. Also, personality and knowledge of the entrepreneur affect the style of management. Incomplete knowledge of managerial methods and time management has been noticed. In order to be successful, SME must obtain international competitiveness.