At the level of each type of organization, human capital has an essential role in the dimensioning of performances, working hand in hand with the level of knowledge held, but also with work satisfaction and motivation. Today, human intelligence is considered to be a basic component of the wealth of any organization. Having a suitable man at the right place and at the right time has become a priority for any type of healthy business. Ensuring lasting competitive advantage is a must for any organization today more than ever, an advantage that can only be achieved by generating synergy between all the factors involved in the organizational process, in which a priority role belongs to the internal ones. Human capital, skills, experience, knowledge, attitudes, creativity specific to the staff, contribute decisively to ensuring the organization of competitiveness and to the sustainability of any kind of business.