Factors that are affecting an organization can be internal and external. Internal factors make the main environment of an organization and organization actually creates them. With external factors is not like that. External factors are already within the organization when it begins its activities and can not be changed nor influenced. It is very important that they complement each other, ie. that business activities are linked and directed towards the same goal as this is the only way an organization can be successful. Today's organizations are facing with numerous legal, political, and even cultural and social issues in their business. They must include many factors in their business and sometimes that can be difficult. Human resources play a key role in leading the organization. They can greatly contribute to the success of the organization, but for that success they have to be capable, determined and motivated. Products and servicess must attract and also retain the customer. The greatest significance of any organization are customers and their needs, and the success of a company depends on the customer's wishes and needs which has to be fulfilled.