In modern times teamwork has became one of the most commonly used ways of working in companies. As any way of work organisation in a business teamwork has its advantages and disadvantages. Team work motivates people, creates synergy improves creativity and organisation itself. Some of the disadvantages of working in a team are time needed for establishing a team, people who are not team players, that is a mayor role of human factor. Also it is important to know the difference between a team which is more formal and a group which is formal. Main reasons for establishing a team are greater efficiency faster problem solving in regards to individual problem solving it is a learning opportunity and creates synergy between team members. Good and quality communication is the key to a successful team. It is important to know about communication structures, determinating them and ability to recognize them. Problems in communication can put a series of problems in front of the team, as is inability to meet in person and inability to track the completion of tasks. In these kind of situations modern technology can be used as a solution in the form of e – communication, video calls or group call which are most important for online communication in a team. During the development of a team itself it goes through phases: forming, storming, norming, implementing and termination. Managing teamwork also means choosing a quality team leader who is going to fulfill his role correctly and to possess certain qualities bur also to execute team vision and goals without which the team can not succeed. Team size is also an important factor in a team because team functioning and its performance, however the precise number of team members dos not exist. Furthermore considering the fact that a team is comprised of people conflicts are inevitable so they need to be recognized and the reason of their emergence needs to be resolved for a satisfied team and people who are in this team.