The textbook is written for students enrolled in the subject Simulation of Business Activities (in English) and the subject Cvičná firma (in Czech) in the bachelor studies at the University of Economics in Prague. The textbook contains 7 chapters including the activities necessary to start their own business. It provides the instructions for the preparation of a business plan (in terms of a vision and major financial goals, marketing strategy and financial plan). The reader may also acquaint with the basic principles and characteristics of teamwork, including the identification of individual team roles.