Project is developed with the main topic of entrepreneurship with application on fitness industry where the whole procedure is explained. Before the beginning of the project, main topic will be introduced closely as an individual term that will introduce us to the problematic of the project. The key component in entrepreneurship is entrepreneur itself, founder of the project, who invests his time and money with a goal of making positive business results. That kind of project expects you to be self confident, well prepared with a plan in advance and because of these things, business plan is most important for success. Despite it being very difficult to succeed in variety of entrepreneurship fields for newcomers, starting your company in fitness industry is definitely possible and to prove that, this project is divided into 5 key elements who focus on making a first chapter of project implement and on hypothetical analyses of business development and management with whom it's possible to speculate the success of the business and it's profitability. The citizens of the City of Zagreb are extremely active in sports, and with that comes the need to improve their physical fitness, both at their own will, or with the help of professional staff. All generations are involved in fitness and exercise, which speaks volumes about the extensiveness and need for fitness centers. Starting such a center is a large financial project that requires large material investments, which will be explained in detail. The total investments in the project amount to HRK 9,900,735.04, of which HRK 2,900,735.04 is financial support from the European Fund. The estimated net profit for the first four years of operation is HRK 4,109,252.74, and the retained profit is HRK 3,698,327.46 also for the first four years of operation.