The subject of the final paper is the activity of the Business Angels Network of the Republic of Croatia. Business angels are considered wealthy entrepreneurs who, with their money and experience, invest in company, most often newly founded with the aim of making more wealth. Successful entrepreneurs or experienced business executives finance high-risk start-up projects by entering their ownership and helping with their knowledge and experience further develop that company. In this final paper speaks and is focused on business angels of the Republic of Croatia where there is a one network of business angels - CRANE which has been operating since 2008. The business angels of the Republic of Croatia are a great unknown, and their characteristics are unknown. Investing in medical supplies, computer programs, services and biochemistry are among the most attractive business angel investments in our country and in Europe. Their investments are considered high-risk, and therefore require a high return on their investment. Most new entrepreneurs, with all the knowledge and experience they have when starting a particular business, come across obstacles most often financial, ie lack of money plays a big role. The most important task of business angels is manifested in the need to ensure a continuous flow of informal investment in the field of entrepreneurship. Business angels have a key role to play here, both in the financial and in the business chain from start-up to a large and developed company.