The paper discussed tax havens in the context of modern business. For the purposes of the above, taxation and taxes, today's tax system and its characteristics, the division of taxes, and the principles and effects of taxation were first defined. Furthermore, tax havens, history of their origin, characteristics and features, types and list of tax havens, risk of jurisdiction and list / lists of tax havens in the world, positive and negative effects, and the future of tax havens were defined. It also explains tax evasion and its manifestations, the operations of offshore financial centers and offshore companies, international institutions for the supervision of tax havens: the International Monetary Fund, the Organization for Economic Cooperation and Development, the Financial Action Group against Money Laundering, and Working Group G - 20. The paper presents the most famous tax haven scandals, the "Paradise Papers" scandal, and the "Panama Papers" scandal, and explains the tax evasion in the Republic of Croatia.