This paper consists of six chapters that deal with the topic in more detail, namely the Hotel industry companies in the process of internationalization and globalization of hotel chains as the primary sources of development of hotel industry, forms and expansion of the Hotel chains, methods of contracting between hotel chains, standardization, hotel standards, loyalty program and through the last chapter detailed analyzes the most important foreign hotel chains in the Republic of Croatia. Within each chapter the thematics is elaborated in details. In the first chapter, Hotel companies in the process of internationalization and globalization, the term internationalization is explained as the result of business mergers. Second chapter elaborates the development of the hotel industry through history and growth of the international hotel chains, mergers within hotel companies and emergence of hotel brands. In the following third chapter the forms of expansion of the hotel chains. Furthermore, its elaborated how the franchise agreement, management agreement and lease agreement affects the hotel business. The third chapter explains the concept of complete ownership and hotel reservation systems. In the last chapter one of the most influential and important international hotel chains are annalyzed in details, considering Accor, Regent, Hilton International, Kempinski and Rezidor. The final section of the paper summarizes the issues that relate to the Croatian foreign hotel chains, including observations on the very topic.