The article presents the term diversification, its history and definitions given on this subject by european, russian, uzbek scientists, and the author also gives a definition. The role, significance and types of diversification in the service sector in the process of globalization are analyzed. It explains how diversification can help in a competitive market, thanks to which you can achieve financial stability, have your own place in the market, be able to assess risks, and be able to correctly allocate resources. , it is mentioned in detail that it can withstand the economic downturn, addressing the problems associated with the sector. The article provides information on the possibility of increasing customers and achieving their loyalty through diversification of services.