The increasing number of mobile device users is creating a huge amount of useful data for the providers. These data are valuable and can help a business with further developments and strategies if turned into knowledge with the use of data mining. The mindful use of data mining allows organisations to increase customer satisfaction, to determine new consumer groups for marketing purposes, to detect fraudulent activities, and to find future usage of mobile technology. This chapter explores the examples of usage and the process of data mining in the m-business domain. Some of the forthcoming problems to apply data mining in the m-business domain and their possible solutions are also discussed.