The concept of the customer lifestyle management has already proved the efficiency around the world. As an important additional to the CRM – strategy of formation customer – oriented business, it allows achieving an increase in sales in the absence of market growth, considerably to increase efficiency of investments into marketing. The main objectives of the customer lifestyle management (CLM) are the satisfaction of the current needs of customer at each stage of the cycle and stimulate the transition to the next stage. The effectiveness of CLM can be measured by percent of the withheld customers after time to make a repeat purchase in your company. The fields of application analysis of the customer lifecycle: The customer acquisition – Who are my best customers? How can I get them? How much should I spend to acquire new customers? Lifecycle management tools help the customers in a dynamic profile of the customer base and indentify key business and customer trends. Besides, it is possible to identify the buying behavior and increase sales. In this case, it is possible to carry out more successful marketing campaigns, which encourage positive behavior in the customer segment during the maximum time. The maintaining of customers - Is the value of lifecycle or horizon the highest for customers? What assets need to be spending for keep this level? The data of lifecycle can be used for maintaining of customers, not so much by increasing marketing activities, as their correct choice. This information can be used to reduce the number of the deceased customers and affect the increase of volume sales and customer profitability. As a result, the total income and competitive asset grows. Forecasting - How well will operate the business in future? How specific marketing actions will affect on key indicators?