Nowadays, one of the prominent issues in the field of innovative customer relationship management that attracts the attention of the public, researchers, academicians, businesses and consumers is the importance and impact of customer satisfaction levels or complaints of marketing and sales staff or other employees on customer relationship management. Discussions, trainings and researches, two-way communication between marketing and sales staff and customers, and all kinds of actions that can be carried out on the satisfaction or complaints of marketing and sales staff or other employees, who are in first-degree physical contact with customers, can ensure that marketing and sales staff are satisfied with customers or do not have any problems with customers. In addition, the satisfaction or complaint of the marketing and sales staff or other employees with the customers may contribute positively to the marketing activities of the enterprise and increase the sales, profitability and performance of the enterprise. Satisfaction of marketing and sales staff with customers will not only ensure employee happiness and satisfaction, but also trigger them to provide better service to customers, increase the satisfaction levels of customers, positively affect the perception and thought levels of the related parties about customer relationship management and create an environment of trust between both parties.