An objective of a commercial organization to increase their revenues and profits is perhaps sell a product or provide a service, however for the product or service can deliver these benefits is essential to long-term satisfaction who uses or receives in this case the client, main protagonist of any business. Is precisely what is intended to clarify and raise then the importance of who is the reason for the existence and security of the future of any company, also describes and analyzes the concept of culture of customer service, how inconvenient it is to forget the customer is the most important in any company should be implemented and how this culture in modern times and for mutual benefit customer and organization.