How far should customer service extend? Solution Customer Service is one important criterion to attract large customers. Along with a good quality product with reasonable price, it is also very essential to provide better quality service to retain existing and to attract new customers. Customer service is the act of taking care of the customer\'s needs by providing and delivering professional, helpful, high quality service and assistance before, during, and after the customer\'s requirements are met. Extend of Good Customer Service Customer service is the act of taking care of the customer\'s needs by providing and delivering professional, helpful, high quality service and assistance before, during, and after the customer\'s requirements are met.Customer service is meeting the needs and desires of any customer. Some characteristics of good customer service include: A marketer should extend its service towards the customer up to his/her door stem and till the satisfaction level of those customers..