A customer liaison strives to provide excellent customer service experiences for potential clients of a business. As a customer liaison, you support the sales team and other company personnel in their duties, such as answering phones, showing customers around a showroom or production facility, providing accurate responses to customer queries, and following up with existing and potential clients to help generate revenue. Qualifications for beginning this career depend on the industry in which you work. In general, you should have prior job experience in sales or customer relations and excellent communication skills.