What client services mean?

is a job that is listed on a newspaper.

Job Description for Client Services Representative (Banking):

Processes basic branch service transactions to ensure customer satisfaction. Requires a high school diploma or equivalent and 0-3 years of experience in the field or in a related area. Has knowledge of commonly-used concepts, practices, and procedures within a particular field. Relies on instructions and pre-established guidelines to perform the functions of the job. Works under immediate supervision. Primary job functions do not typically require exercising independent judgment. Typically reports to a supervisor or manager.

Client services is another was of saying Customer Service Representative. Depending on the market this particular ad is based in, the job description will differ a bit.

Sometimes its called professional services. You deal directly with clients or be out in the field to support customers. Basically its another name for customer support.

if it is a job for an advertising firm (which i'm assuming it is because it was posted in this section) client service is the department that deals with the company that hires the firm. the client service department is in charge of all the clients' accounts.