The Cornerstone Client Services Department acts as the heart of the company, taking care of all clients after each and every sales operation. It costs five times as much to gain a new customer as it does to keep an existing one happy. That is why the Cornerstone “stamp of quality” is also reflected in Cornerstone's Client Services Department.

Client Services Department handles the following:

- Client Services Activities
- Management of listings and "Database Clients"
- Database Servicing
- Handling Complaints
- Client Services Staff
- Customer Service Manager
- Customer Service Executives
- Coordinators
- Data Entry Clerk
- Call Center / Receptionist