Exceed expectations, but at a minimum, do what you say you are going to do.
Learn about client preferences. Customize how you deliver your service. Pay attention, little things make a big difference.
Capture and acknowledge customer feedback. View complaints as a golden opportunity to learn about what your customers want and need. These observations best inform how you can improve your service delivery system.
Follow up religiously on all client and employee matters.
Listen with your eyes and be a constant observer of customer behavior. Research shows that seventy percent of our communication is perceived nonverbally.