If you were to ask any leading salesperson what the key to their success entails, you would probably hear a variety of strategies for many industries. But the one thing they all likely share is an appreciation for building solid, genuine relationships with their customers. Business guru Zig Ziglar once said, “If people like you they will listen to you, but if they trust you they'll do business with you.”

If you want to develop strong relationships with your business owner friends, here are four ways to strengthen those contacts.