Signature Real Estate - Our Houston Real Estate Advantage Commitment to Customer Service: Signature Real Estate and its brokers, agents and staff are absolutely committed to providing the best customer service for every client through hard work, sound advice and most importantly, results. Our agents are absolute professionals with the knowledge, dedication and competence to help you through your real estate transaction no matter how big or small. Our commitment to service is not negotiable and we provide every one of our clients with our best effort regardless of the transaction