The CertaPro Difference Our Certainty Service System At CertaPro Painters, our reputation is based on certainty your certainty of a job well done. We focus on the details of every project interior and exterior and we focus on you, our client. We recognize that painting is not an everyday occurrence for you. There is education and preparation that needs to occur to ensure your project goes smoothly and according to your expectations. We do this through a process of communication and education so we can co-create the best possible painting experience with you. We call this the Certainty Service System