On to the other point, check out their reviews. While you can’t rely solely on reviews to make the final decision they serve the purpose of giving you insight on the overall customer services. You will know whether the company provides quality services to the clients or not by the reviews given. If the reviews are good then the company is reliable, however, if there are bad reviews then the company is not doing such a good pool maintenance job. The reviews focus on reliability, customer services, fair pricing, and quality of services.