Once you have decided to outsource your company’s SEO projects to SEO agencies, you need to make sure that you choose a reliable and reputable company. Tips to help you choose a good one are checking their clientele by verifying their clients’ sites do in fact rank as what they claim to be, checking the company itself also ranks for some SEO terms, asking how long has the company been in the business, emailing them and making phone calls with them to tell them your SEO objectives. This will build a good rapport with the company. Check on their response time to your questions and requests. Find more SEO companies and compare all the answers they give you. There would usually be a difference in how they deal with clients. Pick the one you feel you are most comfortable with and can answer all your questions in the most professional manner.