There are numerous people in the industry who call themselves SEO experts. But your job is to find out whether they are really experts or not, and if they are experts then whether they are the right fit for you or not. Do your research well, make a list of potential candidates and finalise one based on the following factors.Track record: Find out if the candidate has a proven track record in the field of SEO. Check for his past work and whether he was really able to help brands that he worked on.Professionalism: Have a call and try to understand how professionally he behaves. Ask him about his experience with other clients to get a rough idea about how he works professionally.Expectations: Make a list of all your SEO expectations. Ask him if he can fulfil those. If he has previously worked on projects with similar deliverables as your expectations, it is definitely a plus point.Charges: Ask him how much he would charge for services that you expect of him. See if it is under your budget and decide accordingly.