You must determine what tools you want to execute an search engine optimization strategy, and which services you will be paying for. An SEO Company must have the ability to share all the information, and provides you tips and strategies on.
You have to know how your search engine optimization efforts can be tracked and managed by your SEO Company. They have to have the ability to provide you and they should tell you the achievement of the strategies, and also the value of the services they are using for you.