If you see at the fundamental level, the SEO service for your company will be quite similar to that for any other company. The concept will remain the same. Content creation and building the links are the two most important factors that affect SEO. If the SEO company has no plan for consistently adding the contents to the company's website, then it won't be feasible to hire that service provider. There must be one post every week, and the SEO service has to manage the process.