Why WordPress CMS?
WordPress is 100% customizable, user-friendly, SEO friendly, mobile friendly, fully W3C compliant, and blog ready. WordPress is also recognized for data safety, scalability, website security, multi-user functionality. WordPress is well maintained, making it one of the safest and universally supported world-wide.
One of Google's indexing considerations is your HTML code. Google does not like excessive code. Wordpress is already streamlined which creates a good basis for your future SEO efforts. Your website is scaleable and can grow alongside your business.