Every company or person deciding to start branding themselves with a web site has to know all their options. After 26 years in the graphic and web design biz, I can guide you to the best solution for your specific needs.
You don't need to buy a yacht if you are just going across the river.
1. It Can be Very Vulnerable
2. It Can be Very Expensive
3. You Have to Constantly Update Your Website
4. WordPress Uses a Lot of Resources
5. You Can Easily Run into SEO Issues
Read more in article below.
http://inspirationfeed.com/wordpress/tips/5-reasons-you-might-not-want-to-use-wordpress/