There are many website template companies out there today. Many of the templates actually come from only one or two main suppliers, but there are hundreds of resellers.
Here's an example of a reseller:
What you'll find there is a collection of thousands of templates that you can buy for about $62. Those templates are available for anyone to purchase when they are venturing out on their own to create a website without help from a design or programming firm.
But they are only templates, in that you have PhotoShop files and HTML pages available in the template. But there is still a lot of work to create a website.
You would need to know web programming and how to use Dreamweaver, and you need to know...