There are a lot of free website builder such as DigitalProfile.co, Wix.com, Weebly.com. If you got enough time to operate by yourself, you can prepare a wonderful copy and pictures posted on your website.
Of course you can set up a free website. But they are often charged at last.
If you want to build a free website, you need to spend a lot of time writing copy and making pictures. As a boss you might not have that much time, we that you pay for a web design agency to help you create a beautiful website.