Here are a few business ads from YouTube to give you examples of how people have promoted their business on YouTube, which can be used on their websites too.
The first one is the Pizza Ad that must have been the most popular one on YouTube for 2013. I know I have watched it at least 40 times from start to finish. It’s such a great ad. You can tell, of course, that it is professionally done.
Here is one from a Florida Landscaping Company:
Florida Landscape Professionals:
And here is one from a local Plumbing Company:
Some are more professional than others, but there are videos in any budget range. If image and branding is not a focal point of your business, you can take a few scenes with your own camcorder and splice it together in Microsoft Movie Maker.