I'm amazed whenever I come across a small business that still doesn't have a Website. Even in this day and age when Website hosting is dirt cheap, some businesses lag behind. It is essential to your credibility to have a Website...and not just any Website, but a good one that presents the image of your business that you want to communicate to your target market.
A well-planned Website ultimately translates to more customers and more money in your pocket. It doesn't have to be a huge Website, nor are e-commerce and other "bells and Whistles" required. It just has to be pleasing to the eye, easy to navigate and contain useful information for clients and prospective customers. Oh yes, be sure to let interested visitors know how to contact (or locate) you.
The final step is to at least complete the meta tags before submitting the site to search engines and relevant Internet directories. These include the Title, Description and Keyword tags. If you really want to get a lot of traffic from your Website, get a professional to optimize it for the search engines. And once your Website is active, promote the heck out of it!