You have a good product/service. Now you want a web presence. A web presence is an absolute must for every business. It will be 'Site Design' that will separate you from the rest in the business.
There are many variables to consider when making a site. The most important being, how fast the page loads. Everyone wants a nice shiny site with all the bells and whistles. Take a second and look at Google and Facebook. Do you see notice the lack of eye candy? That's because people are looking for a very specific answer to their need in the shortest possible time. Answering their question/need is more important than eye candy.
Most programmers can make you a beautiful site. A programmer with experience will make you a beautiful site that will help you added new customers and more importantly maintain a mutually beneficial relation with your client base.