The task of developing an ordinary website can be handled by anyone who can use templates. But developing an extra ordinary website requires a lot of expertise and experience. Developing a site according to the business requirements can be tricky and only an expert team of developers should handle this task.
When looking for a design firm, it is necessary for entrepreneurs to identify their business needs before approaching any company. Only when you know what is right for your business, a web design team will be able to make it happen. If you are not aware of your business needs you might end up spending a huge amount on a shoddy looking website.