When you want to check out a company, you look online first right? You expect them to have a website and you will judge them based on their website.
A website is an extension of your company, it provides that important first impressions to every visiting customer. Subconsciously they will decide whether they want to give you their business or move onto the next result.
That is why it is very important to not only design a site that works beautifully, but also gives every visitor a true feel for who you are what you are about.