Are you planning to have a website? If so you need a website design. Remember, the website is similar as any customer service representative. In fact, it is your business digital face to make a first impression.
A website that is poorly designed is akin to being unhelpful customer service rep that is rude. Likewise, a friendly, polite rep is the one going out of their way to help customers. Thus, a website design that is easy to scale through is like a customer service good representative offering easy to reach pages and this builds trust in customers, ensuring potential customers.