Websites built with Wordpress are saving time in development and therefore would be more affordable websites.
They can also be customized to fit the closest to your brand and company. The web agencies or developers will be there to personalize the front end of your website.
Some agencies would suggest using Wordpress theme. Theme or template is already built design for your front end. It is an even cheaper way of having a website built, though it might not be the best investment. Without the branding of your company and website, you could not stand out in the jungle of the internet. It is important that you decide what would be the strategy of your company and the way you want to promote yourself.