Generally, professionals prefer to have creative input prior to any work being done on your website. If you've already done some design or content placement, you'll find it more difficult to find someone who is willing to finish what you've started. If you want a professional to do it, but still want to use a website builder for easy content maintenance, engage their services before you sign up for a website builder plan. Your professional may have some ideas of which one to use and how to make it easier to use your website builder.