Just as web designers would hope that they are the first people anyone thinks of when they want a new website created, when it comes to needing legal help, advice, and representation on legal matters relating to business, it is commercial lawyers who should be the first people you think of.
Commercial law is vast and ever-changing, and being able to stay abreast of the multitude of rules, regulations, and legislation that comes from state and federal governments is not something web designers want to be spending their time doing.
Instead, that is the job of your commercial lawyer, if you have one.