Can multiple licensed professionals from the same profession share one professional corporation?

Yes, this is a common and generally permitted structure. Multiple licensed members of the same profession can each hold shares in a single professional corporation, which is how many group practices are organized — for example, several physicians or several lawyers practising together under one corporate umbrella rather than each incorporating separately. Each shareholder is typically a licensed member of the profession, satisfying the governing body's shareholding requirement for the corporation as a whole.

What matters most in this kind of arrangement isn't the corporate mechanics, which are relatively straightforward, but the shareholders' agreement governing how the professionals will actually work together: how profits and expenses are shared, how decisions get made, what happens if one professional wants to leave or retire, and how a dispute between the shareholders gets resolved. Because professionals sharing a corporation are also often each individually and professionally responsible for their own work, it's worth being precise about how liability, billing, and client responsibility are allocated among them, separate from the share ownership itself.