No professional limited liability company organized under this chapter may engage in any business other than the rendering of the professional services for which it was specifically organized; however, nothing in this chapter or in any other provisions of existing law applicable to limited liability companies shall be interpreted to prohibit that limited liability company from investing its funds in real estate, mortgages, stocks, bonds or any other type of investments, from owning real or personal property, or from exercising any other investment power granted to limited liability companies under this title and not in conflict with the provisions of this chapter.