A limited liability company engaged in the practice of law, as a part of the practice of law, may act as an executor, trustee, or administrator of an estate, guardian for an infant, or in any other fiduciary capacity. Any member, employee of a member, manager, employee, or agent of a limited liability company engaged in the practice of law who is duly licensed as an attorney in this state may perform necessary fiduciary responsibilities on behalf of the limited liability company.