Welcome to Montgomery, Rennie & Jonson, A Legal Professional Association. Founded in 1989, Montgomery, Rennie & Jonson has established an outstanding national reputation. Our growth has been made possible by a large national client roster. Our growth continues because Montgomery, Rennie & Jonson is more than just a law firm. It is a think tank for the industries that choose us. We go beyond what is expected of a law firm by partnering with our clients and taking an insider’s view of each client’s business. Our prominence can be attributed to a group of service-oriented professionals who understand our clients' problems and know how to solve them.