Since its founding in 1975, Tanner Mainstain Glynn & Johnson has built a reputation as one of Los Angeles' largest and most respected business management firms. Located in Westwood, the firm consistently ranks amongst the most prestigious business management firms in Los Angeles. Today, TMGJ's client roster includes some of the top names in entertainment, sports and business, and our services include business management, business consulting, tax preparation, investment and financial planning. Many of our partners and senior staff members hold advanced degrees in our field. Our Firm's reputation attracts top talent who continually enhance their knowledge with education and training that exceed their professional requirements. Backed by TMGJ's team of professionals and our state-of-the-art technology, we respond quickly to your questions and concerns. Our team approach to client service means that someone knowledgeable about your account will always be available to help you.