Founded in 1975, Tanner Mainstain Blatt & Glynn is one of the leading business management firms in Los Angeles. The firm provides tax and accounting services to individuals and businesses. It serves the entertainment, real estate, health care, professional sports and financial sectors. Tanner Mainstain Blatt & Glynn also offers investment advisory, insurance analysis, retirement and estate planning, and cash flow and budget reporting solutions. The firm provides production accounting, personal financial statement preparation, and tax compliance and reporting services.