Simpson & Simpson, LLP is a California certified Small Business Enterprise (SBE), County of Los Angeles Community Business En ... terprise (CBE), and a State of California Certified Women Owned Minority Business Enterprise (WMBE). We are a local minority-owned firm of Certified Public Accountants and have been in business for approximately 42 years in the state of California. Our firm operates as a limited liability partnership and was founded in 1976 in Los Angeles, California. read more