7. Signature Estate & Investment Advisors (SEIA)
Founded in 1997 by CEO Brian Holmes and three partners, Signature Estate & Investment Advisors, known as SEIA, is a full-service wealth management firm headquartered in Los Angeles, with additional offices in Pasadena, Newport Beach, Redondo Beach and San Mateo, Calif.; Houston, Texas; and Tysons Corner, Va. In 2018, SEIA managed $8,410,516,448 in client assets.
