Californias leading Administrative and Professional Licensing law firm. Since 2002, Simas & Associates, Ltd. has helped hundreds of licensed professionals and businesses acquire and keep their licenses -- to perform as a professional or operate their business. We serve on behalf of our clients before local, state, and federal agencies and advise small businesses and trade associations in their formation and day-to-day business. With offices in Sacramento, San Luis Obispo, Santa Rosa, and now San Diego, Simas & Associates, Ltd. is truly a statewide practice.