Monarca Investigations LLC is a licensed California private investigations firm founded by a retired FBI Special Agent with 20 years of federal investigative experience. We bring a disciplined, analytical, and professional approach to every matter, including complex criminal investigations, multi-agency operations, witness and source development, and coordination with federal, state, local, and international partners. We serve attorneys, law firms, businesses, insurance-related clients, and private individuals throughout Northern California, including the Sacramento region, Modesto, the Bay Area, and surrounding communities.

Every investigation is handled with professionalism, confidentiality, clear communication, and a commitment to providing reliable information our clients can use to make informed decisions. We are particularly well suited to assisting attorneys and law firms with litigation support, case preparation, witness development, and factual research. Our comprehensive investigative services are tailored to the specific needs of each client, combining thorough documentation and meticulous attention to detail with the expertise that comes from decades of federal investigative work. Bilingual in English and Spanish, providing investigative services and communication in both languages. CA PI License 190189