Browse the Top Private Investigators Serving Aliso Viejo, CA

Hudson Investigations delivers discreet, professional private investigation services across California. Specializing in infidelity surveillance, insurance fraud detection, and missing person cases, we combine advanced technology with decades of investigative expertise to provide actionable evidence. Our team serves individuals, law firms, and corporations with ethical, results-driven solutions tailored to each client's unique needs.

Allen Investigations is a licensed California private investigation firm handling neutral workplace and internal affairs investigations, adoption reunions, heir searches, and cold cases. Owner Debra Allen brings more than 40 years of investigative experience as a retired senior detective and Senior District Attorney Investigator. She combines interviews, records research, DNA analysis, and genealogical work to resolve complex cases for employers, attorneys, public agencies, and individuals.

National Business Investigations is a family-owned private investigation firm established in 1967. We provide corporate, legal, and insurance investigative services nationwide, specializing in fraud detection, asset recovery, surveillance, and executive protection. With decades of experience and a commitment to ethical standards, we serve law firms, insurance companies, and corporations seeking reliable investigative solutions.

Silent Warrior Investigations provides professional private investigation and lie detection services in Orange, California. With over 30 years of law enforcement experience, we offer criminal investigations, civil litigation support, covert surveillance, executive protection, and polygraph exams. Our team delivers reliable, confidential results to attorneys, businesses, and individuals across Southern California and nationwide.

Specialized Resource Group is a licensed private investigation and security firm offering surveillance, corporate intelligence, and protection services. With over 20 years of experience, we serve individuals and businesses through discreet, technology-driven solutions. Our veteran-led team delivers tailored investigative outcomes with a focus on confidentiality and legal compliance.

RCS Investigations provides professional investigative services including police/fire background checks, surveillance, and internal affairs investigations. Our team of retired law enforcement professionals ensures compliance with state and federal regulations while delivering detailed, confidential reports. We serve public agencies and private clients across Southern California with a focus on accuracy and ethical standards.

DataCheck specializes in pre-employment background checks, drug screening, and compliance solutions for businesses nationwide. With over 25 years of experience, we deliver fast, accurate results using cutting-edge technology and expert analysis. Our services help employers reduce liability, ensure workplace safety, and maintain regulatory compliance across diverse industries.

Llorente Investigation provides specialized contract SIU services to insurance companies nationwide. Our expertise in fraud detection and prosecution helps insurers recover millions annually through advanced investigative technologies and customized anti-fraud programs. With a team of legal and law enforcement professionals, we offer compliance management, vendor oversight, and tailored training solutions.

Encinas Investigations-PI delivers certified firearms training, tactical courses, and security officer programs in Anaheim Hills, CA. With over 40 years of experience, we offer state-approved CCW certification, patrol rifle instruction, and bilingual training in English and Spanish. Our accredited curriculum prepares students for careers in private security and public safety through hands-on instruction from active industry professionals.