Best Private Investigation Service in Anaheim

Expert recommended Top 3 Private Investigation Service in Anaheim, California. All of our private investigators face a rigorous 50-Point Inspection, which includes customer reviews, history, complaints, ratings, satisfaction, trust, cost and general excellence. You deserve only the best!


201 East Center Street, Suite 112, Anaheim, CA 92805 Directions

Worker’s Compensation, Background, Criminal and Civil Investigations, Surveillance, Domestic, Undercover, Process Server, Skip Tracing, Activity Checks, Video/Photography, Due Diligence, Fraud, People Search, Infidelity, Extra Martial Affair & Records Research

A.N. Investigations is a fully accredited and registered company that provides quality investigative service promptly. The company renders a variety of professional inquiry services nationwide and find solutions for its clients by providing factual, relevant information. Narciso is perceived as one of the best detectives in the industry, managing the coordination and performance of the investigative crew. Their team affords quality investigative results that meet their client’s highest expectations in a cost-efficient manner. They employ the most modern technology tools and offer photographic and video proof of questionable activity.

License #PI 25673

[email protected]


Mon - Fri 9:00 am - 5:00 pm
Sat & Sun Closed

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751 South Weir Canyon Road, #157, Anaheim, CA 92808 Directions

Since 1988

Asset Searches, Background Checks, Corporate, Infidelity Investigations, GPS Tracking, Insurance Claim, Surveillance, Litigation Support, Undercover Operations, TSCM Services, Locate Service, Forensic, Child Custody Disputes, Worker's Compensation Fraud & Data Discovery

John A. DeMarr PI is the foremost investigative firm that deals with the private inquiry, process service, site protection, and all aspects of private detective work. The firm provides professional, approved private research and private investigator assistance to companies and individuals. Their team offers expertise, training, technology, professional discretion, and thoroughness to match your requirements. They guarantee that all knowledge gathered in the development of their work will be obtained in a perfectly legitimate and professional method. You can get a free quote and introductory consultation from their expert investigator.

License #13351

[email protected]


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300 South Harbor Boulevard, Suite 804, Anaheim, CA 92805 Directions

Since 2008

Fraud, Adultery, Missing and Locate Persons, Child Custody, Extramarital Affairs, Infidelity, Asset Searches, Technical Surveillance, Background Checks, Workers Compensation, Visitation Support, Cheating Spouse, AOE & COE Investigations

International Counterintelligence Services, Inc is one of the best investigative company that renders a full array of inquiry services. Their team of experienced, proficient witnesses, authorized, bonded, & insured was expertise in various areas and have an established track record. They are committed to rendering affordable, reliable assistance in your area and report their outcomes in a timely, responsible manner. ICS has the resources to discover the answers you require, and they stand ready to assist you 24 hours a day, seven days a week. Contact them to get a free, confidential consultation with one of their on-call accredited private detectives.

License #25998

[email protected]


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