Reserve a Date!

We are typically booked two or more weeks in advance. Reserve a specific date for a future investigation, schedule an appointment to discuss your case and or request a consultation. For your convenience, Corinthian Group offers telephone consultations, in person and or online / virtual appointments to discuss the details of your confidential case . Please include a specific time in the Notes Section below.

Schedule a free consultation



    Corinthian Group is a family! We have a 100% retention rate which means that there is high level consistency regardless of which investigator is assigned to your case! We invest in our private detectives so that you can feel confident when investing in US!!!

    We have over 20 years of experience in providing exceptional legal services to individuals, businesses and law firms offering a range of services in the areas of insurance fraud investigations, child custody / family law investigations, workplace investigations, infidelity investigations, infidelity investigations and criminal defense investigations.

    Please complete the contact form below and or call us Toll Free at (877) 687-3939. You may also contact us using the noted social media links at the top of this page.

    Failing to plan is planning to fail.

    Contact us now to create a Plan of Action!

    Quick Links

    • Family Law Investigations
    • Cohabitation Investigations
    • Child Custody Investigations
    • Infidelity Investigations
    • Surveillance
    • Criminal Defense
    • Investigations
    • Background Checks
    • Skip Tracing

    Contact Info


    3175 Sedona Court, Ontario, California 91764, United States

    California PI License # 26978

    FAA 107 License # 4374346

    Toll Free (877) 687-3939

    Locally at (909) 931-3595

    Working Hours

    Office Open: Monday - Friday
    Office Hours: 9:00 am to 4:30 pm
    Lunch Hours: 12:00 pm to 1:00 pm