Jacksonville is the largest city by area in the continental United States, and its casework is spread just as wide: a spouse whose “overtime” at the port does not match the pay stub, a business partner in Southside whose invoices have stopped making sense, a custody exchange in Orange Park that needs a neutral witness, a witness in Arlington who nobody can find before trial, a workers’ compensation claimant in Westside who is remarkably active for someone who cannot lift a box. FSO Guard’s licensed private investigators in Jacksonville (Florida Class A agency A 1000095) handle these matters discreetly, legally and with a report that holds up in a Duval County courtroom.
Private investigation services in Jacksonville
Surveillance and infidelity investigations
Covert surveillance with time-stamped video and photographs, vehicle and foot surveillance, activity documentation for divorce, alimony and cohabitation cases. See how surveillance and infidelity investigations work and what evidence Florida family courts actually weigh.
Child custody investigations
Documentation of a co-parent’s conduct, living conditions, new partners and supervision of the children, witness statements and a court-ready report for the Fourth Judicial Circuit. Read more about custody investigations.
Background checks
Pre-employment, tenant, nanny, business-partner and pre-marital background checks: identity, criminal and civil records in Duval, Clay, St. Johns and Nassau counties, national databases, professional licenses, litigation history and social-media review.
Skip tracing and process service
Locating people who have moved or gone quiet — debtors, witnesses, heirs, biological relatives — and serving legal papers anywhere in Northeast Florida, with a notarized affidavit of service.
Corporate and insurance fraud
Internal theft, embezzlement, vendor kickbacks and due diligence for Jacksonville’s logistics, healthcare and financial employers, plus workers’ compensation and insurance fraud surveillance for carriers and self-insured companies.
Litigation support for attorneys
Witness location and recorded interviews, records retrieval, scene documentation, asset searches for judgment enforcement and testimony. Our litigation support is built around the way Florida attorneys prepare a case.
Why Jacksonville clients hire FSO Guard
- Licensed agency, licensed investigators. Class A agency license A 1000095, Class C investigators, insured. Every report can be attributed to a named, licensed investigator who will testify if needed.
- Evidence that survives court. Continuous video, unbroken chain of custody, dated and signed reports and strict compliance with Florida’s surveillance and recording statutes. Judges in Duval County have seen sloppy investigative work; ours is not.
- Investigators who know Northeast Florida. Surveillance in Jacksonville is different from Miami — long distances, bridges, beach traffic and suburban cul-de-sacs where a strange car is noticed. Our investigators plan for that.
- Straight talk about what is possible. If a case cannot be legally or practically proven, we say so at the consultation rather than after your retainer is spent. See how to hire a private investigator for the questions worth asking any agency.
- One agency across Florida. When a case moves — a subject relocates to Orlando or Tampa, a witness lives in South Florida — the same investigators and the same case file follow it. Read about our statewide investigation services.
- English, Spanish and Russian. Investigators and case managers who work in three languages for Jacksonville’s international families and businesses.
How a case works
- Confidential consultation. A free call about your situation, what you need to prove and the legal context. We tell you what is realistic and what it will roughly cost.
- Written plan and retainer. A case plan with the methods, hours and a written estimate. Work begins when the retainer is received — often within 24–72 hours.
- Investigation and updates. Surveillance, records work and interviews with regular updates so you can make decisions while the case is live.
- Court-ready report. A dated, signed report with video, photographs and documents, delivered securely, with the investigator available to your attorney.
Coverage across Jacksonville and Northeast Florida
Downtown and Riverside, San Marco, Southside and Baymeadows, Mandarin, Arlington, Westside, Northside and the port, Jacksonville Beach, Neptune Beach, Atlantic Beach and Ponte Vedra, Orange Park and Fleming Island, St. Augustine and Nocatee, Fernandina Beach and Amelia Island. Our investigators also cover Gainesville, Palatka and Lake City for cases that originate in Jacksonville. Security services in the same region are described on our security company in Jacksonville page.
Talk to a licensed investigator
Tell us what happened and what you need to know. The consultation is confidential and free, and you will receive a written plan before any work starts. Call (786) 659-5011, use the live chat or the form on this page.
