Led by experienced private investigators and retired law enforcement — we serve individuals, attorneys, insurance companies, and corporations across New Jersey and beyond, with expertise, integrity, and absolute confidentiality.
ACS Investigations, LLC. was founded in 2017 by John Rial — a licensed private investigator with 18+ years in law enforcement. John built this firm on a simple belief: people deserve honest answers, handled with care, integrity, and complete discretion.
Fluent in both English and Spanish, John brings a rare depth of reach to every investigation. With a background spanning crisis negotiations, complex casework, and high-stakes investigations, his expertise goes far beyond what a standard investigation firm can offer. He has received multiple honors and certifications for his contributions to public safety.
We serve individuals, attorneys, insurance companies, and corporations — from covert surveillance to workers' compensation fraud, background checks, and missing persons. Every case: thorough, reliable, court-admissible results with absolute confidentiality.
Every service is handled with discretion, professionalism, and a genuine commitment to your outcome.
Call us — we'll listen and point you in the right direction. Free. Confidential. No pressure.
Call or message us. Everything is confidential from the very first word.
We understand your situation fully before recommending any course of action.
Our team gets to work using proven methods, keeping you updated throughout.
Clear, documented results — and we walk you through everything, together.
Most people who call us have never hired a PI before. They're dealing with something deeply personal — and they need someone they can trust, not just someone with a badge. Here's what sets us apart.
We understand how sensitive this is. Your name, your story, and the details of your case never leave our hands. Confidentiality isn't a policy — it's a promise.
You'll never be left wondering where things stand. We give you honest updates throughout your case so you can make informed decisions every step of the way.
ACS Investigations is fully licensed in New Jersey and operates to the highest professional standards. Every report we deliver is accurate, thorough, and court-admissible.
When you call, John answers. There's no call center, no junior staff, no runaround. You get a seasoned investigator with 18+ years of law enforcement experience — from day one.
"I started ACS because people deserve the truth — delivered with care, handled with integrity, and protected with absolute discretion. That's not just how I work. It's who I am."
— John Rial, Owner · ACS InvestigationsEvery case handled with discretion. Every client treated with respect.
"Several of my clients who have used the services of John Rial of ACS have been very satisfied. His work is thorough, professional, and consistently delivers results."
"His thoroughness, professionalism, and genuine concern for my best interests made this a great experience. I will undoubtedly be using his services again."
"John was thoughtful, understanding, and professional. His upfront and honest approach helped ease any concerns I had. For a first-time user of this type of service, John was great."
Your first consultation is completely free and strictly confidential.
Reaching out is the hardest part — we get it. Call, text, or fill out the form. We respond quickly and treat every inquiry with complete discretion.