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Best Private Investigators in Detroit, MI

Our Recommended Top 8

We did the research for you!

  • Licensing
  • User Reviews
  • Mystery Shopping Calls

Our goal is to connect people with the best local professionals. We scored Detroit Private Investigators on more than 25 variables across five categories, and analyzed the results to give you a hand-picked list of the best.



8Top Picks

Learn about our selection process.


featured provider = Featured Provider

7195 Cooley Lake Rd, West Bloomfield Township, MI 48324 Rating

Review Sources

5.0 (5)
5.0 (4)

Why choose this provider?

For more than two decades, ACS Professional Investigations in Bloomfield Township, Michigan, has been providing investigative services for individuals, corporations, law firms, and insurers throughout Detroit, the Great Lakes and Midwest region. This full-service investigation firm is licensed in five states, including Indiana, Kentucky, Ohio, Wisconsin, and Michigan, and it puts its expertise to work for investigations regarding insurance fraud, loss prevention, legal, and domestic issues. Initial confidential consultations are free.

  • Criminal Defense
  • Domestic Investigations
  • Background Check
  • Financial checks
  • Corporate
  • Insurance
  • Surveillance

Detroit, MI Rating

Why choose this provider?

Need help contacting a Private Investigator in Detroit? Call our Concierge team at 848-Book-Pro (848-266-5776 from 6 am - 4 pm PT | Mon - Fri). They are standing by to help you get the service you need.

42815 Garfield Rd STE 208, Clinton Township, MI 48038 Rating

Review Sources

5.0 (2)
5.0 (1)

Why choose this provider?

ASG Investigations, based in Clinton Township, Michigan, has been offering full-service private investigation services in the Greater Detroit area for more than 19 years. This premier private investigation agency serves Washtenaw, Wayne, Oakland, and Macomb counties and prides itself on solving its clients' problems efficiently and discreetly. Services include investigations into cheating spouses and infidelity, child support investigations, criminal records searches, online dating investigations, and people location services. It also provides surveillance, juror profile investigations, and intellectual property investigations.

Grosse Pointe Farms, MI 48236 Rating

Review Sources

4.5 (129)

Why choose this provider?

Scott Lewis Private Investigations is a Grosse Pointe Farms full-service agency. The business’ services include employment searches, finding people, corporate investigations, surveillance, background checks, criminal defense, and infidelity investigations. Scott Lewis Private Investigations also provides undercover operations, probate services, bar and restaurant investigations, criminal record search, and more. Scott has experience as a Metro Detroit TV investigative journalist at FOX 2 and WXYZ and he has numerous awards for his reporting. Scott does pro bono work for the Michigan Innocence Clinic at the University of Michigan. Scott Lewis Private Investigations is licensed, bonded, and insured. Clients remark on his professionalism, knowledge, and honesty.

Plymouth, MI 48170 Rating

Review Sources

4.3 (9)
5.0 (6)
3.0 (2)

Why choose this provider?

Koda Group Inc. is a Plymouth business that provides security services and private investigation services in Ann Arbor Canton, Youngstown, Detroit, Elgin, Toledo, Chicago, Peoria, Champaign, Grand Rapids, and other areas. The business’ services include child welfare and custody, electronic surveillance and tracking, missing persons, background checks, domestic cases, security, workers’ compensation and insurance fraud, spousal infidelity, trial preparation, process serving, GPS and location services, and private investigations. Koda Group Inc. provides long-term and short-term global positioning device rentals. Founder Timothy Gilbert has over 12 years of private investigating experience. He also has years of experience as a police officer and served in the United States Marine Corps. Timothy is a licensed Certified Criminal Defense Investigator and the Detroit Police Department awarded him Officer of the Year. Koda Group Inc. is licensed and insured in Ohio, Illinois, Indiana, and Michigan.

Detroit, MI 48226 Rating

Review Sources

4.1 (12)

Why choose this provider?

Bleu Wing Investigations Inc. is a Detroit business that has been providing private investigation services for over 12 years. The business helps clients with corporate and domestic matters and services include background investigations, surveillance, workers’ compensation, boat and vehicle repossessions, divorce investigations, and training programs. Bleu Wing Investigations Inc. has an investigator who is a 28-year veteran of the Taylor Police Department.

42815 Garfield Road, Suite 208, Clinton Township, MI 48038 Rating

Review Sources

4.3 (6)
5.0 (2)

Why choose this provider?

Sherlock Investigations, Inc., serves the communities in Detroit and the surrounding areas. It offers private investigation solutions that respect the law while simultaneously protecting the interest of its clients. It handles background checks, surveillance, alive and well checks, neighborhood canvassing, and the verification of claims involving asbestos, transportation liability, and PIP. Sherlock Investigations was established in 1995 by Paul Dank, who has personally supervised more than 9,500 claims and is a member of the Association of Certified Fraud Examiners.

2466 Craft Rd., Grass Lake, MI 49240 Rating

Review Sources

5.0 (10)

Why choose this provider?

Wayne Bisard Investigations has been serving attorneys and individuals in Detroit for over 25 years. The firm offers investigation solutions for pre-employment background checks, child custody, and criminal defense. Before the investigation process, its professionals consult the client to discuss the details of their case, provide them with available options, and maintain 24/7 communication. They also investigate cheating spouses, missing persons, insurance fraud, internal affairs, and cold case reviews. The firm serves as a member of the Association of Certified Background Investigators.

Compare our Top Private Investigators

NameExpertise RatingAddressPromotionsLearn more
ACS Professional Investigations
7195 Cooley Lake Rd, West Bloomfield Township, MI 48324Call for Free Confidential Consultation
ASG Investigations
42815 Garfield Rd STE 208, Clinton Township, MI 48038
Scott Lewis Private Investigations
Grosse Pointe Farms, MI 48236
Koda Group Inc.
Plymouth, MI 48170
Bleu Wing Investigations Inc.
Detroit, MI 48226
Sherlock Investigations, Inc.
42815 Garfield Road, Suite 208, Clinton Township, MI 48038
Wayne Bisard Investigations
2466 Craft Rd., Grass Lake, MI 49240


  • Introduction

    Some cases grow cold without ever getting solved by the police, and others tend to be too unorthodox for the police since they're mainly limited to criminal cases. This is where private investigators come in.

    Private investigators, also known as PIs, offer a wide range of services, including finding missing persons, tracking marital infidelity, investigating theft, running background checks, verifying insurance claims, and collecting debts on behalf of their clients.

    PIs work on any case requiring extensive research and investigation. Their duties range from gathering vital facts and connecting clues to providing conclusive information regarding the case.
  • What is a private investigator?

    Private investigators are experienced individuals hired to carry out detective work. They are fact-finding experts who dedicate time and effort to gather evidence and reveal information that would be difficult to gain through ordinary means. Private investigators can either operate alone or work for an agency.

  • Are private detectives real?

    Yes, private investigators are real. They provide their expertise to anyone who needs an in-depth investigation for an important matter. Whether tracking a long-lost loved one, running background checks, finding missing persons, or conducting general research, private detectives operate with discretion and rarely make the news.

  • What do private investigators do?

    PI work involves a lot of information gathering and fact analysis. Their field assignments involve carefully following persons of interest, conducting surveillance, interviewing people, and, sometimes, going undercover to get more information. They use GPS tracking devices, video recorders, computers, and other technology to collect information.

  • How do private investigators work?

    Private investigators’ ability to conduct examinations and close cases without their targets knowing their involvement makes them very effective. A PI firm may have different personnel, each specializing in a particular field. From computer experts to web-data analysts and field officers, these agents work together to solve cases or complete an objective.

  • What is a private investigator allowed to do?

    PIs are civilians, so they're required to operate within the confines of the law. Private investigators search multiple online databases, public records, and open source files to collect information. However, they cannot bug phones or hack into online accounts to acquire protected information. They can conduct surveillance on people in public places, but they can't trespass into their homes or property.