Private Investigators in Chicago, Illinois

1Source Private Investigation has been providing quality service since 1999, emphasizing legal investigations. They have $1 million in business liability insurance to cover any errors or omissions they may make, even though the regulations only require 100 thousand dollars.

Address: Crown Point, IN 46307

The team at Arkus Private Investigations is always on call, 24 hours a day, and will do anything to find the answers you need. We have an extensive list of services that includes surveillance tracking, cheating & infidelity proof, undercover work, legal business, fraud insurance investigations, process server, and much more. Our investigators only hire locals with five years of experience in this field so they can provide high-quality and personalized service for any situation imaginable.

Address: Northbrook, IL 60062

Heritage Investigations and Surveillance is the most trusted private investigation agency in Chicago and has over 33 years of experience. Illinois licenses the agents to conduct investigations and surveillance regarding marital infidelity and child custody. Other services offered include alimony termination and fraud cases involving embezzlement.

Address: Chicago, IL 60602

Illinois Investigative Solutions is a client-oriented private investigation agency in Naperville that offers many different services. Services are matrimonial cases, due diligence criminal investigations, and civil litigation support for employers or employees. The owner and chief investigator was once an inspector with the United States Army Criminal Investigation Division’s Drug Suppression Team.

Address: Naperville, IL 60540

It’s not easy to find a company that can provide you with all the different types of information you need. James Joyce Investigations has experts in each field, from background checks and criminal records search on potential employees or clients, activity monitoring, and tenant/ landlord screening. And if someone close goes missing – they’ve got them covered too.

Address: 70 West Madison Street, Chicago, IL 60602

Lawrence Ryan Investigation is a private investigative agency in Oak Lawn that focuses on fieldwork. Their offers include attorney litigation and process support, corporate investigations for risk management, and gathering information about potential issues in business practices. They have 38 years of experience bringing this knowledge to clients.

Address: Oak Lawn, IL 60453

If you are in Chicago, need to hire a private investigator, or have any other type of law enforcement-related matters handled professionally, then look no further than Michael P. Slevnik Private Detective. They offer many services, including criminal defense investigations, missing person cases (including race condition searches), and firearms training, whether introductory pistol courses for those who want their guns.

Address: Hickory Hills, IL 60462

Mid-West Protective Service is a Chicago-based protective service agency that offers various services, including private investigations. The company was established in 1993 by two former officers with the Chicagoland Police Department who wanted to provide quality protectors for those requiring their expertise outside law enforcement agencies.

Address: Chicago, IL 60641

It’s not just about finding the person who robbed you of your money or stole that car. MSI Investigative Services can also help with lie detection, cell phone forensics, and cellular data recovery. MSI has been around for over 50 years.

Address: Chicago, IL 60647

Northshore Process Service Network is a well-established private investigation firm providing services to the Chicago area for more than a century. They offer an array of unique investigative techniques, including workplace and theft investigations, surveillance work, pre-marital/pre-employment screenings, and judgment recovery procedures when necessary.

Address: 70 West Madison St, Chicago, IL 60602

ONQ Protection and Investigation Services is the go-to private investigation agency for all your needs. They offer child custody, background investigation, witness statement preparation, and undercover assignments, to name just a few. ONQ will provide you with trained experts who can efficiently take care of any task at hand- without drawing attention from law enforcement or other personnel around them.

Address: Chicago, IL 60618

Robert G. Hanrahan Investigations is committed to providing the best service possible for all of our clients. They focus on personal injury, product liability, and environmental issues. They investigate throughout Chicago’s south side neighborhoods, including Aurora & Oak Lawn areas.

Address: Chicago, IL 60611

Subrosa is a private investigative agency in Glenview that provides litigation support to attorneys and insurance companies. They also work on enhanced background checks for private equity funds of funds, hedge-fund institutional investors, and pre-employment investigations worldwide retail sector intellectual property trademark enforcement.

Address: Glenview, IL 60025

If you are looking for a Chicago private eye with experience in all fields of investigation, VTS Investigations is your go-to agency. The founder has over 40 years’ worth and can be found working on everything from asset searches to computer forensics.

Address: Chicago, IL 60611