Detectives in Dupage County, IL

Comprehensive list of private detective agencies and investigators servicing Dupage County, IL.

Business Listings

A rating of five stars universally symbolizes excellence in service. Like most organizations who aim to reach a rating of five stars, Five Star Detective Agency. endeavors to supply customers with incomparable standards of excellence in Investigative Services. It is because of our promise of excellence to our customers that we've become one of Chicago's most successful Detective Agencies.


Since our establishment in 2001, we currently have handled over 2,000 cargo crime related cases; far more than any other firm in the Americas and maybe more than any firm in the world. Without question, we're the only firm with such a direct focus on this kind of work and we now believe that the most of huge cargo crime cases in the US are investigated through our security specialists.



Stealth Investigative Agency is a complete service investigative agency. We pride ourselves on our tenacity and persistence in pursuing the answers to our customers questions. In answering those questions we supply complete and detailed updates, reports, video and trial testimony.


Attorney John Paul Carroll and his associates offer legal representation limited to the areas of serious individual injury, medical malpractice and serious criminal defense cases, including white collar crime. As a former Chicago Police Homicide Detective, undercover narcotics officer assigned to the federal.


We've been investigating fraud, infidelity, identity, and criminal activity for over twenty years. We supply written reports, video and photo documentation along with guaranteed confidentiality. We provide a free initial consultation - if you have any questions at all - call us. We are a licensed and bonded private detective agency.


Condor Investigative Agency supplies a complete array of investigative services, serving the requirements of corporations, specialists, tiny business owners, investors, & individuals with a qualified need. We do not sell results, but supply facts. We supply an honest investigation without bias. We abide by all regulatory, state and federal laws. We will conduct our investigations in an expert manner.


Whether you choose to use our detective services, field contact services or our uniform guard division, you will experience the best security partnership in the marketplace.


Protek supplies an exceptional perspective to address the many facets of technology and digital evidence, investigations, enterprise risk and litigation. Protek was established by Daniel Bellich, a distinguished 27 year veteran of the FBI, and Keith Chval, a nationally-recognized prosecutor and former head of the High-Tech and Computer Crime Unit of the Illinois Attorney General's Office.


Gold Coast Investigations is a provider of high quality, cost effective attorney support services as well as Investigative services in the Chicago area. We are fully licensed and insured with all the requirements of the state of Illinois. Our professional Investigators and in-house staff will provide you with a quick turnaround, constant communication, and accurate information. By enlisting the services

  • Really bad service, he always was busy to work in my case, no sources to find information,

SUITE DETECTIV T hank you for visiting the web page of THE JONES DETECTIVE AGENCY. Our office has been proudly serving the Chicago community for over twenty five years. Our wealth of knowledge in the field makes us the best choice for any investigation you may need. Our fees are reasonable and we accept all major credit cards. Contact us today for a free assesment of your location.

  • DETECTIVE JONES IS THE BEST HE PAYS SPECIAL ATTENTION TO DETAIL.

Arkus, Inc. provides private investigative services to businesses and individuals in the Chicagoland area. Some of their services include missing persons, computer forensics, business investigations and insurance investigations. Contact them today for more information.


The premier complete service agency. Echo's foremost attention is directed to the Client's need of proper security function, and the need for accurate fact finding in all investigations. Echo's customers include attorneys, municipalities, major corporations, independent businesses, and services to the private personal.


Rayburn Fire Scene Investigations. is a licensed and fully insured investigation service, specializing in fire origin and cause investigation. With backgrounds as professional career firefighters, which include many years of hands-on knowledge and special expertise, the Rayburn Fire Scene Investigations. Team combines their investigative knowledge with the latest technical procedures to determine the


A private investigative service for tiny business, private individuals, corporations and the legal profession. We are a Chicago area, family-owned & operated Private Investigative Service. We specialize in Service of Process, Employee Theft, Loss Prevention Business Audits, Surveillance and most of all customer satisfaction. Our reputation was built on it.


L&W., is a private investigation company with a strong specialization in insurance investigations, and formidable expertise in surveillance. We have developed a national network of companies with a reputation for solving the tough cases. We are the specialists you turn to when you truly need specialized service.


Capital Security & Investigations, established in 1998, has been delivering professional, confidential and discreet investigative services to insurance firms, law firms, individuals and corporations of all kinds. Our broad array of services includes private investigation, surveillance, background checks, civil process service, executive protection, mystery shopping, loss prevention and security guard


Quest is a physical and information security consultancy comprised almost entirely of former FBI and law enforcement staff. Quest's services and expertise protect a customer's staff, property, proprietary assets, and reputation. Mr. Scigalski appears on NBC News to consider child safety.


Knorok invites you to browse through its list of available services and products. Feel free to email or call for additional information. If you have a question on a particular service or subject just Ask a Detective. The form requests a return email address, so please make sure that it is secure. If you would like a call back, instead of email, please input your phone number in the email address line.


Advanced Research Group. is an Illinois based licensed and bonded investigative agency. Together our management staff has over fifty years of investigative experience. We are a privately held and locally managed company, which enables us to supply customer service which is unparalleled in our industry.


We provide a comprehensive array of services to the corporate, legal, and insurance sectors, as well as members of the general public. Experienced Professionals Many of our investigators have extensive backgrounds in law enforcement which supplies our agency over 200 years of combined knowledge in local & federal law enforcement.