Chicago Private Investigators - Advanced Surveillance Group. Providing Chicago detective services including infidelity investigations, surveillance, Chicago background checks, computer forensic investigations and detailed information gathering!

“A.S.G. is the Chicago private investigator that can help!”

No one knows Chicago like A.S.G. From the back streets of the south side, throughout the loop and Gold Coast out to the western suburbs and north beyond Lake Forest and North Chicago, we have you covered. We understand that Chicago is a diverse city and we have a diverse set of Chicago private investigators available to give you the right assistance in any environment within Chicago.

A.S.G. has extensive experience in conducting surveillance, developing background information, finding and rebuilding hidden computer forensic evidence and working with corporations, law firms and private individuals alike. Chances are, no matter what your situation, we have the experience and expertise needed to give you solid information and assistance.

As we all know, Chicago is a big city, but in many ways it is also a small town and we know how important it is to keep your affairs private. Accordingly, we will keep our relationship strictly confidential and our work as discreet as possible. No one in Chicago needs to know that you have hired a Chicago private investigator unless you tell them.

If you have never worked with a Chicago private investigator before, we realize that it is difficult to determine which agency is right for you and your situation. We regularly work with people in Chicago who are hiring us for their personal needs or as part of their work and we strongly recommend that you call us and discuss your situation with one of our detectives. The call is free and completely confidential. If we cannot help or think that another Chicago private investigator is better suited to help you, we will gladly make a recommendation.

Many of our clients are amongst the largest and oldest law firms in Chicago, working on developing evidence, locating and interviewing witnesses and relivant parties and conducting state-of-the-art computer forensic investigations. Our reputation for fast, discrete and comprehensive investigations throughout Chicago is second to none.

Our agency also has extensive experience working with business in Chicago on insurance fraud cases, employee misconduct matters, violations of agreements and contracts, analysis and recovery of computer forensic evidence and more. We employ state of the art investigative equipment, often far beyond that of the everyday Chicago private investigator, and combine that technology with an experienced and trained Chicago private investigator to get a better result for our clients. This combination makes us the right choice for surveillance or computer forensics in Chicago.

We also specialize in the following areas:

• Infidelity and Adultery Cases: The belief that you spouse or partner is being unfaithful is likely one of the most painful experiences you are likely to have. You want and deserve the truth, but everything your spouse or partner says is in doubt. Without the truth, you cannot do anything with a clear mind. A.S.G. provides that truth. We understand that having to hire a Chicago private investigator to watch your spouse is very difficult, but you deserve the truth! Not only will our Chicago investigators get you the proof of infidelity that you need, they will do so in a discreet and tasteful way. We have helped people just like you in Chicago, Naperville, North Chicago, Aurora, Oak Park and elsewhere in Chicagoland.
• Chicago Background Checks: Whether to assist in making the right hiring decision, as part of dealing with a law suit or for the simple need to know something about someone in your life (nanny, home worker, new boy/girl friend, prospective business partner, etc.), we are the Chicago private investigators who will get you the information you need. Real, useful information cannot be found in a $ 9.99 super internet search. When you need real answers in Chicago, you need A.S.G.
• Chicago Computer Forensics: Chicago private investigators who are staying on the cutting edge know how to apply their investigative expertise to the relatively new world of computer forensics. At A.S.G., our computer forensic experts are able to recover data from computers like, deleted emails, web pages visited, instant messages, financial information and more from a computer hard drive. Computer forensics can be used in corporate fraud cases, domestic and infidelity cases, missing persons matters and many, many others. For questions about how computer forensics may be of benefit to you, please call us today.
• Other Chicago Investigations: These may include locating someone like a missing person, tracing an e-mail address, corporate theft and employee misconduct, anti-stalking assistance, asset searches, recorded statements and more. No matter what your concern, we always encourage to call and speak with a private investigator about your case. The call is strictly confidential.

All of our services are offered throughout Chicagoland and at very competitive prices.