Private Investigations Dayton, Cincinnati, Columbus, Indianapolis, Springfield, Richmond

Private Investigation

Operated by law enforcement personnel from Ohio, HSI is the leader for private investigators in an approximately 90-mile area around Dayton, Ohio. Our agents are trained and certified in covert surveillance techniques, undercover operations, interview and interrogations techniques, locating missing / wanted persons, computer forensics, conducting background checks for pre-employment, process service, conducting underwater recovery operations, installing & servicing GPS tracking systems, and conducting residential and business vulnerability assessments.

Our investigators can help you respond to an incident, but they can also be an excellent resource for preventing incidents. In concert with the vulnerability assessments mentioned above, our experienced staff can research and specify a security system that protects your home or business against theft and intrusion. Our professional security consultants know where cameras should be placed, how access controls should be implemented, and what kinds of sensors should be deployed for intrusion alarms.

Our agents have over seventy-five years of experience in law enforcement, U.S. military special operations, and private investigation, and can provide you with some of the best results available for any type of investigation or security service you may need. Our staff attends numerous hours of training each year to maintain a high standard of quality for your security needs. If you are in need of a private investigator, please contact HSI Security today.



The standard rate for one-man surveillance is $60/hour, and two man surveillance is $90/hour. Both rates have a four hour minimum

The cost for a GPS unit (installation and removal) is $125.

The cost for the use of a GPS unit is $125 per day (3 day minimum required).


Frequently Asked Questions Click Here

Internal Theft and Fraud Investigations

Each year, companies  lose billions of dollars by internal theft and fraud committed by employees and clients. We can provide your company with a solution for these losses. Let our experienced investigators sit down and explain to you why our interview and interrogation techniques will be your greatest benefit.. Let us be your law enforcement contact, to alleviate you from dealing with the police.  For more information email us at or call us at 937.479.6628. 

Domestic Related Investigations

Is your spouse cheating? Are you in the middle of a child custody dispute? Do you know who you are dating? Let HSI help take some of the guesswork out of it. Whether we put a tracking system on their vehicle to see where they might be going, or want to see what other options there are, we are here to help. Our private investigators are highly trained in locating, observing, recording and photographing in almost any circumstance. Let HSI Security answer all your questions today.

Pre-Employment Screening

Hiring the wrong person can bring down a company and cost thousands of dollars. Proper screening of a potential employee by trained, experienced private investigators can make the difference. For more information, contact us at our Dayton, Cincinnati, or Columbus location today.

People and Asset Locator

Are you searching for someone? Are you trying to locate the assets of a company or person for collections? HSI can assist you. We can locate anyone in the United States or there is no fee. 

Landline and Cellular Services

Do you have a phone number or a name? We can tell you who owns a phone, where the person lives, and if they have a phone from a name. Call HSI Security today and we will be happy to help.

***Some restrictions may apply to these services***


Traffic Crash Investigation


Crash Reconstruction

HSI Security’s investigators are dedicated to performing crash reconstruction and investigation assignments to the highest standard in the industry. Our investigators are trained first responders that have the ability to lead a complete forensic analysis of the scene; including interviews, vehicle inspections and calculations.  In addition, our investigators are ACTAR certified and required to continually upgrade their education in the art/science of crash reconstruction.

Our experts are not just investigators; they are trainers to several groups across the country.  By providing the latest updates in this field to other law enforcement agencies or private companies, it challenges our experts to always be on top of the ever changing world of automotive technology, which in turn plays a huge factor in contributory circumstances.  We would love the chance to sit down with you and discuss any case that you have questions about.


Forensic Mapping

We specialize in on-site forensic mapping. Our reconstruction investigators have the expertise and equipment to measure or scan a scene, in a fraction of the time so you can clear the roads faster.

Understanding that the cutting edge equipment we use, such as 3D Laser Scanning or advanced optical surveying, can be out of reach price-wise at times, departments or companies can contact us to assist you in measuring a scene immediately after the crash – while the evidence is fresh in terms of witness recollections, roadway evidence and damaged vehicles.   At that point, we have the experts to assist in diagramming the scene in 3D and providing a video depiction of your calculated findings.

It is important to preserve the immediate evidence before it erodes and disappears, so set a plan to contact us right away, 24 hours a day.


Forensic 3D Animations

Accurate Forensic Video Depictions for Court

HSI Security provides accurate and scientific forensic video depictions as a standard on any case, where the reader must understand the relationship between time, distance, and motion.  This can help anyone understand an event that happens within the time span of a few seconds, or that possible view obstruction that can only be described through the use of a video.


Crash Reconstruction Consultants

We invite you to call us and discuss your case issues and challenges as it relates to crash causation, injury magnitude, etc. When you call our toll free number, you will receive up to 30 minutes of free advice on how to manage your case from a technical perspective. You can expect HSI Security consultants to provide honest feedback, which will clarify your choices for the next move.  Should you elect to engage in our services, you can expect to receive our ongoing advice which is sound, relevant and honest.

Service, support and team work – from start to finish.