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With Investigative and Security Affiliations Nationally and Worldwide.

Rob L. Kimmons, President (Rob is certified as a CPP, CFE, and CHS III). He also is a member of ESC, Energy Security Council.

Kimmons Investigative Services, Inc. is a professional investigation agency established in Houston, Texas in 1983. All of our private investigators are highly skilled and professional. We are currently licensed throughout the State of Texas and insured in excess of the required state limits. Our private investigators include former and current law enforcement officers, which make our capabilities and investigative services second to none.

Kimmons has working relationships with security firms and private investigative firms nationally and worldwide. Our internal network of resources allows us to maintain a high confidentiality level with each investigation performed.

If a client has a private investigative need or an international issue that needs to be taken care of, please call (713) 532-5881 for more information. Kimmons investigative capabilities include corporate investigations, due diligence, skip tracing/nationwide locates, countermeasures, debugging, and computer/cell phone forensics. Our cases range from domestic investigations to corporate investigations. We also perform background checks, pre-employment screenings, and many other investigative services listed below.

Expert Private Investigative Services in Texas

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Corporate Investigations and Security

Kimmons specializes in all aspects of corporate investigations and security. Our Texas PIs are thoroughly trained to handle many different types of corporate investigations and private investigations, including fraud, theft, embezzlement, theft of trade secrets, cargo theft, internal affairs, corruption, non-compete contract violations, injury cases, and surveillance. In all cases, Kimmons’ focus is determining the scope of the loss, parties involved, and the actions needed to prevent a re-occurrence.

Kimmons Investigative Services, Inc. handles all domestic investigative matters including contested divorces. Investigators regularly perform surveillance, locate assets, interview witnesses, conduct computer forensics, vehicle tracking, countermeasures/debugging, etc. on domestic cases.

You can read more information on this page about our domestic and family matters investigation services.

Bug Detection, Countermeasures, and Debugging

Kimmons uses state of the art equipment, and highly trained technicians when providing countermeasures and debugging services.

Each technician has completed extensive specialized training in the use and application of each countermeasure detection device. Kimmons’ recent purchase of REI’s Oscor Unit positions them ahead of most private security companies that offer TSCM services.

Don’t overlook the threat posed by bugs.

Due Diligence Investigations including International

Kimmons provides detailed investigations on potential investments, such as an examination of operations and management, and the verification of material facts. We offer due diligence investigations throughout Texas and the world.

Electronic Surveillance

Kimmons has highly-qualified and experienced surveillance investigators and maintains state of the art surveillance equipment. Surveillance can be useful in domestic disputes, injury cases, employee theft, labor disputes and demonstrations, as well as many other instances.

What Our Clients Say About Us



I've known Rob for over 20 years, and you won't find a better investigative services firm.
Fred Burton
Protective intelligence, security, and executive protection.


I am a board certified family law attorney and have used Kimmons Investigations on
numerous occasions. They are always professional, polite, and relentless!
A D
Board Certified - Family Law


Rob and his associates worked with the city on a few projects. We received quality service and were extremely satisfied with their work.
Karen Edwards
City of Alvin Texas
Human Resources


Ever since I was introduced to Rob Kimmons five years ago, I’ve relied exclusively on Kimmons Investigative Services to handle all aspects of the investigative work that I needed done in complex, high-stakes litigation. Kimmons has consistently produced results under challenging circumstances, always on time, and always with high-quality, in-depth reports.
Thomas Mars
Trial Lawyer
Former State Police Director
Former General Counsel Walmart

Office Locations

5177 Richmond Ave. Suite 1190 Houston, TX 77056
(713) 532-5881
(346) 800-9774
Email Laura