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Hours Of Operation

Mon - Fri: 7am - 10 pm

Sun: 9am - 9pm

Sat: Closed


*Legal Process Service    

*Comprehensive Criminal Background Checks

*Missing People Search

*We Locate Missing Friends &Witnesses

*Litigation Support

    *Infidelity Investigations


   and much more


Licensed. Experienced. Detail-Oriented.

International Private Detective Firm

based in

St. Louis, Missouri

We will go to the end of the Earth for you...literally

Our staff consist Private Detectives of international standards who are highly trained, experienced, and focused. Since we opened our doors in 1999, we have been dedicated to helping our clients find the answers they need through our second to none professional services.  The first step is scheduling an initial consultation with each client in order to device an action plan.  Shortly after, a team of security professionals with experience across various fields, ensuring our clients get the expertise they cannot find anywhere else.


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Between February and July 2016 we hired Wilcorp to locate, track, and surveil delinquent customers on our behalf and they amazed us with the results. We were pleased and will definitely hire them again. We recommend Wilcorp for all your investigative needs.

Wilcorp found international clients for us 

Plan-Tastik Professionals 

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August 31, 2018. Back in 2015 our company was unable to locate five people we were hired to find. We called WILCORP, then voila!! These investigators are the best.

F.E.D.S Collection Agency

Best Private Eye guys around.  They got me all the evidence I needed to out a cheating girlfriend.  Thank you Wilcorp.

Courtney Roy

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Investigative Services

We Do it All

From covert investigations to loss prevention in corporate issues, we have an impressive collection of services designed to help solve all cases. Years of experience have taught us to tackle each investigation with professional manner, and we’re committed to protecting the privacy of each client while doing all we can in order to provide them with timely and accurate results.

  • Mobile Surveillance

  • Executive Protection/Bodyguard (covert for intelligence gathering)

  • Advance Intelligence Team

  • Undercover/Sub-Rosa

  • Loss Prevention Specialist

  • Security Consultation

  • Process Service

  • Skip Trace

  • Infidelity/Cheating Spouse

  • Insurance Fraud

Are you a Law Firm, Attorney at Law, or private individual you need a Legal Document served?

We will do our due diligence and professionally serve your documents and provide you with the proof you need.  Do you need video, audio, or still photo of the service being done?  We do that too. 

Undercover Investigations

Our Story

Exceeding the chief investigator

WILCORP Consultants is owned and operated by R.G. Wilson, a highly educated, former law enforcement official who has a plethora of experience and specialized training in a wide range of protective and investigative areas;  with more than 26 combined years' experience in Private Investigations and Law Enforcement. 


Some vital experience include working in personal protection as a bodyguard to government dignitaries, travelling the world with the  principals he was hired to protect. He worked for twelve years as a police detective, and five years teaching and training police officers, security officers, and private detectives.


R.G. has pursued advance studies in the field of Criminal Justice, Private Investigations studies and practices, and in Paralegal studies.


At Wilcorp, we are known for employing some of the most experienced and educated investigators in the area. Our world-class investigators understand what it takes to get the results you need. With responsible research as one of the main pillars at our company, we consistently adhere to ethical and professional standards to ensure our work remains unbiased, relevant, and accurate.

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Quality Work

The world seems to be turning into a more dangerous place, and this means trusting people blindly is getting harder to do. With this service, you can stay calm knowing that our skilled team will use all available resources to find the information you seek. When you decide to work with WILCORP Consultants, you’re guaranteed accurate, honest and timely results.

A Clear Solution


Cheating wife or husband? Let us take away your headache, uncover all secrets, and provide you with photographs and videos that are irrefutable. 

Insurance Fraud 

When a claim seem a little questionable we will scope and provide you with the vital proof you need to verify that your client has provided you all the facts. Get us on the case right away.


Surveillance is one of our most popular service, and we’re happy to provide it for anyone who needs it. Although many cases are often time-sensitive and always unpredictable, our amazing team of seasoned investigators is well equipped to handle this kind of task responsibly and carefully in order to avoid information leaks and legal missteps.

Trustworthy Tactics

Sit down in office and discuss your case and all available options.
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Quality Work

Pre-employment screenings, process service, litigation preparation, or just wanting to know more about the person you dating or to marry

We’re working hard day and night and using all our resources in order to find the information our clients need. We use the latest technology in order to provide this service for all our clients. Whether you’re an individual or an organization, give us a call to schedule a consultation and start taking advantage of our latest technology and responsible investigative tactics right away.

Contact us today to set up a session so you can start benefiting from our wide range of services.

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What Sets Us Apart

Unique Quality

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Free Initial Consultation &
We Travel Internationally

We are one the only Private Investigative firms that performs detective services worldwide.  Our investigators with a combined 110 years experience are capable and equipped to travel to various parts of the world if you need us to.

Countries in which we have worked are:

United States


Cayman Islands


The Bahamas

Exceeding Expectations

Our Story

WILCORP Consultants is known for employing some of the most experienced and educated investigators in the area. That’s because after years of experience working both small and large scale cases, our world-class investigators understand what it takes to get the results you need. With responsible research as one of the main pillars at our company, we consistently adhere to strict quality and privacy standards in order to ensure our work remains unbiased, relevant, and accurate.


Private Investigators

St. Louis, Missouri

Licensed. Fully Insured. Experienced. Detail-Oriented


Can I pick my own investigation team for my next case?

Because of our unique quality as a well-rounded P.I. firm, all of our Investigators are specially trained and experienced in a wide range of areas.  Upon careful analysis of your case, we will assign the best investigators to tackle the task.  We have your back.

Contact Us

Parkway Towers

225 South Meramec Avenue

Suite 201

Clayton, MO 63105



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