Private Investigator & Process Server in St Louis, MO

Protect life, liberty & property,

Private Investigator serving St Louis Missouri

(877) 322-8770 Call a private investigator today

Private Investigative Services Available:

Private Investigator Badge - Citizen's Investigation, LLC

Private Investigation

Private Investigator St Louis, MO offering private investigation, for St Louis 

and throughout the State of Missouri.  We strive with providing excellent customer service for people needing private investigative services. You will have an experienced investigator at your side. 

Please give us a call today for a FREE consultation. 

Services offered are:


  • Escorts/Bodyguard
  • Due  Diligence
  • Court Records
  • Police Records 
  • Family Investigation
  • Criminal Defense Investigation
  • Surveillance/Undercover 
  • Locate Missing Person
  • Employee Misconduct
  • Background Investigation

Greg Miller Private Investigator St Louis Missouri

Process of Service


Process Server St Louis, MO offering Process of Service for St Louis                       and throughout the State of Missouri.  We have years of experience in the civil process system. We offer a comprehensive process of service to include Notary of service and return of service assuring accurate due process.

  • Skip Trace
  • Due  Diligence
  • Court Records
  • Police Records 
  • Process of Service 
  • Private Investigator
  • Public Records Search

Security Guard company St Louis Missouri

Physical Security

Physical security service for the entire St Louis County Metro area. 

When physical security services is needed for short term or long term, Citizen's Guard Security is the ideal service provider for security guards services in St Louis Missouri.  

As a former law enforcement and military Veteran; I assert my knowledge, skills, and values into our professional security staff in order to provide you the excellent customer service you deserve.

We provide the following security guard services:

  • Physical Security
  • Security Guard
  • Armed Security
  • Unarmed Security
  • Vehicle Patrol Service 
  • Loss Prevention
  • Retail Security

Contact Us


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Send us a message with your service request for private investigator, process server,  security guard, armed security guard services.

Citizen's - Private Investigator St Louis Missouri

100 South 4th Street, Suite 550 Saint Louis Missouri 63102

(877) 322-8770


9:00 am – 7:00 pm


9:00 am – 7:00 pm


9:00 am – 10:00 pm


9:00 am – 10:00 pm


9:00 am – 10:00 pm


10:00 am – 10:00 pm


10:00 am – 10:00 pm