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WE OFFER SURVEILLANCE, FULL BACKGROUND CHECKS, DELIVERY SERVICES & MORE!

EST. 1979

337-477-9361
OUR History & Memberships
Hyatt Investigations & Process Service, LLC was founded in Lake Charles, Louisiana in 1979. Our philosophy is simple, "Your peace of mind is knowing all the facts". The founder of the company, Gary A. Hyatt CLI, LCI, CFE, LPI served ten years as a Police Officer for the Lake Charles City Police Department. He left the department as a Detective Sergeant in 1979 to start a Private Investigative Agency. Gary has extensive background in the area involving Legal Investigations. Gary A. Hyatt, has many certifications including being the first licensed Private Investigator in the State of Louisiana, and was named one of the top 25 Investigators of the Century by the National Association of Investigative Specialist. Matthew E. Hyatt CMPI, LPI, NREMT has been a licensed private investigator with the company since 1999. Matthew is a Nationally Registered EMT, a Nationally Certified Missing Persons Investigator, and a former Texas Supreme Court Certified Process Server SCH5568 (so we are familiar with Texas rules on services). Matthew was previously commissioned by the Ward 3 Marshal's Office, and a member of the Ward 3 Marshal's Reserve. Matthew is a legally ordained minister, able to perform weddings, funerals, baptisms and other functions of the clergy in the United States. Matthew has a Bachelor Degree in Sociology from McNeese State University and has served as Gary's successor since 2008. Hyatt Investigations & Process Service, LLC of Lake Charles, Louisiana has always been at the forefront of the Private Investigation industry, including the concept of both state licensing and founding a state investigative association in 1987 called the Louisiana Private Investigator Association, Inc. Hyatt Investigations & Process Service, LLC of Lake Charles, Louisiana is a Christian family owned business employing only the best Licensed Louisiana Private Investigators & Certified/Licensed Private Process Servers, and have been serving the interest of Attorneys, Insurance Agencies, and the General Public in all types of Private Investigations and Process Services for over 46 years. We service SWLA specifically Lake Charles, Lafayette, Crowley, DeRidder, Leesville, Ragley, Reeves, Iowa, Jennings, Baton Rouge, New Orleans, Welsh, Westlake, Alexandria, Sulphur, Monroe, Kinder, Lake Charles, Longville, Vinton, Oakdale, Oberlin, Moss Bluff, Shreveport, Dry creek, Fenton, Lacassine, Leesville, New llano, Rosepine, Fort Polk, Calcasieu parish, Cameron, Allen, Beauregard, Jeff Davis & beyond On case by case basis. Call the best SWLA private investigators! Founder & President & Journal Editor of: Louisiana Private Investigators Association 1987-1988-1989-1990 NALI REGIONAL IV DIRECTOR 1992 - 1993 NALI ASST. NATIONAL DIRECTOR 1993 - 1994 NALI NATIONAL DIRECTOR 1995 INVESTIGATOR OF THE YEAR AWARD 1994 CHAIRMAN LA STATE BOARD OF PRIVATE INVESTIGATORS EXAMINERS 1994 LOUISIANA PI ASSOCIATION REGIONAL DIRECTOR 2002 Named One of the TOP 25 Investigators of the Century, NAIS 1999 NATIONAL ASSOCIATION OF PROCESS SERVERS NATIONAL ASSOCIATION OF INVESTIGATIVE SPECIALIST NATIONAL ASSOCIATION OF LEGAL INVESTIGATORS NATIONAL ASSOCIATION OF INVESTIGATORS / SPECIAL POLICE NATIONAL ASSOCIATION OF PRIVATE SECURITY INDUSTRIES LOUISIANA PRIVATE INVESTIGATORS ASSOCIATION NATIONALLY REGISTERED PARAMEDIC & EMT TEXAS SUPREME COURT CERTIFIED PROCESS SERVERS MISSING PERSONS CERTIFIED INVESTIGATORS SWLA CHAMBER OF COMMERCE NATIONAL REGISTRY OF EMERGENCY MEDICAL TECHNICIANS EMT & PARAMEDIC

★★★★★ Google Client Reviews!

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we service the following areas:

We service Lake Charles, Lafayette, Crowley, DeRidder, Leesville, Elton, Ragley, Reeves, Iowa, Jennings, Baton Rouge, New Orleans, Welsh, Westlake, Alexandria, Sulphur, Monroe, Kinder, Lake Charles, Longville, Vinton, Oakdale, Oberlin, Moss Bluff, Shreveport, Dry Creek, Fenton, Lacassine, Leesville, New llano, Rosepine, Fort Polk, Topsy, Calcasieu Parish, Cameron, Allen, Beauregard, Jeff Davis, SWLA, & beyond on a per case basis. Call Hyatt Investigations & Process Services, LLC #4211-083099

CONTACT US TODAY!

2025 Private Investigator Rates 130/hours 1.00/mile (3hr min.)2025 Lake Charles Document Delivery Rates 135.00 flat fee
Opening hours *Appointment onlyMONDAY - SATURDAY: 24 HOURSSUNDAY- CLOSED
P.O. Box 13292Lake Charles, LA 70612
337-477-9361
CALLHYATT@YAHOO.COM
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© Copyright 2025 All rights reserved. All registered trademarks herein are the property of their respective owners. Investigations & Process Service We have the best Louisiana licensed Private Investigators & Lake Charles Louisiana Process Servers & Lake Charles La Private Investigators available, Please call us Today! We service Lake Charles, Lafayette, Crowley, Elton, DeRidder, Leesville, Ragley, Reeves, Iowa, Jennings, Baton Rouge, New Orleans, Welsh, Westlake, Alexandria, Sulphur, Monroe, Kinder, Lake Charles, Longville, Vinton, Oakdale, Oberlin, Moss Bluff, Shreveport, Dry Creek, Fenton, Lacassine, Leesville, New llano, Rosepine, Fort Polk,Topsy, Calcasieu Parish, Cameron, Allen, Beauregard, Jeff Davis, SWLA, & beyond on a per case basis. Call Hyatt Investigations & Process Services, LLC License #4211-083099-LA! Best Private Investigators & Process Servers in Lake Charles, Louisiana.

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