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, and was named one of the top 25 Investigators of the century by the National Association of Investigative Specialist. 

Matthew E. Hyatt CMPI, LPI has been a licensed private investigator with the company since 1999. Matthew is a Nationally Certified Missing Persons Investigator, and a Texas Supreme Court Certified Process Server SCH5568. Matthew is commissioned by the Ward 3 Marshal's Office, and is 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 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 30 years. We strive to work with you, not just for you.


✣ 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 theTOP 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


TEXAS SUPREME COURT CERTIFIED PROCESS SERVERS


MISSING PERSONS CERTIFIED INVESTIGATORS


SWLA CHAMBER OF COMMERCE


We do not take walk-ins must have an Appointment only!

📞 CALL US TODAY! 

PHONE: 337-477-9361

FAX: 337-477-9362

1904 N. MLK HWY Lake Charles, LA 70601

LA 4211-083099 LCPS#0012 TX SCH# 5568

Louisiana Private Investigators & Process Servers immediately available in:    

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.

We Offer Our Private Investigators In the Following States:

ARKANSAS, OKLAHOMA, SOUTH DAKOTA, WYOMING, COLORADO, MISSISSIPPI, ALABAMA, IDAHO. 

We Offer Private Investigators in a Limited Capacity in the Following States:

CALIFORNIA, FLORIDA, GEORGIA, NORTH                      CAROLINA, OREGON, TENNESSEE, VIRGINIA. 

Hyatt Investigations, LLC 1904 N. Martin Luther King Highway Lake Charles, LA 70601  © Hyatt Investigations & Process Service, LLC  2013