Detectives in Marietta, GA

Comprehensive list of private detective agencies and investigators servicing Marietta, GA.

Business Listings

Allen Investigative Services. is an expert, fully qualified, complete service investigative agency. We have Atlanta Private Investigators with surveillance and investigative experience since 1973. Our professional female and male team are specialists in problem solving in civil/residential, criminal and corporate investigations, as well being able to supply executive protection.


Holliday Investigative Services. is a private detective agency, licensed by the Georgia Board of Private Detective and Security Agencies. Our corporate office is situated in Marietta, Georgia, with additional offices, licensed, in Southern Florida and Northern California.


We currently have over fifteen years of Law Enforcement, Investigative, Research, and Analysis experience on our staff. We provide a huge array of professional, discreet, and confidential services to the Legal Profession, Business Community, Insurance Companies, Private Investigators, and Private Citizens.



Situated in N Atlanta, Georgia, Proof Positive Investigations. supplies a huge array of professional, confidential investigative services to law firms, insurance firms, corporations, tiny businesses and the general public throughout Atlanta, Georgia and Nationwide. At Proof Positive Investigations., we do not just sell investigative services.


We now provide polygraph examinations. See our services page for more information. Discovery private detectives work in Atlanta and all over Georgia! We are licensed by the Georgia Board of Private Detective and Security Agencies. Polygraph examinations are conducted by a certified polygraph examiner.


Safe Harbor Investigations is a Private Detective and Security Agency licensed by the State of Georgia. We are private investigators in the Atlanta, Georgia, area who have served metro-Atlanta and North Georgia since 2003. We will exceed your expectations! Premarital & Infidelity Investigations Learn the truth about your lover for your own peace of mind.


Situated in the Atlanta area of Georgia, APEX Investigations & Research. supplies professional, confidential investigative services to attorneys, corporations, huge and tiny businesses and private individuals. We provide services throughout Georgia and nationwide, as well as international investigations in most countries around the world.


RCT investigators will conduct a comprehensive investigation that will not only meet the firm but the customer's expectations as well. We will utilize the most cost efficient methods to obtain the results in any case assigned to investigate. Each case will be customised to the customer's requirements with periodic updates throughout the investigation.