American Guardian – Atlanta’s Most Trusted Security Company
Superior Products | Unparalleled Service

Call (770) 446-9577 For Your Free Quote

Metro Atlanta’s top security systems company!

We are a local, family run company offering personalized service. American Guardian is also Georgia’s oldest and most respected ADT Authorized Dealer. They have represented ADT here in Georgia for over 30 years now.

Member of Atlanta Better Business Bureau with an A+ rating & Zero Complaints!

4.8 Star Home Advisor Rating
4.4 Star Google Review Rating

Low monthly fees for monitoring...

Six Monitoring Stations Monitoring your Home Redundantly
Mover Program Available
UL Listed Monitoring

Save Now On ADT Home Security!

ADT^© Monitored Home Security Systems Atlanta, GA

Starting At $27.99/Month | Includes $850 in Security Equipment

With the security systems Marietta, GA trusts, your home or business will stay safe and secure.

Your New Security System includes:

One Master Control Panel
One Slimline Color Touchscreen Touchpad with Talking Feature
Three Wireless Door Contact Sensors
One Pet Friendly Passive Infrared Wireless Motion Detector
One 24 Hour Lithium Backup Battery Module
Panic Buttons For Police, Fire and Medical
One Siren/Sounder
One Impressive Newly Designed ADT Yard Sign
Four ADT Window Decals
One Professional Installation and Customer Tutorial

A+ Rating with Better Business Bureau
Zero Complaint History
UL Listed Monitoring
Six Monitoring Stations Monitoring your Home Redundantly
4.8 Star Home Advisor Rating
No Contract Required
Low, Low Month to Month Monitoring Plans
Free Security Offer Available
Professional System Installation
Money Back Guarantee
Mover Program Available

“The Sign of Superior Security”

Superior Products with Dual Path Communication Technology
Two Way Encryption Technology
Free Doorbell Camera Offer
Local Company with Personalized Service
Local Family Run Company
Two Way Voice Camera Systems
No Telephone Line Required
Control your System Through your Smartphone
Honest, Fair and Extremely Competitive Pricing
Low Price Guarantee

What Our Clients Say…

The folks at American Guadian Security Systems helped us map out the system that is right for us. Brant Henke discussed all the options with me, and provided knowledgable and reasonably affordable options. The installer came out on time, (And was even a few minutes early!) The installation was done in under two hours, and the he took the time to explain the system, making sure we understood everything before he left. The installer was courteous and wore a mask the whole time he was in our home, which we really appreciated. If you're looking to install a security system for your home, I highly recommend AGSS.read more

Sibongile B.N. Lynch

19:33 10 Sep 21

Brent was my first contact. What a great guy! Very informative and great customer service. The technician, Andrew was very professional, was on time, great customer service. He explained everything and made sure I understood the panel, app and the key fob.read more

TL Horton

16:46 13 Aug 21

When I first spoke to Brant, he was very specific in finding out my security needs and was thorough and explained the process in detail. He was able to get me a next day appt and the technician, Andrew, was knowledgeable and did not rush and took time explain the system as well. I'm very happy and will call them for any security needs in the future. Thank you!read more

Allana Botley

15:51 12 Aug 21

We just got our system installed and we're loving it!Brant has been great to work with, he is very nice and has helped us making sure everything is running smoothly.The system is very user friendly, the technician did a great job explaining us how to set it up, it's very useful to have an app as well.read more

patricia chow

14:53 25 Jun 21

Brant and FJ were extremely helpful and knowledgable related to my product selections and set up. Professional team that I would recommend.

Nicole Williams

18:25 18 May 21

Great service, excellent communication, super-friendly, and the install technician did not leave until everything was absolutely perfect! Great attention to detail.read more

Lance Burage

15:33 16 May 21

Our service tech did a great job explaining the new security system and was very helpful! ADT is a fantastic system and allows me to arm and disarm from my phone!read more

Catherine Jessup

15:25 13 Apr 21

Great service and prices. Quick installations. We're happy to have them join our community

City Guide

14:50 27 Oct 20

Great service, called right back and showed up on time the next dayInstallers knew what they were doing

Steve Scheuer

18:08 09 Oct 20

This is simply an amazing company. Brant, the owner was awesome to work with. He sent the technician out to my home the same day that my cameras were delivered. FJ, was great. He took his time and did a highly professional job. I would definitely recommend this company and in fact, I have already sent my neighbor their info.read more

Scott McLean

20:58 13 Sep 20

Just two days ago I called and was met by friendly staff two days later technician came out and install all four cameras everything is looking great and I feel just a little bit safer thank you very much for the great customer service goes a long way!read more

Ron The Bodyguard

22:04 28 Aug 20

We have been a customer of AGSS for over ten years. Never had issues. Brant is very responsive with any questions about panel display, low battery etc.read more

Simon Liao

16:12 04 Aug 20

Good day! My name is Dr. Roosevelt Isom, Jr. and I have been a customer with American Guardian for roughly 15 years! Since day one, they have always made me feel important as well as ensuring my family and I were catered with outstanding customer service! I would highly recommend American Guardian to any and every body who needs their home protected. Further, if you already have a carrier, I would definitely suggest you that you at least give them a call to inquire. I know the manager and receptionist by name and we're always glad to hear from one another. I am so glad that I have them protecting my home and will continue until the end! Thank you American Guardian for your service and being a part of my family!! *****read more

Barbara Isom

16:38 05 May 20

Great professional experience! American guardian security is an awesome service, they did exactly what I wanted for my security cameras, highly recommended these guys know what they're doing!!read more

Brsndin Crew

16:23 13 Apr 20

I would give 5 more if i could ! And james is great all was explained to understandably understand.will call again in the future.

Mark Frierson

23:23 13 Mar 20

Brant dealt with my expectations and a great customer service.Go AGS!!

ASHISH ABRAHAM

17:44 13 Mar 20

Excellent service. Communication was outstanding. Great value very professional.

Tim Adcox

17:37 31 Oct 19

Technician arrived on time, solved the problem creatively. Thanks for great service and friendly correspondence.

M S

16:45 02 Oct 19

I am very impressed withe the delivery and installation process. Thanks so much:)

Bola Modupe

11:57 27 Sep 19

Mike and Louise arrived on the schedule time and walk me through the steps for me to get used to the alarm system. Before they leave my home, they make sure I understood the process, plus they called to checked ito see everything is ok with the alarm system. They are the best family I met that works very well together.read more

Jacqueline Grant

23:29 01 May 19

Today we had our alarm system installed and the experience was great. The technician Chuck was very thorough and took his time making sure the system was set up correctly. Afterwards he explained how to use the system and gave suggestions on ways we could make our home more secure. We are very happy with our experience and highly recommend American Guardian.read more

Megan Halleran

16:53 15 Apr 19

This company was top notch. Brant was patient with us as we tried to weave our way through the various security options. We determined together what best iptions wee. Also his installer James did an excellent job and was prompt and professional. They made it easy on this non techno guy. I would definitely recommend them.read more

Robert Shaver

17:47 27 Feb 19

I have been a customer with American Guardian Security Systems for almost 9 years and very happy with their service. Recently I upgraded my system and it was a pleasant experience working with Brant and Chuck who worked diligently to take care of my concerns and explain the systems and process. Overall very happy with the experience.read more

Rajesh Jampala

17:17 01 Feb 19

I brought 3 ring Flood light cams to install on my new house. James came out and was very professional was very knowledgeable and did a great job Installing the floodlights. Along with that the price was very reasonable. Was extremely pleased with the work that was done. I would highly recommend American guardian securities in the future.read more

Deron Whitfield

15:06 25 Jan 19

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Call 770-446-9577