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What is Grand Larceny & How to Protect You & Your Business Against It

In its most narrow sense, grand larceny is the theft of property over a…

How a Perimeter Alarm System Can Help Protect Your Home

Your home is more than just a house, condo, or apartment, and it is…

Types of Hackers & How to Prevent One From Entering Your Home

The internet is more enormous than most people can even fathom. It is so…

What You Need to Know About Outdoor Security Cameras Without WiFi

Keeping an eye on your home is more important now than it has ever…

Family Owned Dallas Home Security Company Since 1978

We are the largest independent alarm company in Texas, family owned and operated since 1978. Two generations of family are on the job, and now offering multiple home services.

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What our customers say

100% Satisfied

From the first phone call to the actual use of our security system we have been 100% satisfied! The technician was knowledgeable and courteous. He was able to answer all my questions and get the system up and running in no time. Thank you Smith Thompson Home Security for making our home more secure and at an affordable price to do so!!!!

Happy Customer Dallas, TX

We had a great experience with Smith Thompson

Recently for our home in downtown Houston! I was referred to Smith Thompson by a friend after expressing frustration with some of the larger brands that lock you into a 3-year contract. We called to inquire about the most cost-effective…

Excited Customer Houston, Texas
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We've had the same 16.95 rate for 45 years!