To add additional devices to your system, please call 972-526-8500, and press option #1 for the Sales Department.
Family Owned & Operated since 1978 in Texas
We own and operate our own UL listed dispatch center right here in Texas, and that’s how we’re able to offer high quality monitoring at a great price. We are the largest independent alarm company in Texas.
No Contracts. No Price Increases.
Get a Quote today!
What our customers say
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 CustomerDallas, 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…