Complete Security Systems
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We're Complete Security Systems, one of the largest independently owned, full service security and fire alarm companies in New Jersey. Our story begins in 1983. Back then, founder Chris Mosley ran a one-man operation out of his toolbox. Today, we're one of the oldest and largest security providers in New Jersey and the only company to be awarded the prestigious NJESA Dealer of the Year for 3 years.

We look after your home and business like family. After all, we live and work here, too. We have been family owned and operated for over 30 years and have a stake in protecting and ensuring security for our community. On any given day, you might find three generations of the Mosley family working at CSS.
Services
What do you want to protect? At CSS, we design customized security solutions to help protect the things that matter most. Because what's important to you is important to us. The safety of your business is our business. So whether you're a small business or a large enterprise, we can design a security solution that works for you 24/7.
We will follow up with you within 24-48 hours with an answer or to schedule a service visit if needed. You can also find answers to common questions or see our product help for manuals and videos. Complete Security Systems, Inc. is taking every precaution in an attempt to protect our employees and client's safety, security, and health.
CSS is the chosen security specialist for some of New Jersey's largest commercial and industrial facilities. We offer total protection from fire and intrusion for office buildings, schools, warehouses, medical clinics, retail and more. Our certified security experts will design and install a customized system featuring the leading security products in video surveillance, access control, fire alarm systems and interactive security.
Protecting your family is serious business, which is why we take our business equally as serious. With a cellular connection you can control your security system remotely, as well as control other devices such as locks, lights thermostats, and cameras. While most systems provide basic home protection, the right communication capabilities greatly enhance the security performance of your system.
Reviews (5)
Horizons At Woodlake Greens
Horizons At Woodlake Greens
Feb 16, 2021
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Positive: Professionalism, Punctuality, Quality, Responsiveness
Complete Security Systems has been great to deal with. They have been quick to respond to our needs, professional and prompt. Dealing with Brian, Lauren and Craig to name a few have been a pleasure. Thank you.
Jerry Tomaselli
Jerry Tomaselli
Nov 09, 2020
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Positive: Professionalism, Responsiveness
COMPLETE SECURITY SYSTEMS IS THE BEST - GREAT TO DEAL WITH !
John Luthin
John Luthin
Sep 05, 2020
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Positive: Professionalism, Punctuality, Responsiveness
We have used CSS in our home for over 25 years and have been happy with there system and service. We are moving to a new home and hope to continue CSS provide us with their excellent service.
Megan Sturrock
Megan Sturrock
Nov 09, 2019
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Had a few questions regarding the Alarm System, as renting property. - Lillian was extremely helpful. She kindly sent through the Manual for assistance.
I would highly recommend CCS for their systems, and for the very helpful and pleasant staff when you have questions.
Roberta Lyons
Roberta Lyons
Oct 06, 2019
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Terry Hemmer was scheduled to repair our system today between 8am and 9am. He was here punctually, identified the problem and repaired it quickly. He was pleasant, courteous and most importantly, knowledgeable. Thanks.