​Your Trusted Partner in Security
Founded in 2009 by two public school teachers and a proud U.S. Armed Forces veteran, United Security has grown into one of the most trusted security companies in Phoenix. We provide reliable security guard services and professional security guard patrol services tailored to protect what matters most. With a strong commitment to community, integrity, and safety, our team brings unmatched dedication and experience to every assignment. We’re proud to be an A+ rated business with the Better Business Bureau, a reflection of our high standards and client satisfaction. Partner with United Security—Together We Are United!
Tailored To Fit Your Needs
At United Security, we understand that every client has unique security requirements. That’s why we offer customized security solutions designed to fit your specific needs, whether you require on-site security, mobile patrol services, or event security.Our experienced team works closely with you to assess risks, develop strategic security plans, and implement solutions that provide the highest level of protection. From small businesses to large corporations, our flexible approach ensures you receive the right security coverage without unnecessary costs. United Security delivers reliable, efficient, and proactive security services that adapt to your evolving needs. Let us provide a security plan tailored just for you.
24/7 Support
At United Security, we provide 24/7 security guard services in Phoenix and throughout the state of Arizona, ensuring your business, property, or event is protected at all times. Our highly trained security guards are always on duty, ready to respond swiftly to emergencies, conduct routine patrols, and deter potential threats before they arise. We understand that security concerns can happen anytime, which is why we offer real-time monitoring, mobile patrols, and on-site security solutions tailored to your specific needs. Whether it's safeguarding commercial properties, residential communities, or construction sites, our round-the-clock security services provide the peace of mind you deserve. As one of the most trusted security companies in Arizona, we are committed to fast response times, professional service, and proactive protection—anytime, anywhere.
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Who We Are
Our Story
United Security was founded in 2009 by three Arizona public school teachers—one of whom is a proud U.S. military veteran. Our roots in education and service drive everything we do. As lifelong educators, we believe in the power of training, continuous learning, and clear communication. That’s why we invest heavily in developing our team—setting our security guard professionals up for long-term success. This commitment to learning sets us apart from other security companies in Phoenix.
Today, United Security is a trusted provider of professional security guard services and security guard patrol services across Arizona. We offer customized protection for businesses, residential communities, events, and more.
We proudly serve the Phoenix Metro Area, including Mesa, Chandler, Scottsdale, Glendale, Tempe, Gilbert, Peoria, Surprise, and Avondale. We also extend our trusted security services to Tucson, Flagstaff, Yuma, Casa Grande, and Show Low.
If you’re searching for security guard services in Phoenix, or anywhere else in Arizona, trust the team that combines real-world experience, educational leadership, and military discipline. United Security—Together We Are United!.
Who We Serve
INDUSTRIES
United Security
Protecting What Matters, Securing Your Peace of Mind.
Our Testimonials
What they’re saying about us
Sierra A
Property Manager
"United has been reliable and has helped us out on last minute needs. Even Chaz has filled in when necessary"
Linda M.
Purchasing Manager
"Nice working with you. I’ll definitely call you next time we need security"
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