Your security is our top priority
We offer a wide range of Security Guard Services in California. Smart solution for your security.
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About Us
15+ Years Experience
At National Union Security Service, we are committed to safeguarding what matters most—your people, property, and peace of mind. With years of experience and a team of highly trained professionals, we deliver tailored security solutions designed to meet the unique needs of every client. Whether it’s around-the-clock surveillance, event protection, or patrol services, our mission is to provide reliable, professional security you can trust.
Your safety is our priority, and we’re here to ensure a secure environment for businesses, communities, and individuals alike.
Areas Do We Serve
For years, National Union Security Service, Inc. has been a trusted provider of top-tier security guard services across California. We proudly serve areas including Los Angeles, Orange County, Riverside, and San Diego. Contact us today for a free consultation and experience reliable security you can trust!
Sacramento
San Francisco
Fresno
San Jose
Los Angeles
San Diego
Orange County
San Bernardino
We proudly partner with
Our Satisfied Clients
Excellence in Trained Security Guards
OUR TRAINED SECURITY GUARDS ARE BEST!
At National Union Security Service, Inc., we believe security goes beyond presence—it’s about swift responses, proactive deterrence, and preventing incidents before they happen. As a leading security provider in California, we understand the importance of prevention, which is why every guard is rigorously trained to handle diverse situations with professionalism and expertise.
Our comprehensive training programs ensure our guards excel in private security services while also adapting seamlessly to assist with customer interactions or organizational needs, provided it doesn’t compromise their primary security duties. Trust us for reliable, versatile, and proactive protection tailored to your needs.
Security You Can Trust
Why Choose Us
At National Union Security Service, we stand out for our commitment to delivering unparalleled safety and peace of mind. Here’s what makes us the right choice for your security needs
Fully Trained Security Guards
Skilled professionals equipped to handle diverse security challenges.
24/7 Dispatch
Always available for prompt responses and assistance.
Licensed, Insured & Bonded
Complete compliance for your peace of mind.
24/7 Security Services
Round-the-clock protection you can rely on.
No Long-Term Contracts
Flexible service agreements tailored to your needs.
Dedication
A team committed to your safety and satisfaction.
Professional Management
Experienced office staff ensuring seamless operations.
Personalized Security
Tailored solutions designed to meet your unique requirements.
Our Staff
Happy Clients
Project Completed
Award Winning
Comprehensive Security
Our Security Services
At National Union Security Service, we offer a comprehensive range of professional security solutions tailored to meet your specific needs. Whether you require protection for an event, ongoing patrols, or specialized services, we are here to ensure your safety and peace of mind.
Security Patrol
Vigilant patrol services that monitor and secure your property or business premises effectively.
Mobile Patrols
Regular and efficient security patrols to deter criminal activity and provide rapid response to incidents.
Event Security
Professional security teams to ensure your events run smoothly and securely, with no disruptions.
Residential Security
Protect your home and neighborhood with reliable and visible security solutions for enhanced peace of mind.
Armed Security
Highly trained and licensed armed guards for situations requiring a strong deterrent and added protection.
Bodyguard Services
Dedicated bodyguards ensuring your personal safety in all circumstances, tailored to your lifestyle and needs.
Hospital Security
We provides top-tier hospital security in California, ensuring a safe and protected environment for patients, staff, and visitors.
Construction Site Security
We offer top-tier construction site security services, safeguarding your equipment, materials, and workforce with vigilant, professional security guards.
Commercial Security
reliable commercial security services, protecting businesses with trained guards, mobile patrols, and customized safety solutions.
Your Trusted Security Partner
National Union Security Service, Inc
Serving California for over 15+ years.
As a trusted provider of security guard services, National Union Security Service, Inc. is dedicated to delivering exceptional protection customized to fit your unique needs, objectives, and budget. Backed by a team of skilled professionals and advanced security technology, we strive to be your go-to security partner, ensuring safety and peace of mind every step of the way.
Seamless Security
Our Process
At National Union Security Service, we’ve streamlined our process to ensure you receive the best security solutions tailored to your needs. Here’s how we work with you.
01
Assessment
We begin by understanding your specific security needs through a detailed consultation. Whether it’s for an event, property, or personal protection, we analyze potential risks and requirements.
02
Custom Plan Creation
Based on the assessment, our experts design a personalized security strategy. This includes selecting the right services, personnel, and tools to address your unique challenges.
03
Implementation
Our professional security team takes action, seamlessly integrating the plan into your environment. We ensure all aspects of the strategy are executed efficiently and effectively.
04
Ongoing Support
We don’t stop at implementation. Our team provides continuous monitoring, periodic reviews, and adjustments to ensure your security remains uncompromised.
National Union Security Service
TOP-RATED SECURITY GUARD SERVICES IN CALIFORNIA
At National Union Security Service, we provide comprehensive security solutions tailored to meet the unique needs of our clients. Whether safeguarding your commercial or construction site, ensuring the safety of your residential area, or managing security for a high-profile event, you can count on us for dependable, professional protection.
Our Services Include:
- Security Patrol
- Armed security
- Unarmed security
- Executive Protection
- Bodyguard Services
- Fire Watch Security
- Standing Guard
Testimonials
What Our Clients Says
Maria G
Finding an affordable yet reliable security company was a challenge until we found NUSS. Their rates are competitive, and the quality of service is unmatched. The unarmed guards we hired for our retail store are always alert and approachable. They've earned our trust!
James
We recently hired NUSS for security at a large corporate event, and they exceeded our expectations. The guards were punctual, well-dressed, and incredibly professional. They made both our staff and guests feel safe throughout the event. We'll definitely use their services again.
Sarah
NUSS has been a game-changer for our business. Their team is professional, reliable, and always goes above and beyond to ensure our property is secure. We hired them for mobile patrol and have seen a noticeable reduction in incidents. Highly recommend their services to any business in California!
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Our Blogs
Stay informed with expert insights, tips, and updates on security solutions tailored for California. Explore how we safeguard communities, businesses, and events with our professional security services.
Why You Should Hire Local Security in California – Protect Your Business, Home, and Events
Introduction: The Growing Need for Local Security in CA As California’s population grows, so does the need for safety and security. Businesses, residential communities, and event organizers face increased security risks, from theft and vandalism to unauthorized access...
Unarmed Security Guard Services in Sacramento, CA – Affordable & Reliable Protection
Why Unarmed Security Guard Services Are Essential in Sacramento, CA As Sacramento continues to grow, so does the demand for professional security services. Businesses, residential communities, and event organizers understand the importance of safety and crime...
How to Hire Security for Events in Sacramento, CA – Keep Your Guests Safe and Your Event Secure
Looking for trusted security guard services in Sacramento, CA? National Union Security Service offers armed and unarmed guards, mobile patrols, and event security. Call (818) 669-7957 for a free quote! Why Event Security in Sacramento, CA Is Essential Hosting an event...
Protect Your Assets – Call Now for Expert Security!
Get a customized security solution today—tailored to your needs, plans, and budget. Don’t wait—protect what matters most!