23 Best Security Companies in CALIFORNIA (Top Rated)

Are you aware of the latest security advancements and how they can enhance your safety, and are you aware of the top companies in California dedicated to keeping you and your surroundings safe and secure? 

Security companies play a crucial role in safeguarding homes, businesses, and public spaces, ensuring peace of mind for individuals and communities alike. 

This article delves into the world of security companies and explores 23 leading names in California that prioritize expertise, professionalism, and a steadfast commitment to your safety. 

Discover how these companies employ cutting-edge technologies and highly trained personnel to provide comprehensive security solutions. 

Stay informed and make an informed choice regarding protecting what matters most.

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Security Companies in Bakersfield, California

1. Sonitrol Security Services (Innovative Safety Solutions)

Sonitrol Security Services, nestled in Bakersfield, California, offers top-tier security solutions for residential and commercial needs.

From its robust infrastructure to cutting-edge technologies, this company innovatively redefines safety. 

The striking logo emanates the assurance of unyielding protection.

Stepping into their office, you’ll meet a team of professionals committed to safeguarding their community. 

Their polite communication gives a sense of professionalism you can be confident they will deliver.

Sonitrol’s services are as varied as they are precise, from video surveillance to fire detection and access control to intrusion detection.

Their transparent pricing makes them a reliable choice for all security requirements. 

Opting for Sonitrol’s services doesn’t just mean enhancing your safety but also contributing to a safer neighborhood.

Their motto, “Securing peace of mind,” stands true to their services.

Address: 5251 Office Park Drive, #150 Bakersfield, CA 93309-0667

2. SITREP Security Solutions (Proactive Security Strategies)

SITREP Security Solutions, located in Bakersfield, California, is your trustworthy partner for comprehensive security services.

Their signature blend of advanced technology and highly trained personnel ensures the highest protection level for residential and commercial clients. 

They strongly emphasize proactive security measures, creating personalized strategies to mitigate potential threats. 

Their multi-layered security approach includes surveillance systems, alarm response, access control, and more.

SITREP’s professional and courteous team is renowned for its reliability and commitment to safeguarding your assets.

Their polite and helpful customer service towards every client is applaudable and satisfying.

Addressing every evolving security need, they continually adapt to meet the challenges of the ever-changing security landscape. 

Whether your needs are for your home, business, or event, consider SITREP as your premier security solution provider.

Address: 4440 Grissom St #102, Bakersfield, CA 93313

3. American Global Security, Inc. (Versatile Security Guard Services)

American Global Security, Inc. is a reliable stalwart in Bakersfield’s security landscape. 

With an impressive track record, the firm specializes in comprehensive security solutions, ranging from residential to commercial applications.

Californians trust the company for its professionalism, high training standards, and commitment to customer safety. 

Skilled security personnel are the firm’s bedrock, offering palpable and comforting security.

Their security guard services extend to event security, bodyguard services, and patrol services, offering a versatile range of options to meet diverse security needs. 

They pride themselves on their tactical approach and diligence, ensuring clients can rest easy with American Global Security.

American Global Security is a beacon of reliability and a shield ensuring peace of mind and topmost protection in Bakersfield.

Get the quality security you deserve.

Address: 9420 Topanga Canyon Ste 203 Chatsworth, CA 91311.

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Security Companies in Beverly Hills, California

1. Safety Host Unit (Customized Security Solutions)

Established in California, Safety Host Unit has been an industry leader in security services for several years. 

Offering a wide range of solutions, it caters to residential, corporate, and event security needs with unmatched efficiency. 

Their team comprises carefully vetted professionals who undergo rigorous training to handle diverse scenarios. 

They utilize cutting-edge surveillance and alarm systems technology, ensuring an all-encompassing security network. 

What sets Safety Host Unit apart is its customer-focused approach; they customize their services to fit every client’s unique needs, enhancing safety without intruding on privacy. 

Their 24/7 customer service ensures immediate responses to concerns, creating a safe environment for the people and their properties. 

Choose Safety Host Unit is a company that blends experience, technology, and dedication to deliver top-notch security services.

Address: 8383 Wilshire Boulevard #800, Beverly Hills, CA, 90211

2. HillQuest Security Services (Excellence in Security Solutions)

HillQuest Security Services is one of the premier security companies in Beverly Hills, California.

With years of experience and a commitment to excellence, they offer top-notch security solutions for various needs. 

Whether you require event security, executive protection, residential security, or corporate security, HillQuest has you covered. 

Their highly trained personnel undergo rigorous training in crisis management, conflict resolution, and emergency response, ensuring optimal protection. 

The company stays ahead of the curve by utilizing cutting-edge technology, including surveillance cameras, access control systems, and alarm monitoring. 

HillQuest prioritizes customer satisfaction, building long-term relationships based on trust and reliability. 

With their 24/7 support system, clients can always rely on prompt assistance and effective communication. 

Regarding security services in Beverly Hills, HillQuest Security is a name you can trust for exceptional protection.

Address: 8383 Wilshire Blvd., Suite 800, Beverly Hills, CA 90211

3. Doheny Security Services (Comprehensive Security Solutions)

Doheny Security Services, Inc., a top security company in Beverly, California, provides comprehensive security solutions to public and private organizations. 

This DBE-certified and woman-owned business, founded in 2019, offers services, including uniformed unarmed, armed security guards, Executive Protection Agents, Risk Management Consultants, and Roving Patrol Services. 

They also provide BSIS-certified training. 

Doheny Security Services is committed to protecting people, property, and reputations through proactive and preventative methods. 

In addition, they invest in their employees by providing guidance and training to develop their skills further in the security industry. 

Recently, with the acquisition of OC Firearms Training Academy, they have started offering courses to train and achieve proficiency in firearms and tactics​.

Doheny Security Services should be your first call if you need top-tier security services.

Address: 9663 Santa Monica Blvd. #1184, Beverly Hills, CA 90210

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Security Companies in Chatsworth, California

1. Good Guard Security (Bespoke Security Plans)

Good Guard Security greets you with its emblem of protection, a shield, symbolizing its commitment to serve and protect.

California businesses favor it for its strategic locations, exceptional security personnel, and competitive rates.

The blue and gold aesthetic of the website instills a sense of trust and assurance.

At its core, the company provides a comprehensive range of security services.

The services are in categories including residential, commercial, event security, and more, making it easy to navigate according to your needs.

Every security personnel is meticulously well-trained and licensed, guaranteeing the best protection for your assets.

The company offers bespoke security plans, allowing clients to tailor services to their needs.

There are dedicated sections for specialized services such as fire watch and executive protection, ensuring enough security.

Address: 21757 Devonshire St #10, Chatsworth, CA 91311

2. American Global Security, Inc (Fully Insured & Bonded)

American Global Security, Inc. is a comprehensive security guard company based in Los Angeles, California, with over 30 years of quality industry experience. 

They provide various services, including armed and unarmed security officers, security patrols, loss prevention, fire watch, and executive protection. 

Their guards are professionally trained and state-licensed, offering 24/7 security services across various industries. 

The company prides itself on customizing security solutions based on client needs and maintaining efficient communication.

American Global Security stays up-to-date with every new security innovation making use of advanced technology to improve their services.

They are fully insured and bonded, with each service carrying an insurance policy covering property damage and bodily injury. 

American Global Security, Inc. is renowned for its high-quality security solutions and excellent client services​.

Address: 9420 Topanga Canyon Blvd Ste 203 Chatsworth California 91311

3. America’s First Response Private Security (Top-Notch 24/7 Security Services)

In Chatsworth, California, America’s First Response Private Security is known for providing top-notch, round-the-clock security services in Los Angeles, Orange, and Ventura counties. 

It is committed to every client’s needs, offers superior customer care and innovative practices, and utilizes cutting-edge technology. 

With over 40 years of combined experience, the management team ensures that all security personnel are highly trained and licensed by the State of California’s Bureau of Security and Investigative Services. 

Their diverse service locations reflect their adaptability from construction sites, concerts, and office buildings, to gated neighborhoods. 

They also provide ongoing training for guards in various areas, ensuring constant vigilance using an advanced time clock systems and Detex GPS equipment. 

Fully insured and prioritizing client privacy, they guarantee to match or beat any competitor’s price​.

Address: 21704 Devonshire ST #163, Chatsworth, CA 91311

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Security Companies in Walnut Creek, California

1. The Guard Alliance Inc. (Premier Security Guard Services)

Guard Alliance Inc., recognized as one of America’s premier security service providers, offers professional security guard services, including armed and unarmed security guards and fire watch services. 

Their security personnel comprises former police officers, security specialists, and military personnel, ensuring high expertise and professionalism. 

The company ensures compliance with both its regulations and those of its clients and offers services for a variety of property types​. 

Guard Alliance is fully licensed, insured, and bonded, providing property damage and bodily injury​coverage. 

In response to the COVID-19 pandemic, the company has committed to following state mandates and implementing precautions for the safety of its employees and clients​.

Visit or contact them soon for active security that safeguards your properties and puts your mind at rest anytime, wherever you are.

Address: 2121 N California Blvd Suite 290, Walnut Creek, CA 94596 

2. A3 Smart Home Security (Comprehensive Home Security)

Based in Walnut Creek, CA, A3 Smart Home Security, formerly known as SAFE Security Systems, offers a comprehensive suite of home security, automation, and identity theft protection services. 

Its solutions are compatible with most major security systems, providing homeowners with flexible and reliable security solutions.

The residential security service it offers employs video surveillance, smoke detectors, and a variety of sensors to protect your home from intruders, fire, and floods. 

A3 also offers a robust home automation platform, which allows you to remotely control Wi-Fi-enabled devices like smart bulbs, outlets, and thermostats. 

Whether you own security equipment or seek comprehensive home monitoring services, A3 Smart Home Security’s competitive offerings make it a strong contender in Walnut Creek’s security market.

Get the security you deserve with ease.

Address: 1277 Treat Blvd #1000, Walnut Creek, CA 94597

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Security Companies in Fresno, California

1. Black Python Security Services (Core Values of Vigilance & Integrity)

Black Python Security Services dedicates itself to establishing ethical business partnerships with clients to promote a safer and more secure environment​​. 

They strive to be the security service provider of choice, offering top-tier service and an unsurpassed response to their client’s needs​. 

Upholding core values of Vigilance, Assistance, Integrity, Reliability, and Professionalism, their officers work to build trust with every individual they interact with​​.

The firm stands out for its adoption of the state-of-the-art Track Tik mobile device security system, which provides real-time logistical support and enables efficient tracking of officers for enhanced security measures​​. 

Among other services, including tactical security, event and corporate security, and risk assessments, Black Python provides comprehensive security solutions​​.

Black Python inspires confidence and actively contributes to the general well-being of Fresno.

Address: 2755 East Shaw Ave, Suite 103, Fresno, CA 93710

2. Fresno County Private Security (Professional Guards & Advanced Technology)

Fresno County Private Security, based in Fresno, CA, is a trusted name in the security company, providing guard services for a diverse clientele, including government entities, corporations, and private clients. 

A retired law enforcement-owned company, Fresno County Private Security has been maintaining its position as an excellent security provider since 2004. 

Their range of protection options encompasses armed and unarmed guards, drive-by check-ins, patrol shifts available around the clock.

It ensures peace of mind with a team of well-trained, professional guards, state-of-the-art tracking software, and GPS-enabled communications​​.

From the moment you step into their service area, you will be confident of quality security with their intelligent way of interacting and attentively registering your security needs.

They are open 24/7, ready to serve whenever the need arises​​.

Address: 1195 W Shaw Ave Suite B Fresno, CA 93711

3. AmeriGuard Security Services Inc. (Reliable & Cost-Effective Services)

AmeriGuard Security Services Inc. is a Fresno leading security guard company, serving the United States for over 30 years​​. 

Recognized as one of America’s premier security companies, AmeriGuard provides state-of-the-art commercial and protective residential services catering to nationwide governmental, commercial, industrial, and residential customers​​.

Reliable, cost-effective, and trusted, AmeriGuard’s professional and dependable services are fully insured and licensed for your protection. 

As part of their comprehensive offering, they also provide Security Officer and Firearms Training for those interested in joining the security industry​​.

AmeriGuard Security Services understand the essentiality of reliable and useful collaborations in creating a safer environment for everyone.

With their 24/7 security service, customer satisfaction, up-to-date technologies, and dedication, when considering security in Fresno, AmeriGuard Security should be your first call for security.

Address: 5470 W. Spruce Ave. #102, Fresno, CA 93722

4. Vanguard Security Services (Event & Private Security Specialists)

Established in 2016 as a veteran-owned business, Vanguard Security Services now thrives as an employee-owned firm with a customer-forward approach rooted in the heart of Fresno, California​​. 

Recognized for its exceptional service and dependability, Vanguard has built a reputation for exceeding standard security practices to meet its clients’ unique needs​.

Vanguard’s highly trained staff are equipped with everything from portable ID scanners to security wands for significant events, ensuring your business’s safety. 

With licensed professionals certified to administer CPR, carry chemical agents, and arrest and detain, rest assured your security is their priority​​.

Their services encompass event and private security, catering to various needs and offering peace of mind whether you’re hosting a large-scale event or require personal protection​.

Call them for a service that is worth the pay.

Address: 5361 North 3rd Street, Fresno, CA 93710

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Security Companies in Los Angeles, California

1. Allied International Security Guards Company (Statewide Security Coverage)

Allied International Security Guards Company in Los Angeles provides a stronghold of safety, as indicated by its robust fortress logo. 

With its services extending throughout California, it is famous for its professional and trained security personnel.

The personnel’s distinct black and yellow aesthetic makes them easily identifiable and conveys an air of authority and competence.

Their comprehensive security coverage, including residential, commercial, and event security, sets them apart. 

They are also known for their excellent patrol services and use of advanced technology.

With Allied, every security detail is well in place, and guards have every tool to handle any situation effectively.

Whether it’s a small business or a large-scale event, they ensure all security needs are covered.

They are a perfect option for professional and quality security services.

Address: 3325 Wilshire Blvd, Ste#724 Los Angeles, CA 90010

2. Eagle One Security Guards (Client-Centric Approach)

Eagle One Security Guards, a well-established and highly respected company in Los Angeles, stands ready to serve your security needs 24/7, 365 days a year​​. 

Their approach is genuinely client-centric, ensuring that you receive the security services you require when you require them and in the manner best suited to your needs.

Its team of licensed, fully trained, and experienced officers provides top-tier protection for your property and assets, adept at deterring any unlawful or unauthorized visitors​​. 

A wide range of services are on offer, including armed security, unarmed security, and patrolling services, all customized to meet your specific security requirements​​.

With a significant presence in Los Angeles and surrounding counties, Eagle One Security is commanding in the security industry, embodying trust, alertness, and reliability​​.

Address: 10315 Woodley Ave #227, Los Angeles, CA 91344

3. All Nation Security Services, Inc. (Comprehensive Security Services)

Established in 2004, All Nation Security Services, Inc. is a trusted security company based in Los Angeles, California. 

As a women, minority, and family-owned enterprise, it has extended its services across California, Nevada, Florida, Oklahoma, and Texas. 

The company boasts forty years of combined experience in security management, fulfilling the needs of small, medium, and large contracts. 

All Nation Security prides itself on its top-tier personnel, advanced technology, and effective communication. 

Their emphasis on core values and personnel management sets them apart in the industry. 

This dedication to quality has ensured their clients’ high level of satisfaction in the country.

All Nation is committed to providing a comprehensive list of security services tailored to each client’s unique needs, exemplifying unmatched professionalism in the security industry​​.

Address: 3701 Wilshire Blvd Suite 530, Los Angeles, CA 90010-2818

4. Onguard Inc. (Premier & Reliable Security Plans)

OnGuard Inc. is a premier security service provider in California, admired for its unwavering integrity and unparalleled reliability. 

Famed for its comprehensive, custom security plans, OnGuard serves various clients, from small businesses to large corporations​​.

What sets this company apart is its flexible, no long-term contract policy, and a unique live tracking system, OnGuardLive™️ App, that monitors officers 24/7. 

Their security personnel are well trained, hold valid California Guard Cards, and meet stringent standards. 

OnGuard is fully licensed, insured, and bonded and provides round-the-clock dispatch services to ensure optimal security for your assets​​.

Clients laud OnGuard for its professionalism, affordability, and steadfast dedication to safeguarding their interests as if they were family​. 

Whether you need security for corporate headquarters, retail shopping centers, or residential communities, they have your back​.

Address: 9836 White Oak Ave, Suite 105, Northridge, CA 91325

5. Veritas Security Services (Dedicated to Client Safety)

When you first visit Veritas Security Services’ office, the firm’s dedication to your safety becomes immediately apparent. 

Established in 2012, Veritas has since been a beacon of security in Los Angeles, marking its territory in the industry with an unwavering commitment to clients and quick problem resolution.

Offering a plethora of services ranging from risk assessment to 24/7 commercial security, Veritas stands as a full-spectrum security provider. 

The firm’s teams, handpicked from military, safety, and criminal report backgrounds, are the knights in shining armor ready to shield you from unanticipated security threats. 

Its cost-efficient approach ensures that top-notch security isn’t just a privilege for the few but a right for all. 

Whether you’re seeking armed protection, CCTV monitoring, or loss prevention, Veritas is the name to trust. 

Address: 2202 S Figueroa Street #525 Los Angeles, CA

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Security Companies in Hayward, California

1. XpressGuards Security Guard Services (Highly Trained Security Guards)

XPressGuards is a beacon of security in Hayward, CA, ensuring businesses and individuals experience a sense of safety and protection. 

What sets them apart is their team of highly trained security guards, many of whom are former police officers and correctional officers, guaranteeing adept handling of any security situation​​.

Offering competitive pricing tailored to specific needs, XPressGuards is a national company with over six hundred offices across the US, assisting with security requirements irrespective of job size or location​​.

Their guards are fully licensed and insured, meeting all state regulations, ensuring a professional and reliable service​​.

Security services include protection against various crimes, monitoring security surveillance, patrolling sensitive areas, keeping security logs, and providing emergency response. 

Their attention to detail and comprehensive services make them a good choice.

Address: 3900 Newpark Mall Rd #300, Newark, CA 94560

2. Protection Corps Security Services (Trained & Vetted Professionals)

Ensuring your safety and the security of your assets is the cornerstone of Protection Corps’ operations. 

Based in Hayward, California, this company offers a robust security solution that ensures all doors, windows, and other potential entry points are securely locked and guarded, establishing a solid first line of defense​.

Their reliable lock and alarm service operates 24/7, 365 days a year, giving you peace of mind knowing your company is protected even while you sleep. 

With the support of fully-trained and stringently vetted professionals, Protection Corps ensures your business remains safe and secure​.

Catering to various locations across the Bay Area, from San Francisco to San Jose to Sacramento, Protection Corps provides a comprehensive security solution for multiple businesses​. 

You’ll be glad you hire them.

Address: 1320 Apple Ave, Suite 201, Hayward, CA 94541

3. Security Six Services (Leading Security Training Provider)

Security Six Services is a leading security training and licensing provider in Hayward, California. 

Known for their high-quality services, they specialize in various training classes, including powers to arrest, initial firearms and requalification, baton usage, and more. 

Their course offerings are dynamic, with classes like the two-day initial firearms course and the one-day guard card course that covers Weapons of Mass Destruction. 

They also offer a 32-hour security training class, meeting the requirements of Assembly Bill (AB) 2880. 

Their facilities include a range of firearm training, with options to rent guns, ammo, and accessories on-site. 

With classes starting at 10:00 AM daily, walk-ins are always welcome.

Their high standing in reviews indicates a positive career impact for 82% of students, with 93% recommending their services.

Address: 22698 Mission Blvd, Hayward, CA, at the corner of Mission Blvd and C St.

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