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Security companies in Denver List Ranking 2023 Updated

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Security companies in Denver List Ranking 2023 Updated

1.American Hawk Security

American Hawk Security’s role is to provide the best security service and the most reasonably priced security guard services, which is about 50% off of the competitors’ price. American Hawk Security (AHS) is a licensed, insured and bonded security guard agency headquartered in Colorado with offices in Denver, Colorado Springs, Fort-Collins, and surrounding areas; we are also locally owned and operated.

Our team has over 15 years-experience in the security field, and we continue to proudly build our team every day. AHS employs ex-police officers and veterans who take up a majority of our employees. Our employee’s under-go ongoing training, background checks, criminal background records, fingerprint checks, and most of all they have a passion for customer service.


Apartment Building Security

Bodyguard Services

Clinic/Hospital Security

Construction Site Security

Event Security

Mall Security

Medical Marijuana Security

Office Security

School/Campus Security

Warehouse Security

Contact no:1 303-522-1360

Address: 4155 E Jewell Ave #1005, Denver, CO 80222, United States


2.Colorado Security Company

Colorado Security Company is a home security system installation company serving the Denver metro and surrounding front range area.  With over a decade of experience, we have the kind of expertise that helps our customers feel confident about their purchase and more importantly, safe and secure in their home.

One thing that our experience in the business has taught us is that the little details of a home security installation are so important.  We make a point to provide the most value we can at every step of the process.  Our installers are courteous and professional, and they offer a deep knowledge in all aspects of home security.


Business Security

Home Security

Contact no:+1 720-689-2234

Address: 2401 S Downing St, Denver, CO 80210, United States


3.Spear Security Denver

Spear Security Inc. is a full-service security firm providing on-site and vehicle patrol services. We also perform remote off-site security surveillance services, using the latest and best in camera and monitoring systems. Founded in 1991 in Los Angeles, California, Spear Security Denver was spun off from the LA office in February 1994. It has since become one of the industry leaders in the Denver Metropolitan Area. We are fully licensed, insured, and bonded.










Contact no:+1 303-658-9951

Address:2180 E 68th Ave, Denver, CO 80229, United States


4.True Security Inc

With safety and security concerns, choosing the wrong security company could RISK the safety of your staff, customers, visitors, and financial profits! While potentially, causing expensive attorney and lawsuit expenses, serious insurance liabilities, and damage your Company’s image for years, if the security guards actions or response to an incident is negligent. To protect your investments and personnel, choose a security company without careless officer training, poor management, or any other negative qualities. Visit our FAQ page of useful tips.

Our management group has the successful combination of highly innovative administrative structure, decades of experience to select and train our security officers going beyond industry standards, and provide ethical business practices, so you receive quality at reasonable rates! We want to provide valuable protection for your personal and benefit your business prosperity. Services

Temporary Security

Healthcare Facility Security


Coronavirus Protection

Apartment Security

Event Security

Office Security

Employee Termination Security

Armed Security

Contact no: +1 303-927-6926

Address: 999 18th St UNIT 3000, Denver, CO 80202, United States


5.Securitas Security Services USA

Securitas offers a wide range of security solutions that can add significant value to businesses. Utilizing the Six Pillars of Protective Services, we can help secure your facility, employees and assets.

With branch locations throughout the United States, Securitas is the most locally-focused security company in the country. We have approximately 570 district managers and 90,000 security officers who provide unmatched security solutions to meet the needs of thousands of organizations.


On-site Guarding


Forecasted Security

Access Control Solutions

Vaccine Supply Chain Solutions

Mobile Guarding

Mobile Patrol Services

On-Demand Response Services

Technology-based Services

Corporate Social Responsibility & Sustainable Delivery

Contact no:+1 303-751-1000

Address:10065 E Hampden Ave #250, Denver, CO 80231, United States


6.Close Contact Security Services

Since our founding, Close Contact Security has been known for quality services, exceptional efficiency and the highest level of professionalism. No matter what service you’re looking for, we guarantee to not only meet, but exceed your expectations and ensure your full satisfaction.

Our team is up for every job, managing projects with the skill and experience our clients have come to expect. We offer many Security Guard Services in the Denver area


Event Security Service

Uniformed Security

Patrol Service

Contact no: +1 303-317-3322

Address:2833 S Colorado Blvd, Denver, CO 80222, United States


7.Twin City Security -Denver

 The Denver branch of Twin City Security is locally owned and managed. The first Twin City Security opened in Minnesota in 1974. The owners created a winning formula for offering superior security guard services and flexible client options.

The first Twin City Security branch owners decided to offer their plan for success to security guard companies in other locations. They provided their support but maintained their commitment to flexible contracts. Twin City Security has a reputation for taking excellent care of their clients, so even as owners opened branches in different locations, they kept the name Twin City Security.


Security Guards

Private Security

Armed Security

Unarmed Security

Concierge Security

Commercial Security Services

Construction Security

Dispensary Security Guard

Fire Watch Services

Contact no:+1 303-574-0000

Address:1660 S Albion St #400, Denver, CO 80222, United States


8.Champion National Security

Allied Universal®, a leading security and facility services company with more than 265,000 employees and revenues exceeding $9.5 billion, provides unparalleled security services and technology solutions. With offices located throughout the nation as well as internationally (Canada, Mexico, United Kingdom), Allied Universal is responsible for protecting more than 50,000 client sites.

Our clients benefit from customized solutions rooted in more than 60 years of deep industry experience and expertise. We specialize in providing comprehensive security services and systems in a wide variety of markets and industries.

Allied Universal’s vast array of services allows our clients to focus on their core business.


Security Services

Technology Services

Professional Services

Contact no: +1 972-235-8844

Address:1055 19th St, Denver, CO 80202, United States


9.Advanced Professional Security

With over 12 years of professional experience, our management team understands that no two clients are the same. This is why we offer personalized, accessible, and hands-on service. Your individual security needs are personal and we will meet with you to develop a unique security plan that fits your needs, no matter how big or small.  

We employ hundreds of quality security professionals. No matter what the task, our dedication to customer service, professionalism, and leadership makes us a top security contractor.



Why Choose APS


Unarmed / Armed Agents

Vehicle Patrols

Fire Watch Agents

Access Control

Risk Management

Security Systems Integration

Contact no:+1 303-371-7873

Address:6767 E 39th Ave #203, Denver, CO 80207, United States


10.Denver Metro Protective Services

People in the Denver Metro area are proud of our cities.  We enjoy the beautiful Rocky Mountain views, the fresh air, and the modern and progressive nature of our city.  We take much pride in our independent natures, while being a leader for our region in much more than just our economy.

Unfortunately, many in the security industry have not been as progressive in nature over time.  At Denver Metro Protective Services, we believe that our profession has lacked the same uniqueness and forward-thinking that we in Colorado are known for.  We also believe, however, that our industry is not hopeless.


Contact / News


On-Site Security

Patrol Services

Alarm Response Services

Loss Prevention

Event Staffing

Corporate Security

Healthcare Security

Government Services

VIP Protective Services

Investigation Services

Contact no:+1 720-505-2000

Address: 2121 S Blackhawk St Ste 230, Aurora, CO 80014, United States


Tajinder Singh

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