A veteran-owned company, Cascadia sets the standard for the security industry. From training to customer service, we are truly committed to exceeding your highest expectations. We are the #1 provider of security guard services in Algonquin, IL.

Armed & Unarmed Guards 

Off-Duty Law Enforcement

Serving Clients throughout McHenry & Kane Counties

The Cascadia Way


  • Lowest Turnover Rate in the Industry
  • Lowest Vacancy Rate in the Industry
  • Local Management Teams
  • Dedicated Account Managers
  • 24/7 National Support Center
  • Exclusive Patrol Vehicles
  • Specialized & Trained Officers
  • Dedicated Account Managers
  • Skilled Veteran & LEO Personnel
  • Flexible Contract Terms
  • Emergency & Rapid Response
  • 100% GPS Personnel Tracking
  • 100% Paid Training & Licensing
  • Instant-Pay Options for Guards & Officers


Our experience in every arena of physical security including lobby/reception, force protection, camera and alarm systems, patrol response, and off-duty services gives CGS the ability to tailor specific solutions to match your Algonquin security company needs. We pride ourselves on our ability to hire local and work as a part of the Algonquin community.

We are big enough to do the job, but small enough to care about you.

Comprehensive Services

Unarmed Guards protect and monitor their assigned Algonquin, IL site for illegal, suspicious, or dangerous situations, without carrying a weapon.

Armed Guards monitor your Algonquin Area site for illegal, suspicious, or dangerous situations while carrying a weapon as an additional layer of protection.

Mobile patrols stop at your Algonquin location 1-5x per night to inspect for trespassers, break-ins, or other emergencies, and establish a security presence.

Complete security for 4 hours or every day with highly trained, licensed, insured, and local off-duty law enforcement personnel.


For employee terminations, break-ins, recent crime, or firewatch services needing immediate Algonquin, IL security personnel on a short term basis.

Why Choose Cascadia

Cascadia Global Security has kept Algonquin businesses safe and secure since 2018. If you are looking for a Algonquin security company that is dedicated to customer service, professionalism, and care, then choose the #1 security guard service company in Illinois!


A traditional estimate can take days. But time is money and we are not in the mood to waste it. With just a call (or filling out our quote form) you can have a quote in minutes and a guard or officer on site in a few hours. The safety and security of your assets and employees are the most important thing to us.


Let Cascadia keep you secure today!

  • Experts on Standby: Our award-winning staff and expert guards are what keep us as the top of the Illinois security industry. Cascadia's extensive screening and training processes ensure we hire only the best, and our continual training makes our guards as focused and professional as possible.
  • Groundbreaking Technology: We might have an old-school work ethic, but we maintain new-school technology. From the time you call until your last invoice, we have a paperless process, GPS/NFC-based guard tracking, and more!
  • National Presence: If you are looking for solely local protection or a nationwide partner, Cascadia is the #1 security company in the country to keep you secure.

The Cascadia Values

  • Being Customer-Centric

    Our customers are our lifeblood. Our goal every day is to ensure their businesses and homes are happy, thriving, and successful.

  • Creating the Highest Standard

    Through integrity and personal responsibility, every CGS team member does more than meet the standard; they set the standard.

  • Finding a Better Way

    As a growth-oriented company, we are accustomed to flexibility. We are devoted to finding the best way forward in everything we do. We encourage our teams to bring ideas to change the industry for the better.

  • Growing Together

    Everyone has equal access to training and development opportunities. Everyone is respected. Everyone has a voice. 

Audere est Facere

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What Our Illinois Clients Say

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"We have been using Cascadia Global Security for over a year now across multiple sites. They provide excellent guard services for our company and do an outstanding job. We will continue to use their services. Easy to work with and highly recommend!"

Jeffrey

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"I don't know how it's possible, but their management is very kind, professional, and down to earth. Every security guard that I've met with the company is the same way. They set a new standard for being a trustworthy professional and actually make this a better place to live"

Fred

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"What stood out most was their commitment to customer service, no matter the branch office. The guards were always approachable and courteous, and we received numerous compliments on their professionalism and friendly demeanor."

Melissa

Illinois Security Company FAQs

  • What security guard services do you offer?

    We offer a variety of security guard services in Algonquin, IL, such as armed and unarmed officers, event security, mobile patrols, off-duty police officers, and executive protection. Our solutions are designed to meet the specific security needs of businesses, residential communities, government organizations, and events in Illinois.


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  • How do you maintain the quality of your security guards?

    All our security guards in Algonquin, IL go through comprehensive background checks, receive thorough training, and hold the necessary licenses. We emphasize professionalism and dependability to ensure our team is well-equipped to address the unique security challenges in Illinois. 


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  • For which industries do you provide security services?

    We serve a diverse range of industries in Algonquin, IL, including retail, corporate offices, construction, healthcare, hospitality, and residential sectors. Each industry has distinct security needs, and we tailor our services to fit those requirements. 


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  • Do you offer round-the-clock security guard services?

    Yes, we do! Cascadia offers 24/7 security guard services throughout Illinois. Our team is always on standby, ready to deploy guards, supervisors, and dispatch personnel to handle any situation at any time of the day or night. 


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  • How fast can your security guards respond to incidents?

    Our security personnel are strategically stationed across Illinois, ensuring quick response times. We have a dedicated dispatch team available 24/7, guaranteeing swift deployment, especially for emergencies or urgent situations. 


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  • Can your security services be customized?

    Yes, they can! We recognize that every client’s needs are unique, so our security services in Illinois are fully customizable. We collaborate with clients to create tailored security strategies and plans, whether for highly visible patrols or discreet executive protection. 


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  • What is the cost of security guard services?

    The cost of security services in Illinois depends on factors like the type of service, the length of coverage, and the level of risk involved. We offer competitive pricing and are happy to provide a personalized quote that fits both your needs and budget. 


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  • How can I get started with your security services?

    Getting started is simple! Just reach out to us via our website or call our local Illinois offices at 800-939-1549 to discuss your security requirements. We'll work with you to create a custom security plan and provide a comprehensive proposal. 


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Need a National Solution?

Whether you have locations across the country or need a security company local to Algonquin, we can manage the security services you need. There are Cascadia offices across the country. Call us today to speak to a representative about our National Business Development Program.

The Top Security Company in Algonquin, IL

Call us, stop by, or get a quote!

South Carolina Branch Office

6650 Rivers Avenue

North Charleston, SC 29406

License: 4007

Cascadia Global Security, Inc. is a veteran-owned security company based in Seattle, WA and San Antonio, TX offering services across the country. Our experience working at client facilities on a national, regional, and local basis is unparalleled by any other company in the industry. Our love for our work and care for our clients is demonstrated by our #54 rank on the Inc. 5000 list of fastest-growing companies. We service clients both large and small across the United States, providing security for sites from retail stores to sensitive government buildings.