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Top Cybersecurity Companies in Chicago, IL

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Looking for the best cybersecurity company in Chicago? UpCity compiles authentic reviews, company descriptions, project examples, and more into a list for you to review. Feel confident you're finding the top provider for your business.

UpCity offers objective, independent research and verified user reviews. We earn compensation from some providers who sign up for sponsored profiles. Learn more about our trusted providers.

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Provider's minimum per-project cost
Provider's minimum retainer cost
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Businesses provider works with
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24 Provider(s)Last Updated: October 28, 2025
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CloudMasonry

Chicago, IL, US + 8 More Locations
4.9 | 12 reviews
Last reviewed on 10/29/2020
CloudMasonry is a top-rated Salesforce consulting partner with 4.9 CSAT and 85% client retention. Serving the US and UK, we deliver end-to-end expertise across all Salesforce clouds to help enterprises maximize their Salesforce investment.
Businesses provider works with
Works with
Small, Medium, Enterprise
Provider's minimum per-project cost
Per-project minimum
$10,000 or more
Provider updated information on 9/10/2025
Services Offered
Managed Service ProvidersIT ServicesSystem IntegrationCybersecurityAmazon Web Services (AWS)View All Services (8)
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Zazz

Chicago, IL, US + 1 More Location
5.0 | 1 review
Last reviewed on 9/8/2025
Zazz is a trusted software engineering and IT services partner helping enterprises deliver secure, scalable, and high-impact technology initiatives. We Solve complex enterprise challenges - legacy bottlenecks, technical debt, talent shortages, compliance risks, and system fragmentation.
Businesses provider works with
Works with
Small, Medium, Enterprise
Provider's minimum per-project cost
Per-project minimum
$25,000 or more
Provider's minimum retainer cost
Retainer minimum
$5,000 or more, monthly
Provider updated information on 9/8/2025
Services Offered
Enterprise Resource Planning (ERP)Big Data & Business IntelligenceManaged Service ProvidersIT ServicesSystem IntegrationView All Services (32)
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Dedicated Developers

Chicago, IL, US + 5 More Locations
5.0 | 39 reviews
Last reviewed on 7/10/2025
App business obsessed since 2007. We don't just build apps—we build successful app businesses. 300+ success stories.
Businesses provider works with
Works with
Medium, Enterprise
Provider's minimum per-project cost
Per-project minimum
$10,000 or more
Provider's minimum retainer cost
Retainer minimum
$2,000 or more, monthly
Provider updated information on 5/26/2025
Services Offered
Enterprise Resource Planning (ERP)Big Data & Business IntelligenceSystem IntegrationCybersecurityRuby on Rails DevelopmentView All Services (46)
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Reboot, Inc.

Chicago, IL, US See Location
5.0 | 3 reviews
Last reviewed on 7/9/2025
Reboot, Inc. delivers managed and co-managed IT, cybersecurity, cloud, and compliance solutions, helping businesses simplify technology, safeguard operations, and accelerate growth with confidence.
Businesses provider works with
Works with
Small, Medium
Provider's minimum per-project cost
Per-project minimum
$5,000 or more
Provider's minimum retainer cost
Retainer minimum
$2,000 or more, monthly
Provider updated information on 10/2/2025
Services Offered
Managed Service ProvidersIT ServicesCybersecuritySystem IntegrationEnterprise Resource Planning (ERP)
Who We Are
Chief Information Officer
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GO Technology Group

Chicago, IL, US See Location
4.9 | 7 reviews
Last reviewed on 2/23/2024
IT Outsourcing Whether you have a small in-house staff or none at all, we will manage your technology with a support response time of 15 minutes.
Businesses provider works with
Works with
Small, Medium
Provider's minimum per-project cost
Per-project minimum
$2,500 or more
Provider's minimum retainer cost
Retainer minimum
$1,500 or more, monthly
Provider updated information on 5/13/2024
Services Offered
Managed Service ProvidersIT ServicesCybersecuritySystem Integration
2022 Study: 50% of SMBs Have a Cybersecurity Plan in Place | UpCity

This UpCity study presents insight from 600 U.S. small business owners and IT experts on their latest cybersecurity practices, data breach prevention, and disaster recovery measures in 2022.

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TDI Networks Inc. is a IT Manage Service Provider. We offer IT Managed Services for Healthcare and Medical practices. We have been providing IT Manage Services for over 18 years. Understanding Cybersecurity is a moving target and constantly making adjustments in order to protect our Customers.
Businesses provider works with
Works with
Small
Provider's minimum per-project cost
Per-project minimum
$10,000 or more
Provider's minimum retainer cost
Retainer minimum
$1,500 or more, monthly
Provider updated information on 10/28/2022
Services Offered
Managed Service ProvidersIT ServicesCybersecuritySystem IntegrationCloud Consulting
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LME Services

Chicago, IL, US See Location
5.0 | 10 reviews
Last reviewed on 7/25/2023
Family-managed I.T. & Cybersecurity Services since 1994
Businesses provider works with
Works with
Small
Provider's minimum per-project cost
Per-project minimum
$2,500 or more
Provider's minimum retainer cost
Retainer minimum
$1,500 or more, monthly
Provider updated information on 9/27/2024
Services Offered
Managed Service ProvidersIT ServicesCybersecurityCloud Consulting
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Zadro Web

Chicago, IL, US See Location
5.0 | 14 reviews
Last reviewed on 6/4/2025
Offering innovative web-solutions for businesses of all sizes, by providing cutting-edge web development, technical SEO, and cloud services.
Businesses provider works with
Works with
Small, Medium, Enterprise
Provider's minimum per-project cost
Per-project minimum
$10,000 or more
Provider's minimum retainer cost
Retainer minimum
$2,000 or more, monthly
Provider updated information on 11/30/2022
Services Offered
Managed Service ProvidersIT ServicesCybersecurityAmazon Web Services (AWS)WordPress DevelopmentView All Services (12)
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Realnets

Chicago, IL, US See Location
5.0 | 1 review
Last reviewed on 2/7/2021
Connecting businesses with the right technology for over 24 years. We've been Chicagoland's trusted partner providing tech support, cloud services, networking, data protection, & cybersecurity for a single, predictable price.
Businesses provider works with
Works with
Small, Medium
Provider updated information on 2/13/2023
Services Offered
Cybersecurity
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cloudEQ

Chicago, IL, US See Location
5.0 | 1 review
Last reviewed on 9/18/2023
We embody the Emotional Quotient (EQ) emotional intelligence needed for a strong rapport and partnership by truly caring about our clients and their business like no other.
Businesses provider works with
Works with
Enterprise
Provider updated information on 4/19/2024
Services Offered
Managed Service ProvidersIT ServicesCybersecuritySystem IntegrationCloud ConsultingView All Services (7)

Elijah

Chicago, IL, US See Location
ELIJAH has become a leading provider in digital forensics, electronic discovery, cybersecurity, and information technology services. Digital forensics and electronic discovery comprise 90% of our business, with our primary market being law firms and corporate legal departments.
Businesses provider works with
Works with
Medium
Provider updated information on 11/18/2022
Services Offered
Cybersecurity
Ascend Technologies is a far cry from your run-of-the-mill MSP/MSSP. Our information technology professionals help business leaders make confident IT investments, eliminate cyber threats, meet business needs, and optimize user productivity — making technology the catalyst for business expansion.
Businesses provider works with
Works with
Small, Medium, Enterprise
Provider's minimum per-project cost
Per-project minimum
$10,000 or more
Provider's minimum retainer cost
Retainer minimum
$2,000 or more, monthly
Provider updated information on 8/8/2023
Services Offered
Managed Service ProvidersCybersecurityCloud Consulting

Simply iCard Consulting Inc.

Chicago, IL, US See Location
5.0 | 1 review
Last reviewed on 2/8/2024
As an IT consulting firm, we offer a comprehensive suite of managed services to ensure that our clients have the support they need to run their businesses effectively. No need to hire an IT specialist or to build an IT department from the ground-up, Simply iCard Consulting has got you covered.
Businesses provider works with
Works with
Small, Medium
Provider's minimum retainer cost
Retainer minimum
$500 or more, monthly
Provider updated information on 1/26/2024
Services Offered
Managed Service ProvidersIT ServicesCybersecurityMobile App DevelopmentUX DesignView All Services (7)
We Help Companies Decrease Tech Problems and Boost Productivity Through our IT-Boost Platform!!
Businesses provider works with
Works with
Small, Medium, Enterprise
Provider's minimum per-project cost
Per-project minimum
$10,000 or more
Provider's minimum retainer cost
Retainer minimum
Less than $500, monthly
Provider updated information on 5/26/2020
Services Offered
IT ServicesCybersecurity
Middleground is a technology consulting and services company dedicated to helping businesses get rid of technology frustrations. Our superior customer service, unmatched attention to detail, and technical consulting skills are the driver for business growth.
Businesses provider works with
Works with
Small, Medium, Enterprise
Provider's minimum per-project cost
Per-project minimum
$5,000 or more
Provider's minimum retainer cost
Retainer minimum
$2,000 or more, monthly
Provider updated information on 7/1/2020
Services Offered
Managed Service ProvidersIT ServicesCybersecurity
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