We ranked the top cybersecurity companies in Chicago that help organizations protect their digital systems and keep data safe from potential breaches. Choose the best provider for your business needs and budget based on past projects, user reviews, team size, hourly rates and more.
Organic rankings are determined by five factors: top services, reviews, portfolio, awards/press, and team expertise. Sponsored listings pay for a placement that appears above organic positions. Sponsorship does not affect star ratings or review content - read more on our methodology page.
Zazz covers the full cybersecurity stack, from penetration testing and Zero Trust architecture to 24/7 SOC monitoring and incident response. Delivering 100+ security audits, the cybersecurity company offers technical depth and audit-ready compliance to its clients...
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ELEKS, a trusted partner for guaranteed software engineering excellence, quality, and transparency.
ELEKS, a trusted partner for guaranteed software engineering excellence, quality, and transparency.
ELEKS runs a six-stage security process from discovery to managed services, spanning penetration testing, threat hunting, and compliance. With its proprietary HITRUST-certified eCAP platform, the cybersecurity company offers expertise in complex regulatory environments...
Turning Digital Ideas into Powerful & Lucrative Realities
Turning Digital Ideas into Powerful & Lucrative Realities
WEZOM brings 26 years of cybersecurity experience, covering penetration testing, vCISO, EDR, and compliance support. Having 250+ long-term clients, including Metinvest and Aptiv, the cybersecurity company is best for enterprises in logistics, healthcare, and fintech seeking a proven security partner...
Solving complex problems with design and technology since 2005.
Solving complex problems with design and technology since 2005.
Accredited by NCSC and CREST, Infinum offers end-to-end security, including penetration testing, red teaming, and GRC. It is led by a team of 390+ consultants who hold CISSP, OSCP, and CHECK certifications and hands-on experience in banking, healthcare, and national defense...
Ntiva is a CMMC Level 2 certified managed security provider with in-house CISSPs, CEHs, and GIAC professionals covering 24/7 SOC monitoring, EDR, vCISO, dark web scanning, and compliance solutions. Trusted by government contractors, healthcare, and financial services organizations across the US...
Award-Winning Technology Consulting Firm in Chicago
Award-Winning Technology Consulting Firm in Chicago
We are dedicated to helping your business grow through technology and talent. No matter what challenges your team faces, our team of experts is ready to engage and provide executive level support to help guide you through the complex landscape of the IT marketplace...
Reintivity Technology Solutions helps organizations with 5 to 100 employees streamline operations through modern, secure, and efficient technology. Serving the Greater Chicago Area, we simplify complex workflows, improve productivity, and deliver technology projects and consulting, ongoing IT management and...
Managed IT and cybersecurity provider delivering 80-second average response times, 6-minute average resolution times, 100% U.S.-based support, and 97.5% customer satisfaction to help businesses reduce downtime, improve productivity, and operate securely...
Excellence Unleashed: Offshore Development at its Finest
Excellence Unleashed: Offshore Development at its Finest
Leo Technosoft (LTS), the top offshore development firm, offers affordable, scalable, and flexible IT services. With over 14 years of industry expertise, LTS excels in Product Development, Mobility, Solution Engineering, IoT, and Business Intelligence services. Through the LTS Accelerator model, we support...
Star Knowledge is a globally recognized bespoke software development company with 10 years of experience across mobile, performance testing, web and cloud technologies, and manage IT services, We're a Microsoft Gold Partner widely preferred for complex to simple cloud computing & cloud migration services...
Protek-IT assists Chicago-based companies and nonprofit organizations in managing their information technology infrastructures, enhancing processes, making effective use of technology, and relieving the burden of management and ownership. Businesses who want to stay one step ahead of their rivals and...
Empist offers managed IT and cloud solutions with nearly two decades of expertise. Our full-service approach includes robust IT services, comprehensive cloud services, and exceptional web and app development...
Transparent Cloud Consulting, Clear Solutions for Your Journey Ahead
Transparent Cloud Consulting, Clear Solutions for Your Journey Ahead
Mindsight is committed to transparent Cloud Consulting solutions. We align with your values and vision, ensuring clarity in what we can and can't do. Driven by technology, transparency, and trust, we offer a unique approach to Cloud Consulting, free from marketing gimmicks and focused on genuine partnership...
Small Business Accounting, Technology, & Growth Consulting.
Small Business Accounting, Technology, & Growth Consulting.
Fred Lundin CPA LLC is a Chicago-based CPA accounting and technology consulting firm specializing in serving e-commerce, solopreneurs, and small business owners. With a dedicated focus on these sectors, we provide tailored financial and technological solutions to help our clients thrive in their respective...
Our software development leadership team has an extensive track record of bringing ideas to market. Our current projects cover a wide variety of use cases and industries — including international food services, legal services, logistics, financial services, and blockchain solutions...
We've been Chicagoland's trusted partner providing tech support, cloud services, integrated property technologies, networking, data protection, & cybersecurity for a single, predictable price...
Preparing your business for tomorrow by understanding your business today.
Preparing your business for tomorrow by understanding your business today.
We empower small and medium-sized businesses to make the very most of the technology they have, helping them to drive greater productivity and efficiency, while reducing costs...
Boost Your ASP.NET Aspirations with Integrative Systems
Boost Your ASP.NET Aspirations with Integrative Systems
Integrative Systems, your ultimate ASP.NET Development Partner, has over 20 years of global excellence. Our expertise extends to AS400/iSeries support, IBMi development, ASP.NET services, custom software solutions, and JDA support...
IT Risk Managers LLC is an IT Support Company that provides Network Support, Network Help Desk, Cloud Services, Cloud Backup, and Network Consulting...
XL.net, an IT services company based in Chicago, IL, specializes in tailored solutions for small and medium-sized businesses. With a focus on understanding unique business needs, XL.net aligns IT strategies with client objectives. Its approach involves thorough investigations, strategic planning, and ongoing...
Success is not final; failure is not fatal: it is the courage to continue that counts.
Success is not final; failure is not fatal: it is the courage to continue that counts.
With 10+ years of hands-on experience, we have been recognized by our cliets for delivering excellence, offering business-specific cloud solutions to drive maximum impact at minimum cost...
Digital transformation I Custom Software development
Digital transformation I Custom Software development
Our team helps companies and non-technical entrepreneurs solve their tech challenges, from IT advisory, tech products development to digital transformation, workflow/workforce management tools...
Ascend Technologies provides a comprehensive range of managed IT services, catering to business leaders spanning various industries. Our services are designed to optimize the visibility and utilization of deployed infrastructure and applications and ensure seamless day-to-day operations...
Advanced I.T. is a Chicago-based Managed IT and Cybersecurity provider specializing in fast, secure, and compliant tech solutions for service-driven businesses. We support CPAs, law firms, healthcare providers, and brokers with local expertise, same-day responsiveness, and zero excuses. From ransomware...
Framework IT is a managed IT services provider specializing in support, strategy, and security for companies who want to form an agile IT environment. Using our data-driven methodology, The Evolution Framework, we build you a strategy tailored to your unique needs to improve productivity and incentivize...
Atos is a global IT services and consulting firm providing end-to-end data engineering, data-platform modernization, analytics/BI, AI/ML and cloud-native data services helping enterprises transform raw data into insight and drive digital transformation...
Global Company Specializing in Tech-Enabled Professional Services
Global Company Specializing in Tech-Enabled Professional Services
Sikich is a global company specializing in technology-enabled professional services. Now with more than 1,900 employees, it draws on a diverse portfolio of technology solutions to deliver transformative digital strategies and ranks as one of the largest CPA firms in the United States...
EY offers Accounting, Business Consulting, and IT Services with a mission to build a better working world. It provides insights and quality services that instill trust in global capital markets and economies. EY focuses on developing exceptional leaders who deliver on their commitments to all stakeholders...
We value our team as our greatest asset and we ensure everyone is respected, recognized.
We value our team as our greatest asset and we ensure everyone is respected, recognized.
At 10Pearls, we have an inclusive and collaborative work culture that inspires innovation, drives excellence, and unlocks a team member’s true potential through focused development, shared mission and a sense of community. We value our team as our greatest asset and we ensure everyone is respected...
With 20+ years of experience, Atvantiq has been a trusted leader in delivering innovative solutions across mobile and web application development, UI/UX Design, full-stack systems, Telecom, AI/ML, Gen AI, blockchain and crypto platforms, as well as DevOps and security-focused architectures...
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