Discover top cybersecurity companies in Ohio with DesignRush. Trusted by brands, like NHS and Abbvie, our platform connects you with experts who can protect your business. With over 40,000+ vetted agencies across 50+ categories, finding the right partner is quick and easy. Compare providers by industry expertise, client type, budget, reviews, team size, and portfolio.

Best Cleveland Cybersecurity Firm Rankings

8 Companies - Rankings updated: June 30, 2026

We evaluate every agency on DesignRush according to expertise credentials and client satisfaction ratings. Some placements are sponsored.

United States × Ohio × Cleveland ×
  • Redefining Healthcare With Digital Transformation

    Redefining Healthcare With Digital Transformation

    Cabot Solutions Inc. is a well-established company with a decade-long track record of successful projects in the United States and Canada across various industry domains, technologies, and areas of expertise.  [... see all Cabot Technology Solutions reviews ]

    Top Services:

    • Cybersecurity
    • IT Services
    • Software Development
    Location
    Cleveland, Ohio
    Number of Employees
    100 - 249
    Average Hourly Rate
    $30/hr
    Portfolios Count
    5 Projects Listed
  • Your Experts in Incident Response, Recovery & Forensics

    Your Experts in Incident Response, Recovery & Forensics

    Proven Data is your round-the-clock partner, providing unwavering support. With a trusted team specializing in cybersecurity and digital forensics, we offer reliable incident response services to consistently safeguard your valuable data and systems.  [... view Proven Data profile ]

    Top Services:

    • Cybersecurity
    • Managed Services
    • Digital Forensics
    Location
    Cleveland, Ohio
    Number of Employees
    50 - 99
    Minimal Budget
    $1,000 - $10,000
  • Collaborating for Lasting Impact in Business Consulting

    Collaborating for Lasting Impact in Business Consulting

    Join us at Deloitte, where we believe that our collective influence is the cornerstone of our value. With a rich legacy spanning over 175 years and a global network encompassing 150 countries, we empower remarkable achievements, solve complex problems, and drive meaningful progress for clients, professionals  [... view Deloitte profile ]

    Top Services:

    • Cybersecurity
    • IT Services
    • AI Development
    Location
    Cleveland, Ohio
    Number of Employees
    1000 & Up
    Portfolios Count
    6 Projects Listed
  • Delivering Unmatched Accounting Services.

    Delivering Unmatched Accounting Services.

    Forvis Mazars is a leading public accounting firm ranked among the top 10 in the nation. With a forward vision and unwavering commitment to unmatched client experiences, we redefine excellence in the industry. Formed through the merger of two esteemed firms, BKD and DHG, FORVIS combines legacy and innovation.  [... view Forvis Mazars US profile ]

    Top Services:

    • Cybersecurity
    • IT Services
    Location
    Cleveland, Ohio
    Number of Employees
    1000 & Up
  • Global Business Consulting Excellence

    Global Business Consulting Excellence

    Protiviti is a global consulting firm that offers deep expertise, objective insights, and tailored solutions to empower leaders in tackling future challenges. With a comprehensive range of services spanning finance, technology, operations, data, analytics, governance, risk, and internal audit, we serve  [... view Protiviti profile ]

    Top Services:

    • Cybersecurity
    • IT Services
    • AI Development
    Location
    Cleveland, Ohio
    Number of Employees
    1000 & Up
    Portfolios Count
    5 Projects Listed
  • Ashton Solutions; How Matters

    Ashton Solutions; How Matters

    Ashton Technology Solutions is a strategic business technology consultant and managed IT services provider serving SMBs throughout Greater Cleveland and Northeast Ohio. We don't serve technology; we serve the people who rely on it.  [... view Ashton Technology Solutions profile ]

    Top Services:

    • Cybersecurity
    • Software Development
    • Managed Services
    Location
    Cleveland, Ohio
    Number of Employees
    Under 49
    Average Hourly Rate
    $200/hr
    Minimal Budget
    $1,000 - $10,000
    Portfolios Count
    2 Projects Listed
  • Practical It Innovation

    Practical It Innovation

    ASMGi’s team is comprised of experienced engineers, project managers and entrepreneurs — all with practical business leadership.  [... view ASMGi profile ]

    Top Services:

    • Cybersecurity
    • IT Services
    • Software Development
    Location
    Cleveland, Ohio
    Number of Employees
    Under 49
    Average Hourly Rate
    $100/hr
    Minimal Budget
    $1,000 - $10,000
  • Building A Better Working World

    Building A Better Working World

    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  [... view EY profile ]

    Top Services:

    • Cybersecurity
    • IT Services
    • AI Development
    Location
    Cleveland, Ohio
    Number of Employees
    1000 & Up

About The Author and Expert Reviewer

Selina Garcia has authored 500+ articles and edited 50+ published books in economics, law, and history. Her unique blend of experiences allows her to approach content creation from a well-rounded perspective. Currently, Selina applies her expertise to producing insightful articles on IT, software, and applications for DesignRush.

Former Development Director

Sergio is a technology leader with over six years of experience managing global teams and delivering projects across fintech, sportstech, and B2B platforms. At DesignRush, he drove product growth and development execution, building tools that speed up processes by 95% and cut costs by 35% while maintaining full uptime.