Our agency experts selected the top cybersecurity companies in Baltimore that can help protect your company’s valuable data from cyber attacks and other malicious activities. Use the cost, reviews and size filters to quickly reach the best hiring decision.

Best Baltimore Cybersecurity Firm Rankings

11 Companies - Rankings updated: June 19, 2026

Every agency on DesignRush meets evaluation criteria around expertise and client feedback to empower informed choices. Some listings include paid partnerships.

United States × Maryland × Baltimore ×
  • Securing Your Data and Business.

    Securing Your Data and Business.

    OSIbeyond has provided managed cybersecurity to nonprofits, associations, and SMBs since 2004. Its services span SIEM monitoring, dark web scanning, endpoint protection, vulnerability assessments, MFA, and CMMC Level 2 compliance.  [... see all OSIbeyond reviews ]

    Top Services:

    • Cybersecurity
    • IT Services
    • Managed Services
    Location
    Baltimore, Maryland
    Number of Employees
    Under 49
    Average Hourly Rate
    $50/hr
  • We Shape the Future of Cyberspace

    We Shape the Future of Cyberspace

    Our roots trace directly to cyber and information security and our well documented contributions are proof. Since 2001, we have been working closely with government agencies, academic and business partners to research, develop and deploy cutting-edge security offerings, while also working to influence future  [... view Assured Information Security profile ]

    Top Services:

    • Cybersecurity
    • Penetration Testing
    • HIPAA Compliance
    Location
    Baltimore, Maryland
    Number of Employees
    250 - 499
  • Tech That Works for You!

    Tech That Works for You!

    NSOCIT is a Maryland-based managed IT services provider specializing in delivering secure, scalable, and reliable technology solutions for businesses across the DC, Maryland, and Virginia regions. The company offers a comprehensive suite of services, including IT help desk support, network operations center  [... view NSOCIT profile ]

    Top Services:

    • Cybersecurity
    Location
    Baltimore, Maryland
    Number of Employees
    Under 49
    Average Hourly Rate
    $150/hr
    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
    Baltimore, Maryland
    Number of Employees
    1000 & Up
    Portfolios Count
    6 Projects Listed
  • 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
    Baltimore, Maryland
    Number of Employees
    1000 & Up
    Portfolios Count
    5 Projects Listed
  • Transforming Technology, Empowering Business.

    Transforming Technology, Empowering Business.

    We know how to simplify your IT and create scalable solutions that bring results. Our expert service teams have deep roots in diverse industries, providing us with the insights needed to understand your technical environment and unique challenges.  [... view Serigor Inc profile ]

    Top Services:

    • Cybersecurity
    • IT Services
    • Software Development
    Location
    Baltimore, Maryland
    Number of Employees
    100 - 249
    Average Hourly Rate
    $175/hr
    Minimal Budget
    $25,000 - $50,000
  • Empowering people through technology.

    Empowering people through technology.

    Integris is your technology partner: giving you peace of mind and the tools your business needs to thrive. We provide premium technology solutions for small-to-medium-sized businesses across the country. Get started with Integris today.  [... view Integris profile ]

    Top Services:

    • Cybersecurity
    • IT Services
    • Managed Services
    Location
    Baltimore, Maryland
    Number of Employees
    250 - 499
    Average Hourly Rate
    $175/hr
    Minimal Budget
    $1,000 - $10,000
  • Klik Solutions - Managed Security Service Provider

    Klik Solutions - Managed Security Service Provider

    At Klik Solutions, we are concerned about the success of your company. We begin by working closely with you from the very beginning to get an understanding of the obstacles and objectives you want to overcome. We contribute to the expansion and success of your company by using cutting-edge technology and an  [... view Klik Solutions profile ]

    Top Services:

    • Cybersecurity
    • IT Services
    • Managed Services
    Location
    Baltimore, Maryland
    Number of Employees
    50 - 99
    Minimal Budget
    $1,000 - $10,000
  • Advanced Cybersecurity solutions for businesses!

    Advanced Cybersecurity solutions for businesses!

    ARSIEM is a leading provider of advanced IT consulting solutions, catering to both private and government sectors. Our expertise lies in Enterprise and Cyber Security solutions, encompassing enterprise architecture, web and applications development, embedded software, and Cyber Security services.  [... view Arsiem profile ]

    Top Services:

    • Cybersecurity
    • IT Services
    • Software Development
    Location
    Baltimore, Maryland
    Number of Employees
    Under 49
  • Now, for tomorrow.

    Now, for tomorrow.

    Offering AgTech, Business, and IT Services. Baker Tilly Canada Cooperative is a member of the global network of Baker Tilly International Limited, the members of which are separate and independent legal entities. Baker Tilly Canada refers to the association of member firms of Baker Tilly Canada Cooperative  [... view Baker Tilly profile ]

    Top Services:

    • Cybersecurity
    • IT Services
    Location
    Baltimore, Maryland
    Number of Employees
    1000 & Up
  • IDEAS | PEOPLE | TRUST

    IDEAS | PEOPLE | TRUST

    BDO is a trusted adviser to clients seeking project management, audit, tax, and business consulting services. As one of the worlds leading audit and accounting organisations, we have clients of all types and sizes from large corporate organisations to private businesses, entrepreneurs and individuals across  [... view BDO profile ]

    Top Services:

    • Cybersecurity
    • Software Development
    Location
    Baltimore, Maryland
    Number of Employees
    Under 49

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.