Top 100 Cybersecurity Companies in Washington DC

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Top 100 Cybersecurity Companies in Washington DC

The Best of September 2026

Looking for a top cybersecurity consultant in Washington DC?

Check out our list of the best cybersecurity consulting companies to choose a partner that can secure your company. Preventing data breaches should be the top security priority for all businesses in the digital age. 

List of the Best Washington DC Cybersecurity Consultants

  • 271
    (4 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    Undisclosed
    10 - 49 employees
    Owings Mills, MD

    Kite Technology Group is a cloud consulting & SI company. The small Owings Mills, Maryland-based firm was founded in 1992. Their services include cloud consulting & SI, IT managed services, cybersecurity, and IT strategy consulting.

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    Industries

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  • 272
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Lorton, VA
    Cyber Defense Solutions is a small Cybersecurity company in Lorton, Virginia. Their services include Cybersecurity and Custom Software Development.
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  • 273
    (7 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.8

    Value

    5.0

    Would Recommend

    4.9
    $1,000+
    10 - 49 employees
    Ashburn, VA
    YOHOsys is a Cybersecurity company. They are headquartered in Ashburn, Virginia and Surat, India and have a small team. Their services include Cybersecurity, Custom Software Development, Mobile App Development, Application Testing, and more.
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    Industries

  • 274
    (0 Reviews)

    Not yet reviewed.

    $25,000+
    50 - 249 employees
    Gaithersburg, MD
    R3-IT is an IT managed services company. Their team is headquartered in Gaithersburg, Maryland and provides IT managed services and cloud consulting & SI.
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  • 275
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    50 - 249 employees
    Baltimore, MD
    NewPush is a midsize cybersecurity company based in Baltimore, Maryland; Denver, Colorado; Vác, Hungary and Las Condes, Chile. Established in 1999, the team specializes in cybersecurity and IT managed services.
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  • 276
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Bowie, MD
    In Bowie, Maryland, OPS Tech Alliance LLC is a custom software development firm and Cybersecurity company. Founded in 2012, the team offers Custom Software Development and Cybersecurity.
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  • 277
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Reston, VA
    Intelligent Waves LLC is a Cybersecurity company. The team focuses on Cybersecurity and Custom Software Development, and the firm is headquartered in Reston, Virginia.
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  • 278
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    50 - 249 employees
    Ashburn, VA
    IT managed services company DPR Solutions Inc is located in Ashburn, Virginia. They focus on IT managed services and Cybersecurity and were launched in 2002.
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  • 279
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    Ashburn, VA
    Ocean Solutions is a Cybersecurity company. The small Ashburn, Virginia-based team focuses on Cybersecurity and IT managed services. The agency was founded in 2011.
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    Industries

  • 280
    (0 Reviews)

    Not yet reviewed.

    $10,000+
    250 - 999 employees
    Sterling, VA
    Guidance Software is a Cybersecurity company. Their midsize team is based in Pasadena, California and New York, New York. Their services include Cybersecurity and IT strategy consulting.
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    Clients

    Box

    Industries

  • 281
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Washington, DC
    IntePros Federal is an IT strategy consulting company. Launched in 2009, the team offers IT strategy consulting and Cybersecurity.
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  • 282
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Fairfax, VA
    CODE PLUS INC - Virginia is a small custom software development firm founded in 1995. Their services include Custom Software Development and BI & big data consulting & SI.
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  • 283
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    McLean, VA
    Betis Group is a software development firm. Founded in 1995, the team offers Custom Software Development and Enterprise App Modernization. The firm is located in McLean, Virginia.
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  • 284
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Washington, DC
    Corporate Portfolio Management Solutions (CPMS) is an IT strategy consulting company. Founded in 2005, the team provides IT strategy consulting and BI & big data consulting & SI.
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  • 285
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Vienna, VA
    Zentek Consulting is an IT strategy consulting company founded in 2004. The firm offers IT strategy consulting and BI & big data consulting & SI.
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  • 286
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    McLean, VA
    ICatalyst, Inc. Is a Financial Consulting company. The McLean, Virginia-based company specializes in Financial Consulting and Cybersecurity.
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  • 287
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Fairfax, VA
    HarmonyTech is a cloud consulting & SI company. Headquartered in Fairfax, Virginia, their small team offers cloud consulting & SI and CRM consulting and SI. The company was founded in 2014.
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  • 288
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Vienna, VA
    IT strategy consulting company Haynes Futures specializes in IT strategy consulting and BI & big data consulting & SI. They were launched in 2020.
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  • 289
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    McLean, VA
    Valytics LLC, an Application Testing company, was founded in 2002. They specializes in Application Testing and Robotics Process Automation.
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    Industries

  • 290
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Alexandria, VA
    Engineering, Software and Network Services (ESNS) is an Alexandria, Virginia-based software development firm. Founded in 2002, the team provides Custom Software Development and Application Testing.
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  • 291
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Vienna, VA
    IT Availability LLC is a small IT strategy consulting company. Launched in 2015, the team focuses on IT strategy consulting and BI & big data consulting & SI.
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  • 292
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    College Park, MD
    INKY Technology is a Cybersecurity and AI development company. The College Park, Maryland-based company specializes in Cybersecurity and Artificial Intelligence.
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  • 293
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    Manassas, VA
    IT managed services company First Column IT was founded in 2002. The small team specializes in IT managed services and Cybersecurity.
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  • 294
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Millersville, MD
    Atruent, a Cybersecurity company, was launched in 2009. The team offers Cybersecurity and IT managed services and is in Millersville, Maryland.
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    Industries

  • 295
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Reston, VA
    Solve Ltd. Is an IT managed services company. The team focuses on IT managed services and cloud consulting & SI, and the firm is located in Reston, Virginia.
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  • 296
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Ashburn, VA
    Cybersecurity company Secure Anchor Consulting is headquartered in Ashburn, Virginia. The team focuses on Cybersecurity.
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  • 297
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Fairfax, VA
    Tevora is a Cybersecurity and Compliance Consulting company. They were established in 2003, and their services include Cybersecurity and Compliance Consulting.
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    Industries

  • 298
    (0 Reviews)

    Not yet reviewed.

    $25,000+
    50 - 249 employees
    Hanover, MD
    INovex Information Systems, Inc. Is a midsize Hanover, Maryland-based software development firm and Cybersecurity company. Their services include Custom Software Development and Cybersecurity.
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    Clients

    U.S. Air Force

    Industries

  • 299
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    Columbia, MD
    Advantage Industries , an IT managed services company, is in Columbia, Maryland. Their services include IT managed services and IT strategy consulting.
    Read More
  • 300
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    10 - 49 employees
    Ellicott City, MD
    XPERTECHS is an IT managed services company. They are based in Ellicott City, Maryland and have small team of experts. Their services include IT managed services and IT strategy consulting.
    Read More
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