Top 40 Application Security Companies in New York City

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Top 40 Application Security Companies in New York City

The Best of December 2025

Looking for a top application security company in New York City?

With their in-depth knowledge of application security principles, penetration testing techniques, and security compliance standards, application security services help businesses identify and address security vulnerabilities before malicious actors exploit them. By collaborating with application security professionals, companies can enhance the resilience of their software infrastructure, build trust with their customers, and maintain a strong security posture in today's digital age. 

List of the Best New York City Application Security Services

  • 1
    (3 Reviews) 4.3

    Timeliness

    4.3

    Service Excellence

    4.3

    Value

    4.3

    Would Recommend

    4.5
    Undisclosed
    50 - 249 employees
    New York, NY
    BreachLock Inc is an Application Testing company. Launched in 2019, the midsize agency is based in New York, New York; Amsterdam, Netherlands and London, England. Their team offers Application Testing, Cybersecurity, and DevOps Managed Services.
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    Industries

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  • 2
    (32 Reviews) 4.9

    Timeliness

    5.0

    Service Excellence

    4.9

    Value

    4.9

    Would Recommend

    4.9
    $1,000+
    50 - 249 employees
    New York, NY
    Cybersecurity company DATAMI is based in Tallinn, Estonia; New York, New York and Kyiv, Ukraine. The midsize firm was launched in 2016. Their services include Cybersecurity, Blockchain, DevOps Managed Services, IT managed services, and more.
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    Clients

    Solvd Adr0meda S-PRO

    Industries

  • 3
    (44 Reviews) 4.8

    Timeliness

    4.8

    Service Excellence

    4.8

    Value

    4.7

    Would Recommend

    4.9
    $10,000+
    50 - 249 employees
    New York, NY

    JetSoftPro is a software development agency that was founded in 2003. Based in New York, their team of 48 specializes in custom software development, IT strategy consulting, and product design. Their client base is mainly composed of midmarket companies.

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    Clients

    CreatorIQ

    Industries

  • 4
    (9 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    10 - 49 employees
    New York, NY

    Founded in 1997, Exigent Technologies is an IT managed services company. Located in Morristown, New Jersey; New York, New York; Denver, Colorado and Los Angeles, California, their small team specializes in IT managed services, Cybersecurity, IT strategy consulting, and other IT consulting and SI.

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    Clients

    Chiesa Shahinian & Giantomasi,

    Industries

  • 5
    (15 Reviews) 4.7

    Timeliness

    4.5

    Service Excellence

    4.6

    Value

    4.0

    Would Recommend

    4.7
    Undisclosed
    50 - 249 employees
    New York, NY
    In Reading, Pennsylvania; New York, New York; Fairhaven, Massachusetts and Stamford, Connecticut, Omega Systems is a midsize IT managed services company. They provide IT managed services, Cybersecurity, IT strategy consulting, cloud consulting & SI, and more and were established in 2002.
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    Industries

  • 6
    (2 Reviews) 4.8

    Timeliness

    4.8

    Service Excellence

    4.8

    Value

    5.0

    Would Recommend

    4.8
    Undisclosed
    10 - 49 employees
    New York, NY
    NopalCyber, a small Cybersecurity company, is based in New York, New York and Kothaguda, India. They specialize in Cybersecurity, cloud consulting & SI, and IT managed services and were founded in 2023.
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    Industries

  • 7
    (8 Reviews) 5.0

    Timeliness

    4.8

    Service Excellence

    4.9

    Value

    4.8

    Would Recommend

    4.8
    $1,000+
    10 - 49 employees
    New York, NY
    RCS Professional Services is an IT managed services company founded in 1999. In New York, New York and Marietta, Georgia, their small team offers IT managed services, IT strategy consulting, unified communications consulting & SI, Cybersecurity, and more.
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    Clients

    Westminster Kennel Club

    Industries

  • 8
    (12 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $10,000+
    10 - 49 employees
    New York, NY
    Velstadt is a small Cybersecurity company. Headquartered in Warszawa, Poland; New York, New York and Kyiv, Ukraine, the agency was established in 2018. Their services include Cybersecurity, IT strategy consulting, and Application Testing.
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    Clients

    Devlight Stfalcon SHL Ukraine NP Shopping

    Industries

  • 9
    (2 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.3

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    New York, NY
    LiSS Technologies is a small IT strategy consulting company. They provide IT strategy consulting, cloud consulting & SI, unified communications consulting & SI, cybersecurity, and more and were founded in 1984.
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    Industries

  • 10
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    2 - 9 employees
    New York, NY
    Based in New York, New York, Be Co is a small IT managed services company. They provide IT managed services, Cybersecurity, and IT strategy consulting and were established in 2019.
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    Industries

  • 11
    (2 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    New York, NY
    URBlink LLC is a small IT strategy consulting company headquartered in New York, New York. They provide IT strategy consulting, Cybersecurity, IT managed services, IT staff augmentation, and more and were founded in 2014.
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  • 12
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    250 - 999 employees
    New York, NY
    Cybersecurity company American Technology Services, LLC is in Fairfax, Virginia and New York, New York. They provide Cybersecurity and cloud consulting & SI and were launched in 1994.
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    Industries

  • 13
    (3 Reviews) 4.8

    Timeliness

    4.8

    Service Excellence

    4.8

    Value

    4.5

    Would Recommend

    5.0
    $10,000+
    10 - 49 employees
    New York, NY

    TEKConn is an IT consulting firm that's headquartered in New York, with another office in Stamford, Conn. Founded in 2004, they have about 20 employees that provide services for IT managed services, productivity, collaboration & UC consulting, and cloud consulting & SI services for small and midmarket businesses.

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    Industries

  • 14
    (0 Reviews)

    Not yet reviewed.

    $10,000+
    1,000 - 9,999 employees
    New York, NY
    Linux Cyber Security., a Cybersecurity company, is in Hawthorne, New York and New York, New York. They specialize in Cybersecurity and Accounting.
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  • 15
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    New York, NY
    Synergy IT Cybersecurity is a New York, New York-based Cybersecurity company. Their services include Cybersecurity.
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    Industries

  • 16
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    50 - 249 employees
    Fort Lee, NJ
    Launched in 2000, Mobilen Communications INC is a Cybersecurity company. Their team provides Cybersecurity and Mobile & App Marketing.
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  • 17
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    New York, NY
    Stratify IT is a cloud consulting & SI company established in 2002. Their services include cloud consulting & SI and Cybersecurity.
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    Industries

  • 18
    (0 Reviews)

    Not yet reviewed.

    $50,000+
    50 - 249 employees
    Great Neck Plaza, NY
    ItTrident is a midsize SEO services firm established in 2011. Their team focuses on Search Engine Optimization and UX/UI Design.
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  • 19
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    New York, NY
    Penstrike, Inc. Is a Cybersecurity company. They are based in New York, New York, and their services include Cybersecurity.
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  • 20
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    New York, NY
    Cornerstone.IT is a cloud consulting & SI company headquartered in New York, New York. Their services include cloud consulting & SI and IT managed services.
    Read More

    Industries

  • 21
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    New York, NY
    SEI, an IT strategy consulting company, was founded in 1992. The team focuses on IT strategy consulting and Business Consulting.
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    Industries

  • 22
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    New York, NY
    SecSquad is a Cybersecurity and Application Testing company. Established in 2024, the small firm is located in New York, New York. Their services include Cybersecurity and Application Testing.
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    Industries

  • 23
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    10 - 49 employees
    New York, NY
    InnerCircle Technology Advisors is an IT managed services company. The New York, New York-based firm was established in 2009. Their services include IT managed services and Cybersecurity.
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    Industries

  • 24
    (0 Reviews)

    Not yet reviewed.

    $50,000+
    10 - 49 employees
    Elizabeth, NJ
    Founded in 2025, aegisneuro is a graphic design company. The small team focuses on Graphic Design and Cybersecurity.
    Read More
  • 25
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    2 - 9 employees
    Hackensack, NJ
    CNS DATA Inc is an IT managed services company. The Hackensack, New Jersey-based team focuses on IT managed services and IT strategy consulting.
    Read More
  • 26
    (0 Reviews)

    Not yet reviewed.

    $10,000+
    10 - 49 employees
    Woodland Park, NJ
    TechFox, LLC is a Woodland Park, New Jersey-based web design company. They specialize in Web Design and Cybersecurity.
    Read More
  • 27
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    New York, NY
    Founded in 2023, Resonance Security Inc is a small New York, New York-based Cybersecurity company. Their team specializes in Cybersecurity and Blockchain.
    Read More
  • 28
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    New York, NY
    Gotham Security is a Cybersecurity company established in 2013. Their team focuses on Cybersecurity and IT managed services.
    Read More
  • 29
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    10 - 49 employees
    New York, NY
    Blinx Technology Ltd is an IT strategy consulting company. They are located in London, England and New York, New York and have small team. They focus on IT strategy consulting and IT managed services.
    Read More

    Industries

  • 30
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    New York, NY
    Digital Strategy company Incite Consulting was founded in 2021. Based in New York, New York and Holborn London, England, the team provides Digital Strategy and cloud consulting & SI.
    Read More

    Industries

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