Top 100 Penetration Testing Services

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Top 100 Penetration Testing Services

The Best of April 2026

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Also known as ethical hacking, penetration testing deals with testing computer systems, networks, and web applications to identify security vulnerabilities. Pen testing simulates real-life security attacks to determine areas that attackers could exploit. 

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List of the Best Penetration Testing Companies

  • 541
    (4 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    2 - 9 employees

    Established in 1990, Computer Maintenance Service is a complete technology solution provider that specializes in IT managed services, IT strategy consulting, and cybersecurity. Made up of 9 employees, the team works closely with small businesses and mid-market clients across the manufacturing, dental, business services, education, and healthcare industries. Computer Maintenance Service is headquartered in Mokena, Ill.

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    Clients

    Dental Practices

    Industries

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  • 542
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    Denver, CO
    ECreek IT Solutions is an IT managed services company launched in 2004. They are headquartered in Denver, Colorado and have a small team. Their services include IT managed services, Cybersecurity, Compliance Consulting, IT strategy consulting, and more.
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    Industries

  • 543
    (1 Reviews) 5.0

    Timeliness

    4.5

    Service Excellence

    5.0

    Value

    4.5

    Would Recommend

    5.0
    $5,000+
    10 - 49 employees
    WNS Services is a small IT staff augmentation company. They offer IT staff augmentation, custom software development, cybersecurity, IT managed services, and more and were launched in 2019.
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    Industries

  • 544
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    North Sydney, Australia
    Professional Advantage is a midsize ERP consulting and SI company in North Sydney, Australia and Melbourne, Australia. Their services include ERP consulting and SI and cloud consulting & SI.
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    Industries

  • 545
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    2 - 9 employees
    VasicVault Security Solutions is a Cybersecurity company. They are based in Beograd, Serbia and have a small team. Their services include Cybersecurity, IT managed services, and Compliance Consulting.
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  • 546
    (1 Reviews) 4.5

    Timeliness

    3.5

    Service Excellence

    4.0

    Value

    4.5

    Would Recommend

    4.5
    $1,000+
    10 - 49 employees
    Product design company AAA Software Solutions was launched in 2004. The small Jamaica, New York-based team focuses on product design, IT strategy consulting, cloud consulting & SI, cybersecurity, and more.
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    Industries

  • 547
    (2 Reviews) 4.8

    Timeliness

    4.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    St. Petersburg, FL
    Established in 2015, TeraCloud, Inc. Is a cloud consulting & SI company. The small Dallas, Texas-based team specializes in cloud consulting & SI, Cybersecurity, IT managed services, IT strategy consulting, and more.
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    Industries

  • 548
    (3 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    10 - 49 employees

    RMRF is a cybersecurity firm based in Kyiv, Ukraine, and founded in 2017. Their team of 7 employees specializes in cybersecurity for small business and midmarket clients.

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    Clients

    HeadCastle
  • 549
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $25,000+
    50 - 249 employees
    San Antonio, TX

    Webhead is a custom software development firm based in San Antonio, Texas. Established in 1994, the midsize team specializes in custom software development, web development, application management & support, cloud consulting & SI, and more.

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    Industries

  • 550
    (2 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    10 - 49 employees
    Collingwood, Australia

    Toniolo is an IT consultancy founded in 2011 and based in Collingwood, Australia. With over 10 employees, they offer IT managed services, cybersecurity, and cloud consulting solutions for clients in industries such as business services, financial services, and nonprofit.

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    Clients

    World Vision Australia

    Industries

  • 551
    (2 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $10,000+
    2 - 9 employees
    Sulphur Springs, TX
    Business IT Service Corps is a cybersecurity company founded in 2021. Their small team is in Sulphur Springs, Texas. Their services include cybersecurity, IT managed services, IT strategy consulting, IT staff augmentation, and more.
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    Industries

  • 552
    (8 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    50 - 249 employees
    Dover, DE
    Hinology Technology Consulting LLC, a cloud consulting & SI company, was launched in 2023. They are located in Dover, Delaware and Doha, Qatar and have a midsize team. Their services include cloud consulting & SI, Cybersecurity, AI Consulting, IT strategy consulting, and more.
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    Industries

  • 553
    (75 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.9

    Would Recommend

    5.0
    $5,000+
    50 - 249 employees
    CloudInsta24 Services Private Limited is an IT managed services company established in 2019. Their midsize team is in Bengaluru, India; Hyderabad, India; Mumbai, India and Pune, India and provides IT managed services, IT strategy consulting, cloud consulting & SI, unified communications consulting & SI, and more.
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    Clients

    Tablespace Technologies Private Limited

    Industries

  • 554
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    250 - 999 employees
    Birmingham, England
    IT strategy consulting company Air IT Group was established in 2005. The team provides IT strategy consulting and cloud consulting & SI.
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  • 555
    (0 Reviews)

    Not yet reviewed.

    $1,000+
    2 - 9 employees
    Sydney, Australia
    Volkis, a Cybersecurity company, was established in 2019. The firm offers Cybersecurity, and is small.
    Read More

    Industries

  • 556
    (1 Reviews) 5.0

    Timeliness

    4.5

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    2 - 9 employees
    Grupo 29 SAS is an IT strategy consulting company launched in 2022. Their small team is in Bogotá, Colombia. Their services include IT strategy consulting, Cybersecurity, Marketing Strategy, Business Consulting, and more.
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    Industries

  • 557
    (2 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    2 - 9 employees
    In Austin, Texas, Integrate Cyber is a Cybersecurity company. The agency offers Cybersecurity, Application Testing, IT managed services, cloud consulting & SI, and more and is small.The agency was launched in 2023.
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    Industries

  • 558
    (2 Reviews) 4.8

    Timeliness

    4.0

    Service Excellence

    4.8

    Value

    4.3

    Would Recommend

    4.8
    $10,000+
    10 - 49 employees
    Gurugram, India

    Founded in 2011, GSV SYSTEMS LLP is a leading information and communication service provider based out of Gurgaon, India. With a team of 10, they specialize in cloud consulting & SI, IT managed services, and cybersecurity.

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  • 559
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.5

    Would Recommend

    5.0
    Undisclosed
    10 - 49 employees
    Alpharetta, GA
    Abel Solutions is an IT strategy consulting company. The small Alpharetta, Georgia-based firm was launched in 1994. Their services include IT strategy consulting, cloud consulting & SI, ERP consulting and SI, Cybersecurity, and more.
    Read More

    Industries

  • 560
    (4 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    2 - 9 employees
    Cybersecurity company Armed Owl is based in Ivano-Frankivsk, Ukraine. The small team focuses on Cybersecurity, Compliance Consulting, and IT strategy consulting. The company was launched in 2025.
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    Industries

  • 561
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    4.0

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees

    Digital Curve Consulting is a consultancy based in Sheffield, England with more than 10 experts. They have provided cloud consulting, IT strategy consulting, and cybersecurity solutions since their founding in 2020. They work with small and mid-market firms.

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    Clients

    GSA Labs, LLC

    Industries

  • 562
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    2 - 9 employees
    Based in Prague, Czech Republic and Vienna, Austria, InvraSec is a small Cybersecurity company. Their services include Cybersecurity and AI Consulting.
    Read More

    Clients

    Duomly
  • 563
    (2 Reviews) 4.5

    Timeliness

    4.3

    Service Excellence

    4.8

    Value

    4.8

    Would Recommend

    5.0
    $50,000+
    50 - 249 employees
    Lisboa, Portugal

    Edibbee is a SEO company. The small Quinta do Conde, Portugal-based firm was launched in 2014. Their team specializes in search engine optimization, IT staff augmentation, mobile app development, and e-commerce development.

    Read More

    Industries

  • 564
    (2 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $50,000+
    50 - 249 employees
    Hanoi, Vietnam
    Gtemas is a midsize big data company. Based in Hanoi, Vietnam, the company was founded in 2023. Their team focuses on BI & big data consulting & SI, Cybersecurity, AI Consulting, cloud consulting & SI, and more.
    Read More

    Industries

  • 565
    (0 Reviews)

    Not yet reviewed.

    Undisclosed
    50 - 249 employees
    Zug, Switzerland
    LUCY Security is a Cybersecurity company. Launched in 2015, the team offers Cybersecurity.
    Read More
  • 566
    (2 Reviews) 4.3

    Timeliness

    4.3

    Service Excellence

    4.3

    Value

    4.8

    Would Recommend

    4.3
    $5,000+
    10 - 49 employees
    Bytespath is an UX design agency located in Mumbai, India. The small company was launched in 2024. Their team provides UX/UI Design, Cybersecurity, Custom Software Development, Enterprise App Modernization, and more.
    Read More

    Clients

    Nexblink Solutions Nowara one

    Industries

  • 567
    (2 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    Undisclosed
    50 - 249 employees
    Fort Worth, TX
    Secutor Cybersecurity is a cybersecurity company headquartered in Fort Worth, Texas. The midsize firm was established in 2013. Their team offers cybersecurity and IT managed services.
    Read More
  • 568
    (0 Reviews)

    Not yet reviewed.

    $5,000+
    50 - 249 employees
    Little Rock, AR
    Software development company Mainstream Technologies, Inc. Offers Custom Software Development and Cybersecurity. They were founded in 1996.
    Read More

    Industries

  • 569
    (0 Reviews)

    Not yet reviewed.

    $100,000+
    250 - 999 employees
    Toronto, Canada
    Pivotree is a cloud consulting & SI company in Toronto, Canada. Their services include cloud consulting & SI and Cybersecurity.
    Read More

    Industries

  • 570
    (2 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    Undisclosed
    2 - 9 employees
    Edgewater, NJ

    Data Collaboration Services is an innovative technology solutions provider based in Edgewater, N.J. The company, founded in 2010, has a team of less than ten that provides, among others, cloud consulting & SI, IT managed services, and IT strategy consulting services to small and midmarket companies in various industries that include legal, manufacturing, and business services.

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    Clients

    Look of Love

    Industries

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