Top 100 Software Testing Companies in the United States

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Top 100 Software Testing Companies in the United States

The Best of June 2025

Looking for a top software QA company in the United States?

Hiring a software testing company is a necessity to both test and improve the services your company offers, especially in an increasingly digital world.

To assist you in your search for a partner, we’ve compiled this list of the top software testing companies in United States. 

Jump to Most Reviewed Companies

List of the Best United States Software QA Companies

  • 1
    (48 Reviews) 4.8

    Timeliness

    4.9

    Service Excellence

    4.8

    Value

    4.7

    Would Recommend

    4.8
    $5,000+
    50 - 249 employees
    Seattle, WA

    QA Wolf, an application testing company, was launched in 2019. The company provides application testing and has a small team.

    Read More

    Industries

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  • 2
    (30 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.8

    Value

    4.6

    Would Recommend

    4.9
    $5,000+
    50 - 249 employees
    Boise, ID
    QualityLogic is an Application Testing company launched in 1986. In Boise, Idaho; Simi Valley, California and Oklahoma City, Oklahoma, their midsize team focuses on Application Testing.
    Read More

    Clients

    Disney

    Industries

  • 3
    (6 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    4.9

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    250 - 999 employees
    Mountain View, CA

    PFLB specializes in performance testing services. We help companies find and resolve performance bottlenecks such as ill-performing API calls or slow database queries.

    Clients choose us for their performance testing needs across various technologies, including web and mobile applications, core banking systems, SAP, IVR, and legacy software.

    We provide support for JMeter and LoadRunner environments, offering a comprehensive range of solutions. Additionally, our load testing platform, PFLB, empowers companies to conduct efficient and scalable performance tests.

    With over 15 years of industry experience, PFLB has established a strong reputation for delivering reliable performance testing solutions globally.

    For more information, visit our website at pflb.us. We'd love to discuss how we can optimize your software's performance.

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    Clients

    Samsung

    Industries

  • 4
    (7 Reviews) 4.9

    Timeliness

    4.6

    Service Excellence

    4.8

    Value

    4.9

    Would Recommend

    4.9
    $1,000+
    250 - 999 employees
    New York, NY
    QA Mentor, Inc. Is a midsize Application Testing company. The New York, New York-based agency was founded in 2010. Their team provides Application Testing.
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    Clients

    HSBC

    Industries

  • 5
    (5 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    50 - 249 employees
    Boise, ID

    Mindful QA is a midsize Los Angeles, California-based application testing company. They specialize in application testing and were launched in 2018.

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    Industries

  • 6
    (15 Reviews) 4.5

    Timeliness

    4.6

    Service Excellence

    4.3

    Value

    4.1

    Would Recommend

    4.4
    $5,000+
    10 - 49 employees
    Boulder, CO

    Established in 2009, OnPath Testing is an Application Testing company. They are headquartered in Boulder, Colorado and have a small team. The company focuses on Application Testing, Application Management & Support, and DevOps Managed Services.

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    Clients

    Leesa Sleep

    Industries

  • 7
    (3 Reviews) 5.0

    Timeliness

    4.8

    Service Excellence

    5.0

    Value

    4.7

    Would Recommend

    5.0
    $1,000+
    50 - 249 employees
    Aurora, CO

    iBeta Quality Assurance is a software testing company in Aurora, Colorado. Founded in 1999, they have about 90 employees and provide application testing services.

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    Clients

    Hasbro

    Industries

  • 8
    (61 Reviews) 4.9

    Timeliness

    4.7

    Service Excellence

    4.8

    Value

    4.6

    Would Recommend

    4.9
    $50,000+
    1,000 - 9,999 employees
    San Francisco, CA
    BairesDev is a software development company. They focus on Custom Software Development, Web Development, Mobile App Development, Artificial Intelligence, and more and were established in 2009. Their large team is San Francisco, California-based.
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    Clients

    Google

    Industries

  • 9
    (3 Reviews) 5.0

    Timeliness

    3.3

    Service Excellence

    5.0

    Value

    4.3

    Would Recommend

    5.0
    $250,000+
    250 - 999 employees
    Austin, TX

    Growth Acceleration Partners is a midsize custom software development company. Launched in 2007, the team specializes in custom software development, application testing, BI & big data consulting & SI, ux/ui design, and more. The firm is headquartered in Austin, Texas.

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    Industries

  • 10
    (31 Reviews) 4.9

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    4.8

    Would Recommend

    5.0
    $50,000+
    1,000 - 9,999 employees
    Plano, TX
    Arbisoft, a software development firm, was established in 2007. Their large team is located in Plano, Texas; Berlin, Germany; Lahore, Pakistan and Islamabad, Pakistan. The firm offers Custom Software Development, Mobile App Development, Web Development, IT managed services, and more.
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    Clients

    2U (edX) KAYAK Maiden Century Boston Venture Studios

    Industries

  • 11
    (20 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $10,000+
    50 - 249 employees
    Lakewood, CO
    Valor Software is a Lakewood, Colorado-based web design agency. The midsize agency was established in 2013. Their team specializes in Web Design, UX/UI Design, IT strategy consulting, IT staff augmentation, and more.
    Read More

    Clients

    Breethe

    Industries

  • 12
    (20 Reviews) 4.7

    Timeliness

    4.7

    Service Excellence

    4.6

    Value

    4.5

    Would Recommend

    4.3
    $5,000+
    250 - 999 employees
    New York, NY

    Clarion Technologies is headquartered in Pune, India. The team has satellite offices stateside in New York as well as in Ahmedabad and Bangalore, India. Founded in 2000, Clarion's team of 500+ employees offers custom software development, web development, CRM consulting & SI, and cloud consulting services. Their client base primarily features small and midmarket businesses.

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    Clients

    GoldenComm​

    Industries

  • 13
    (6 Reviews) 5.0

    Timeliness

    4.8

    Service Excellence

    4.8

    Value

    4.4

    Would Recommend

    4.9
    $100,000+
    1,000 - 9,999 employees
    Houston, TX
    Founded in 2001, Jalasoft is a large IT staff augmentation company. Their team provides IT staff augmentation, Custom Software Development, Web Development, Mobile App Development, and more. The firm is located in Cochabamba, Bolivia; Houston, Texas; Envigado, Colombia and La Paz, Bolivia.
    Read More

    Industries

  • 14
    (3 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $10,000+
    50 - 249 employees
    Chicago, IL
    Mojo Trek is an IT staff augmentation company. Founded in 2017, the team focuses on IT staff augmentation, Custom Software Development, IT managed services, Application Testing, and more. Their midsize company is Chicago, Illinois-based.
    Read More

    Clients

    Fortune 100 QSR Company Fortune 500 QSR Company AlphaBot

    Industries

  • 15
    (17 Reviews) 4.9

    Timeliness

    4.6

    Service Excellence

    4.9

    Value

    4.9

    Would Recommend

    4.8
    $5,000+
    50 - 249 employees
    Austin, TX
    Rubico is a software development firm. The midsize Austin, Texas-based company was launched in 2003. Their team specializes in Custom Software Development, Web Development, Mobile App Development, E-Commerce Development, and more.
    Read More

    Industries

  • 16
    (22 Reviews) 4.8

    Timeliness

    4.9

    Service Excellence

    4.7

    Value

    4.7

    Would Recommend

    4.9
    $50,000+
    50 - 249 employees
    Scottsdale, AZ

    Sonatafy Technology is a software house based in San Diego with no more than 250 employees. Since their founding in 2004, they have offered web development, mobile app development, and application testing solutions to clients ranging from small to large firms.

    Read More

    Clients

    TaylorMade Golf, Caterpillar, MobiTV, IBM, Cisco, Fox, AKIDO, CoachLogix, Semantic Research, Buzztime, Calsense

    Industries

  • 17
    (21 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    4.9

    Value

    5.0

    Would Recommend

    5.0
    $10,000+
    50 - 249 employees
    McLean, VA

    Founded in 2017, Luxe Quality is a application testing company. The agency offers application testing and has a midsize team.

    Read More

    Industries

  • 18
    (26 Reviews) 4.8

    Timeliness

    4.8

    Service Excellence

    4.8

    Value

    4.2

    Would Recommend

    4.9
    $25,000+
    250 - 999 employees
    Plano, TX
    Launch by NTT DATA, a mobile app development company, was founded in 2023. The firm provides mobile app development, product design, custom software development, web development, and more and has a midsize team.
    Read More

    Industries

  • 19
    (9 Reviews) 5.0

    Timeliness

    4.9

    Service Excellence

    4.9

    Value

    5.0

    Would Recommend

    5.0
    $1,000+
    10 - 49 employees
    Guys Mills, PA
    Cybersecurity and Application Testing company White Knight Labs was founded in 2017. In Guys Mills, Pennsylvania and Grand Rapids, Michigan, their small team provides Cybersecurity and Application Testing.
    Read More

    Industries

  • 20
    (11 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    50 - 249 employees
    Seattle, WA
    Headquartered in Seattle, Washington; Yerevan, Armenia and Almaty, Kazakhstan, Innova is a big data analytics company. The midsize agency was established in 2021. Their services include BI & big data consulting & SI, cloud consulting & SI, IT managed services, Custom Software Development, and more.
    Read More

    Industries

  • 21
    (17 Reviews) 5.0

    Timeliness

    4.8

    Service Excellence

    4.9

    Value

    4.9

    Would Recommend

    5.0
    Undisclosed
    10 - 49 employees
    Minneapolis, MN

    The Jed Mahonis Group is a mobile app development company from Minneapolis, Minn. Founded in 2012, it has about six employees that do mobile and web development, custom software, UI/UX design, and more for small businesses across a variety of industries. 

    Read More

    Clients

    Great Clips

    Industries

  • 22
    (2 Reviews) 5.0

    Timeliness

    4.8

    Service Excellence

    5.0

    Value

    4.8

    Would Recommend

    5.0
    $50,000+
    10 - 49 employees
    Philadelphia, PA

    Founded in 2011, Ombu Labs is located in Philadelphia. With eight employees, they provide product design, custom software development, and web development services to enterprise and midmarket sized businesses.

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    Clients

    Snapchat

    Industries

  • 23
    (2 Reviews) 5.0

    Timeliness

    4.0

    Service Excellence

    5.0

    Value

    4.5

    Would Recommend

    5.0
    $75,000+
    10 - 49 employees
    Austin, TX

    The Frontside is a software development company from Austin, Texas. It was founded in 2005, and its team of 11 provides web development, mobile development, and custom software development. The Frontside offers Ruby on Rails services. 

    Read More

    Clients

    Resideo

    Industries

  • 24
    (33 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    4.9

    Value

    5.0

    Would Recommend

    5.0
    $5,000+
    10 - 49 employees
    New York, NY
    Off-Site Services, a web development company, is based in New York, New York. Founded in 2003, the small team specializes in Web Development, IT staff augmentation, E-Commerce Development, and Application Testing.
    Read More

    Clients

    Schrodinger

    Industries

  • 25
    (4 Reviews) 4.8

    Timeliness

    4.9

    Service Excellence

    4.8

    Value

    4.8

    Would Recommend

    5.0
    $50,000+
    50 - 249 employees
    San Francisco, CA
    Admios, a software development firm, was launched in 2005. The company provides Custom Software Development, IT staff augmentation, IT managed services, Application Testing, and more and has a midsize team. The company is in San Francisco, California.
    Read More

    Industries

  • 26
    (8 Reviews) 4.9

    Timeliness

    5.0

    Service Excellence

    4.9

    Value

    4.9

    Would Recommend

    4.9
    $10,000+
    10 - 49 employees
    Chicago, IL

    Founded in 2006, Logical Media Group is a full-service digital marketing agency crafting digital experiences for people and companies to transact, connect, and explore. The Chicago-based team, whose original core competency was in generating qualified website traffic through search engine marketing, with a specialization in PPC and SEO, now has specific teams tailored towards other online channels such as Amazon Advertising, social media marketing, email marketing, display advertising, and conversion rate optimization.

    Read More

    Clients

    Vienna Beef

    Industries

  • 27
    (14 Reviews) 4.8

    Timeliness

    4.8

    Service Excellence

    4.8

    Value

    4.8

    Would Recommend

    4.7
    $1,000+
    10 - 49 employees
    Los Angeles, CA

    Amplitude Digital Inc. is a digital marketing agency headquartered in Los Angeles. The company specializes in PPC and SEO, and additionally provides digital marketing and social media marketing services. Their small team of 9 works with mid-market and enterprise businesses in mainly the health care & medical, media, and retail industries. 
     

    Read More

    Clients

    Dr. Schulze

    Industries

  • 28
    (1 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    0.0
    Undisclosed
    2 - 9 employees
    Penn Valley, CA

    SP Marketplace is a software development company based in Penn Valley, Calif., with another office in Sacramento, Calif. Founded in 2012, SP Marketplace specializes in providing custom software development, application development, and application management services to IT companies and nonprofits.

    Read More

    Clients

    Coconino County

    Industries

  • 29
    (14 Reviews) 4.6

    Timeliness

    4.8

    Service Excellence

    4.6

    Value

    4.3

    Would Recommend

    4.7
    $5,000+
    10 - 49 employees
    Portland, OR

    Intuitive Digital is a marketing agency based in Portland, Ore. Since 2012, they've grown to a streamlined team of about 10 employees. Intuitive Digital specializes in web design, SEO, PPC, and social media marketing. The agency works with clients in the business service, consumer product, and education industries. 

    Read More

    Clients

    Pioneer Pacific College

    Industries

  • 30
    (3 Reviews) 5.0

    Timeliness

    5.0

    Service Excellence

    5.0

    Value

    5.0

    Would Recommend

    4.7
    $10,000+
    250 - 999 employees
    Atlanta, GA
    Xperity, a custom software development firm and application testing company, is located in Atlanta, Georgia. The midsize firm was founded in 2008. Their team offers custom software development and application testing.
    Read More

    Industries

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