Best Connecticut Software Testing Agency Rankings

9 Companies - Rankings updated: July 07, 2026

DesignRush evaluates each agency using expert assessment and client feedback to inform your choices. Some featured agencies have paid placements.

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United States × Connecticut ×

  • Azumo

    Build Intelligent Apps for Web, Mobile, Data, AI and Cloud

    Azumo helps businesses build intelligent apps by providing top-tier developers skilled in AI, data engineering and enterprise web & mobile applications. Our expertise has earned the trust of industry leaders like Facebook, Twitter, Discovery, Zynga, and NCSoft.  [... View Azumo portfolio ]

    Top Services:

    • AI Development
    • Software Development
    • Staff Augmentation
    • Mobile App Development
    • Big Data Analytics
    • DevOps Consulting
    • Cloud Consulting
    Location
    Stamford, Connecticut
    Number of Employees
    100 - 249
    Average Hourly Rate
    $55/hr
    Minimal Budget
    $50,000 & Up
    Portfolios Count
    9 Projects Listed

    Azumo Services

    • AI Development
    • Software Development
    • Staff Augmentation
    • Mobile App Development
    • Big Data Analytics
    • DevOps Consulting
    • Cloud Consulting
    Data sourced from the agency's DesignRush profile, its website, and other relevant accounts
    • Discovery Channel
    • Meta
    • Zynga
    • Jostens
    • Assembled Brands
    • NGL
    • NCSoft
    • Twitter
    • Horoscope.com
    • Bento
    Data sourced from the agency's DesignRush profile

    Azumo Reviews & Testimonials

    • Michael S.
      Michael S. Director at Software Development Company
      5.0★

      Software Development Review from Michael S.

      We selected Azumo to develop our software. We transitioned from another development company, so Azumo was initially responsible for migrating our existing code and environments. We are currently still working with Azumo as our nearshore software development team on adding new items to our software.

      Show more
    • Anonymous
      Anonymous CTO at Healthcare Company
      5.0★

      UI/UX Design Review from Anonymous

      Azumo helped us migrate our existing UIs into a new framework, creating reusable components and the infrastructure needed for future development. The developer they assigned became a seamless part of our team, always punctual, responsive, and a great fit overall.

      Show more
    • Anonymous
      Anonymous VP Product & Engineering at Sales & Mktg Software Company
      5.0★

      Software Development Review from Anonymous

      Thanks to Azumo’s work, our product is now more scalable, optimized, and ready for a growing user base. Their team has managed the engagement effectively, keeping us updated and addressing any challenges along the way. We’ve appreciated their constant availability and proactive communication.

      Show more
    Reviews verified by DesignRush and sourced from the agency's profile
    Visit WebsiteView Profile
    4.8 4.8 (12)
    4.6 4.6 (22)

  • Designli

    DesignRush Design Award Winner
    Build software people actually pay for.

    Build software people actually pay for.

    At Designli, we turn software into real, revenue-generating businesses and we measure our success by yours. Real users on a working MVP in 30 days, guaranteed. Senior teams paid on outcomes, not promises. First 14 days fully refundable.  [... View Designli portfolio ]

    Top Services:

    • Mobile App Development
    • Software Development
    • Web Development
    • Web Design
    • UI/UX Design
    • Software Testing
    • IoT
    Location
    Stamford, Connecticut
    Number of Employees
    50 - 99
    Average Hourly Rate
    $85/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    14 Projects Listed
    View Profile
    5.0 5.0 (79)
    4.9 4.9 (84)

  • Quartus Technology, Inc

    The undisputed authority on BLE Bluetooth IoT and AI App Development

    The undisputed authority on BLE Bluetooth IoT and AI App Development

    We are the undisputed authority on Bluetooth BLE, IoT, and AI applications. Our Bluetooth and AI applications have proven to be very effective to clients across the United States and Europe. Call us for a free technical consultation and evaluation of your project.  [... View Quartus Technology, Inc portfolio ]

    Top Services:

    • Mobile App Development
    • Web Development
    • Software Development
    • Product Design
    • AI Development
    • eCommerce Development
    • Blockchain
    Location
    Westport, Connecticut
    Number of Employees
    50 - 99
    Portfolios Count
    16 Projects Listed
    View Profile
    4.9 4.9 (9)
    4.8 4.8 (17)

  • KMS Technology

    AI and software sorted for businesses!

    AI and software sorted for businesses!

    KMS Technology offers a comprehensive array of solutions, including AI & Machine Learning, DevOps, Mobile App Development, Software Testing, Salesforce Development, MVP Product Development, Platform Modernization, Data Analytics, and Software Engineering.  [... View KMS Technology portfolio ]

    Top Services:

    • AI Development
    • Mobile App Development
    • Software Development
    • Software Testing
    • Big Data Analytics
    Location
    New Haven, Connecticut
    Number of Employees
    1000 & Up
    Portfolios Count
    5 Projects Listed
    View Profile
    5.0 5.0 (3)

  • Soft Does

    Custom Software That Works in the Real World

    Custom Software That Works in the Real World

    SoftDoes builds custom software, AI, and web applications for mid-market companies that need enterprise-grade results without the overhead of an in-house team. U.S.-based leadership. Full IP ownership. No lock-in.  [... View Soft Does portfolio ]

    Top Services:

    • Software Development
    • AI Development
    • Mobile App Development
    • Web Development
    • UI/UX Design
    • Cloud Consulting
    • Blockchain
    Location
    Hartford, Connecticut
    Number of Employees
    50 - 99
    Average Hourly Rate
    $75/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    1 Project Listed
    View Profile

  • VLink Inc

    AI-First Custom Software Development Company

    AI-First Custom Software Development Company

    VLink is a leading software development service provider specializing in top-tier digital solutions. Focusing on innovation and excellence, we deliver tailored solutions to meet clients unique needs, ensuring agility, security, and growth in the digital era.  [... View VLink Inc portfolio ]

    Top Services:

    • AI Development
    • Mobile App Development
    • Software Development
    • Software Testing
    • Web Development
    • Cloud Consulting
    • Cybersecurity
    Location
    South Windsor, Connecticut
    Number of Employees
    500 - 999
    Average Hourly Rate
    $50/hr
    Minimal Budget
    $10,000 - $25,000
    Portfolios Count
    1 Project Listed
    View Profile
    4.2 4.2 (18)

  • Softdel

    Engineering Smart, Connected IoT Solutions.

    Engineering Smart, Connected IoT Solutions.

    Founded in 1999, Softdel (A UNIDEL company) is a specialized technology company that partners with global industry players to engineer smart and connected products to power the “Internet of Things (IoT)”.  [... view Softdel profile ]

    Top Services:

    • Software Development
    • Software Testing
    • AI Development
    • Cloud Consulting
    • IT Services
    • UI/UX Design
    • Big Data Analytics
    Location
    Stamford, Connecticut
    Number of Employees
    100 - 249
    View Profile

  • ObjectStyle

    Software as a passion.

    Software as a passion.

    Established in 2002 in the USA, ObjectStyle stands as a distinguished software technology company. We are dedicated to offering comprehensive end-to-end IT services that encompass a wide spectrum of solutions. Our expertise spans various domains, ranging from web design and mobile app development to IT  [... view ObjectStyle profile ]

    Top Services:

    • Product Design
    • Software Testing
    • Mobile App Development
    • Software Development
    • Staff Augmentation
    • Cloud Consulting
    • IT Services
    Location
    Fairfield, Connecticut
    Number of Employees
    50 - 99
    Average Hourly Rate
    $75/hr
    Minimal Budget
    $10,000 - $25,000
    View Profile
    5.0 5.0 (1)

  • General Digital Corporation

    Engineering What's Next

    Engineering What's Next

    Since 1973, General Digital has provided unparalleled software development & testing services for safety-critical applications including aviation, medical, industrial, defense, and other industries.  [... view General Digital Corporation profile ]

    Top Services:

    • Blockchain
    • Wearables
    • Software Testing
    • Software Development
    • AI Development
    • IoT
    Location
    East Hartford, Connecticut
    Number of Employees
    50 - 99
    View Profile
    5.0 5.0 (6)

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About The Author and Expert Reviewer

Content Specialist

selina@designrush.com

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

spotlight@designrush.com

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.