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Top QA & Software Testing Firms

Releases that break checkout, a mobile app that crashes on older Android phones, an API that slows under load: these are the failures QA and software testing companies are paid to catch first. They plan test strategy, write and run manual test cases, build automated suites in Selenium, Playwright, Cypress or Appium, and run performance, security and accessibility tests. Software teams hire them when developers are testing their own code, when release cycles are speeding up, before a major launch, or when an audit demands documented testing.

When comparing the firms below, look at the kinds of applications they test, the automation frameworks they work in, and whether testers join your sprints or work from a separate queue.

How this list is built

We evaluate companies on verified profile data: services, pricing, locations, and portfolio. Client reviews are being collected. We may earn a fee for some placements. How we rank and verify

List of the Best QA & Software Testing Agencies

  1. R
    Rightous Technologies
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    Rightous is a provider of digital and technological solutions, excelling in areas such as AI, machine learning, IoT, mobile and web development, e-commerce, design branding, and digital marketing. We are recognized as the leading global enterprise development firm. Our talented team of developers an

    Highlights

    $5,000+

    Min Project Size

    $25-49/hr

    Avg Hourly Rate

    10-49

    Employees

    Services Provided+18 Services
    4% E-Commerce Development
    1% QA & Software Testing
    4% Mobile App Development (iOS & Android)
    3% Custom Web Application Development
    AI Summary

    “Rightous Technologies is a global digital solutions provider specializing in AI, machine learning, IoT, development, design, and marketing, delivering high-quality projects with a client-focused approach.”

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