IT consulting and software development company with 22 years in eCommerce, building enterprise solutions for B2B and B2C
Top Rated15+ YearsEnterprise
eCommerce DevelopmentMobile App DevelopmentThe Top 10
The absolute best in qa & test automation
Award-winning digital consulting firm providing comprehensive QA automation services for enterprises, ISVs, and digital agencies.
Top Rated15+ YearsMid-Size
QA & Test AutomationStaff Augmentation / Dedicated Teams
Software testing company specializing in functional usability testing for healthcare startups and digital health platforms with regulatory focus.
Top Rated15+ YearsMid-Size
QA & Test Automation
Independent QA agency specializing in quality assurance and software testing services across various sectors with modern methodologies.
Top Rated5+ YearsMid-Size
QA & Test Automation
QA automation service providing fast test creation and maintenance using Playwright framework with in-house experience for SaaS tools.
Top Rated5+ YearsMid-Size
QA & Test Automation
Leading quality engineering company providing AI-powered testing, automation services, and managed QA for global enterprises.
Top RatedAWS Partner15+ Years+1 more
QA & Test Automation
New Era Technology – Digital delivers digital transformation, analytics, cloud, digital experience, and technology solutions to help organizations modernize and grow in a data-driven world
Top Rated15+ YearsSmall Team
QA & Test Automation
Independent testing company providing comprehensive QA services including test automation, mobile testing, and security testing.
Top Rated15+ YearsMid-Size
QA & Test Automation
Software quality tools company providing test automation platforms, API testing solutions, and comprehensive development tools.
Top RatedAWS Partner15+ Years+1 more
QA & Test Automation
Pure-play software testing company with 1,000+ QA engineers providing full-cycle testing, automation, and specialized QA services.
Top Rated15+ YearsEnterprise
QA & Test AutomationTop 10 QA & Test Automation Agencies — FAQ
Common questions about the best qa & test automation agencies.
Who is the #1 qa & test automation agency in the USA in 2026?
As of 2026, the top-ranked qa & test automation agency in the USA on AgencyCluster is ScienceSoft, with an AgencyCluster Score of 100/100. Rankings are based on verified evidence across credibility, proof of work, reputation, category specialization, delivery maturity, and freshness. Rankings are updated periodically as new evidence becomes available.
How were the top 10 qa & test automation agencies in the USA selected?
This list features 10 agencies selected from AgencyCluster's curated directory. Each agency was evaluated using the AgencyCluster Score (0–100), with particular weight on demonstrated expertise in qa & test automation. Only agencies with verified credentials are eligible, and rankings cannot be purchased. The agencies on this list average 20+ years of experience. For full methodology details, see our How We Rank page.
What should I look for when choosing a qa & test automation agency from this list?
Ask about their test automation framework experience (Selenium, Cypress, Playwright, Appium). Check if they can create a test strategy, not just execute test cases. Ask about their approach to CI/CD integration and how they handle test environment management. For enterprise, ask about their experience with performance testing and security testing.
How much do the top qa & test automation agencies typically charge?
Test automation framework setup costs $15K–$50K. Ongoing QA retainers run $5K–$20K/month. Performance testing engagements cost $10K–$40K. Comprehensive test strategy development costs $10K–$30K.
Trusted Rankings
Every agency on this list has been reviewed by our editorial team. Rankings are based on our transparent methodology which evaluates credibility, outcomes, and reputation.
No paid rankingsVerified credentialsUpdated regularly
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