# QASource

> QASource is a Silicon Valley-based software QA and testing company that gives engineering teams a full quality-assurance department without the cost and hassle of building one. Founded in 2000 by Rajeev Rai, the firm runs a hybrid onsite-offshore model - U.S. management and embedded QA engineers paired with technical talent in India and Mexico - delivering everything from manual, automation, performance and security testing to AI-augmented test automation, LLM evaluation, RLHF tuning, red teaming and RAG application testing. With roughly 1,400 professionals and a client roster spanning startups to Fortune 500 enterprises, QASource has built a reputation on a 95% customer-retention rate and two decades of steady double-digit growth.

- **Founded:** 2000
- **Headquarters:** Pleasanton, California, United States
- **Founders:** Rajeev Rai (Founder & CEO)
- **Team size:** ~1,400 professionals (including 700+ QA engineers)
- **Products:** Test Automation, Manual & Functional Testing, Performance & Security Testing, Specialized Testing, AI Testing & AI Services
- **Notable:** 95% customer retention rate, 40% of new clients arrive via referrals, Two decades of consistent double-digit annual growth

## Products & services

- **Test Automation** — Framework design, test-script automation, self-healing scripts, regression automation and CI/CD-integrated continuous testing.
- **Manual & Functional Testing** — Exploratory, functional, UAT, compatibility and regression testing handled by dedicated engineers.
- **Performance & Security Testing** — Load and performance testing, security vulnerability assessment and compliance-driven security testing.
- **Specialized Testing** — Mobile app, Salesforce, cloud, blockchain, IoT, big data and API testing across platforms.
- **AI Testing & AI Services** — LLM evaluation and alignment, RLHF fine-tuning, bias detection, guardrail and red-teaming services, RAG application development and AI agent application development.
- **QASource Intelligence** — An AI-powered QA platform and service model that brings AI-driven test generation, analytics and real-time support to QA workflows.

## Achievements

- 95% customer retention rate
- 40% of new clients arrive via referrals
- Two decades of consistent double-digit annual growth
- Rated 4.7 on Clutch, G2 and Comparably
- Grew to ~1,400 professionals without external venture funding
- Acquired QAOnDemand (2016) and MyCrowd QA (2017)
- Recognized among top AI application testing companies in the USA in 2025

## Latest updates

- **2025-01** — Expanded AI testing services - LLM evaluation, RLHF fine-tuning, bias audits, guardrail and red-teaming - and was named among the top AI application testing companies in the USA.
- **2024-01** — Marked 24+ years of operation serving startups to Fortune 500 with AI-augmented QA.

## Links

- Website: https://www.qasource.com
- LinkedIn: http://www.linkedin.com/company/qasource
- Twitter/X: https://twitter.com/qasource
- YouTube: https://www.youtube.com/user/QASource
- Facebook: https://www.facebook.com/qasource/

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Profile page: https://yespress.io/qasource
Published by YesPress — https://yespress.io
Last updated: 2026-06-20