Who are the best outsourced QA testing providers?

Selecting the best outsourced QA testing provider depends on your specific requirements, the nature of your projects, and your budget considerations. Here are some well-known and reputable outsourced QA testing providers, each known for providing quality testing services:

1. EPAM Systems:

   • EPAM Systems is a global software engineering services company that offers a range of services, including QA and testing. They provide testing services for various industries and have expertise in manual and automated testing.

2. Cognizant:

   • Cognizant is a multinational technology company with a significant presence in QA and testing services. They offer a comprehensive suite of testing solutions, including functional testing, performance testing, and test automation.

3. Infosys:

   • Infosys is a global IT consulting and services company that provides QA and testing services. They offer end-to-end testing solutions, including test strategy, test automation, and specialized testing for industries such as healthcare and finance.

4. Wipro:

   • Wipro is an Indian multinational corporation that provides IT services, including QA and testing. They offer a range of testing services, including functional testing, automation testing, and performance testing.

5. Tata Consultancy Services (TCS):

   • TCS is one of the largest IT services and consulting firms globally. They provide comprehensive testing services, including manual testing, automation testing, and specialized testing for industries such as retail, healthcare, and finance.

6. QualiTest:

   • QualiTest is a software testing and quality assurance company with a global presence. They offer a wide range of testing services, including functional testing, performance testing, and security testing.

7. A1QA:

   • A1QA is an independent software testing and quality assurance company. They provide services such as functional testing, automation testing, and mobile application testing.

8. QASource:

   • QASource is a software testing company that specializes in QA and testing services. They offer offshore testing services with a focus on test automation, manual testing, and QA consulting.

9. ScienceSoft:

   • ScienceSoft is an IT consulting and software development company that also provides QA and testing services. They offer testing services for web applications, mobile apps, and enterprise solutions.

10. Testlio:

    • Testlio is a testing services provider that specializes in mobile app testing. They offer a crowdtesting platform where a network of professional testers helps test mobile applications on various devices.

Before selecting an outsourced QA testing provider, it's essential to define your specific testing needs, evaluate the provider's expertise in your industry, check client testimonials, and assess the provider's approach to quality assurance. Additionally, consider factors such as communication, flexibility, and the ability to scale resources based on your project requirements.