To find such a firm, you need to see their experience and work in that domain. However, some of the leading QA service providers in India include: VSenchola Technology: Known for their expertise in software testing and QA, Senchola Technology offers comprehensive testing services to clients worldwide. QA InfoTech: With a focus on quality assurance and testing, QA InfoTech provides a wide range of testing services. Cigniti Technologies: Cigniti Technologies is a global leader in independent software testing and QA services.