16 Best Performance Testing Companies (Service Providers) in 2025
Are you looking to hire the best performance testing service providers? To make sure your software application can handle the expected load over a long period of time, its a good way to hire performance testing companies.
Top performance plays a vital role in the success of any application. Performance issues within your software application in the production damages your brand reputation. It is one of the hardest challenges for any company. It is very important to launch application software without any performance issues. Performance Testing plays a crucial role in the Software Testing Process. It is necessary to get help from a formal web performance testing service provider.
Read more: Performance Testing Complete Guide
List of Performance Testing Companies
Here is the comprehensive list of best Performance Testing Companies/Performance Testing Service Provider Companies. In this list, you can find both Performance Testing Service Provider Companies from India and worldwide that offer innovative and cost-efficient quality assurance and performance testing solutions.
To list your performance testing company, please contact us.
#1. A1QA
A1QA has been providing independent software QA and testing services across multiple industries, serving more than 500 global customers, including Fortune 500 companies for over 17 years.
Clients: Adidas, Telekom Austria Group, Kaspersky, Kano, Inno Games, Pearson, AP, Acronis
Total no. of Years in the Industry: 17 Years
Employees: 800 QA Engineers & Testers
Total no. of Completed Projects: 1500+
Location: United States, United Kingdom
Hourly Rate: Contact To Get A Quote
#2. Devstringx Technologies
Devstringx Technologies is known as a global independent software testing company. Headquarters in India, and operations office in USA, & India. We have worked on different-2 domains including hospitality, IT, Medical, logistics, E-commerce, etc. We offer a full range of testing services some of which are test automation, functional, performance, compatibility, usability, etc.
Services: Test Automation, Software Testing, Software Development, Mobile App Development, Web Application Development, E-commerce development, etc
Clients: IndiaTV, Joybird, Kwiat, QBS Learning, OpenDoctor, SwiftLogic, Ambisafe
Founded in: 2014
Total no. of Completed Projects: 250+
Employees: 50-249
Location: Noida, India & Lewes, USA
Hourly Rate: Contact To Get A Quote
#3. ScienceSoft
ScienceSoft is a global software testing company whose ISTQB-certified testers ensure the fault-proof performance of all software types, including the apps powered by advanced technologies (e.g., IoT, blockchain, AI, big data).
In its projects, ScienceSoft uses reliable performance testing tools, such as Apache JMeter, LoadRunner, Gatling, and Locust. Upon testing, ScienceSoft provides a suite of reusable performance test scripts for regular control of software performance and a detailed test results report. The report contains the root-cause analysis of software performance bugs and recommendations on how to fix them. The high quality of performance testing services is confirmed by ISO 9001.
Services: Load, stress, stability, and scalability testing services.
Clients: IBM, NASA JPL, Deloitte, Nestle, Walmart, eBay, Auchan, Rakuten Viber and more.
Total no. of Years in the Industry: 33 Years
Employees: 700+ IT Professionals
Total no. of Completed Projects: 3000+ projects.
Location: United States (HQ), the EU, UAE.
Hourly Rate: Contact To Get A Quote
#4. PFLB – Performance Testing Platform and Services
PFLB is a modern online testing tool that specializes in providing performance and load testing services.
Its primary focus is on assisting companies in identifying and resolving performance bottlenecks, like ill-performing API calls or sluggish database queries.
Additionally, PFLB offers comprehensive solutions that support JMeter and LoadRunner environments, enabling companies to conduct efficient and scalable performance tests.
With over 15 years of industry experience, PFLB has established a strong global reputation for delivering reliable performance testing solutions.
Services: Performance and load testing, Capacity planning, Performance analysis, Performance benchmarking, Test data management
Clients: Udacity, Samsung, Moody’s, KFC, Solarwinds, tinder etc.,
Founded in: 2008
Total no. of Completed Projects: 250+
Employees: 250-999
Location: California, USA
Hourly Rate: Contact To Get A Quote
#5. DeviQA
DeviQA is a software testing company. They offer a free proof of concept and streamlined communication process, regardless of geography or time zones. They are the finalist of the Software Testing Award in the nomination “Best Test Automation Project – Functional.”
Clients: WeHeartIt, Tipalti, MimeCast, Cipher, Contactually, Connexient, Sprinklr etc.,
Total no. of Years in the Industry: 10+
Employees: 100+ Engineers
Total no. of Completed Projects: 500+ successfully tested applications
Location: Ukraine, United States
Hourly Rate: Contact To Get A Quote
#6. QualityLogic
QualityLogic is a Software Testing Company. They are in the QA business for over 30 years. They conduct all QA operations on-shore in the USA. QualityLogic provides a full range of QA and testing services including QA assessment, Planning, Test architecture & methodology, Test utility and tool development, Test case development, Test automation, Functional testing, Performance, Compatibility, Interoperability, Usability.
Clients: Cisco, HP, Open ADR Alliance, eharmony, Adobe, AT&T etc.,
Total no. of Years in the Industry: 30+
Employees: 100+
Location: USA (Pacific Northwest, Southern California, Midwest)
Hourly Rate: Contact To Get A Quote
#7. TestMatick
TestMatick company offers automation testing services for the web and mobile applications. With TestMatick you can also utilize all the advantages of continuous integration. It includes setup of the environment which automatically integrates all parts of a project and executes tests every time when someone makes a commit to the version control.
Clients: Hubrick, SubscribePro, Negotiation Experts, Dahmakan, Improbable, Veracloud, Media Spectrum, Samanage, etc.,
Total no. of Years in the Industry: 10+
Employees: 125 Testers
Sites Tested: 945+
Mobile Apps Tested: 219+
Location: USA, Ukraine, Cyprus
Hourly Rate: Contact To Get A Quote
#8. Galaxy Weblinks Inc.
Galaxy Weblinks Inc. is an independent software testing company that provides the best QA testing services including performance testing for both web and mobile. It includes load testing services, User Experience (UX) based Performance Testing, Automation Performance Testing Services based on agile methodology practices. We have been providing full range outsource quality assurance services for several years. We have a vigilant QA team that will resolve critical issues related to browser compatibility, security, the functionality of your web/app easily, reliably, and efficiently.
Clients: NetGear, Staples, Tivo, Dowjones, PTC University, etc.,
Total no. of Years in the Industry: 20+
Employees: 250+
Location: United States, India, Australia
Hourly Rate: Contact To Get A Quote
#9. QA Source
QASource delivers high-quality QA outsourcing services using a distributed Agile model that combines offshore and nearshore technical talent with U.S. management and QA engineers.
Clients: eBay, IBM, TechSmith, Oracle, Facebook, Looksmart, Dartmouth, etc.,
Total no. of Years in the Industry: 18+
Employees: 900+
Location: United States
Hourly Rate: Contact To Get A Quote
#10. TestingXperts
TestingXperts is a Next Gen Specialist QA & Software Testing, and an Independent Software Testing division of Damco Group, which is a leading IT Solutions and Services company working with Fortune Enterprises globally. TestingXperts is an ISO 9001:2015 & ISO 27001:2013 certified company. TestingXperts is a leader in NelsonHall’s NEAT Chart 2019.
Clients: AMD, Kotak Mahindra Bank, CMIS Group, HP, BrowserStack, FoodPanda, Thomson Reuters, etc.,
Total no. of Years in the Industry: 24+
Employees: 1000+
Total no. of Completed Projects: 400+
Location: USA, UK, Netherlands, Australia, Canada, India
Hourly Rate: Contact To Get A Quote
#11. ImpactQA
ImpactQA is a leading QA Consultant and Software Testing company (ISO 9001:2008 and ISO 27001 certified). Headquartered in New York, and has operations in New Delhi, Munich, Dallas, and London. We have a diverse client base with 250+ satisfied customers, ranging from nurturing start-ups to Fortune 500 companies. We provide the best-in-class comprehensive suite of automated and manual testing services, delivered throughout the software development life cycle.
Clients: Amdocs, Rocket Internet, Schneider, Panasonic, Deloitte, National Geographic Channel, etc.,
Employees: 250+
Total no. of Completed Projects: 250+
Location: United States, UK, Germany, India
Hourly Rate: Contact To Get A Quote
#12. QAwerk
QAwerk is a software testing consultancy and QA outsourcing company providing high-class outsourced software testing services for top companies worldwide. Whether you need qualified software testing or QA services in Australia, Canada, UK, Ireland, USA, or any other country, we are ready to do our best to make your product shiny and bug-free. We have happy clients that ordered our software quality assurance and testing services in such big cities as London, Melbourne, Sydney, Toronto, New York, Amsterdam, Berlin, and other high-tech centers in the world.
Clients: Elsewhen, Unfold, Station, Loaded Reports, etc.,
Total no. of Years in the Industry: 5+
Employees: 30+ Software Testers
Total no. of Completed Projects: 300+
Location: USA, Germany, Ukraine
Hourly Rate: Contact To Get A Quote
#13. QA Mentor
QA Mentor has a strong global presence with operations across the entire globe with 12 testing operation centers in the United States, United Kingdom, France, Romania, Ukraine, India, Tunisia, and Thailand. Founded in 2010 and based in New York, QA Mentor, Inc. is multi-award winning, CMMI Level 3 SVC + SSD v1.3 appraised ISO 27001:2013, ISO 9001:2015 and ISO 20000-1 certified leading independent software testing company headquartered in New York.
Clients: HTC, Bosch, eBay, Amazon, HSBC, Citi Bank, ZYTO, Afex, Sodexo, etc.,
Total no. of Years in the Industry: 10+
Employees: 300 Certified QA Professionals
Total no. of Completed Projects: 876+
Location: United States, India
Hourly Rate: Contact To Get A Quote
#14. QualiTest Group
QualiTest Group specializes in pure-play software testing and quality assurance. QualiTest designs and delivers solutions that leverage deep, industry-specific understanding with testing technology.
Clients: Philips, Microsoft, Intel, Google, GE, Johnson & Johnson, etc.,
Total no. of Years in the Industry: 13+
Employees: 1000+
Location: United States, UK, Israel, India
Hourly Rate: Contact To Get A Quote
#15. Mindful QA
American QA testing company providing manual and automated testing for web and apps. No long-term contracts required. Thoughtful testers, reliable results.
Clients: Google, Clorox, Microsoft, Intel, H&R Block, etc.,
Location: United States
Hourly Rate: Contact To Get A Quote
#16. Cigniti
Cigniti Technologies Limited, Global Leaders in Independent Quality Engineering & Software Testing Services, is headquartered at Hyderabad, India. Cigniti’s 2500+ career testers are spread across the US, UK, India, Australia, and Canada. Cigniti is the world’s first Independent Software Testing Services Company to be appraised at CMMI-SVC v1.3, Maturity Level 5, and is also ISO 9001:2015 & ISO 27001:2013 certified.
Clients: 50+ of Fortune 500 Companies
Total no. of Years in the Industry: 10+
Employees: 2,500+ Experienced Quality Assured Professionals
Location: USA, Canada, UK, Australia, South Africa, India, Dubai.
Hourly Rate: Contact To Get A Quote
Conclusion
What is your top choice for performance testing services? Comment below and let others know.
To list your performance testing company, please contact us.
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