Performance Testing Services in the USA: Our Top 20 Picks

If you’ve availed performance testing services before and faced disappointments, you have landed at the right spot. Your quest for U.S.-based performance testing services clearly shows you have greater expectations, and you are looking for companies that not only report Performance, Availability, and Scalability (P-A-S) issues but go beyond with deep Root Cause Analysis (RCA) to identify the bottlenecks.

Industry-specific expertise is critical, but so is proactive scalability, clear reporting, and seamless integration into your DevOps and CI/CD processes. You need a partner that acts as an extension of your team, ensuring continuous optimization and swift resolutions.

Hence, in this guide, we spotlight the top 20 U.S. performance testing services that provide comprehensive performance assurance, realistic workload simulations, and solutions for P-A-S issues across complex IT systems.

List of Top 20 Performance Testing Services in the USA

The U.S. software testing market continues to expand, valued at $2.4 billion in 2024, with a growth rate of 6.84%. Clearly, the demand for reliable performance testing services is surging, and so is the breadth of testing service options available.

To guide you in choosing the right service provider amidst this growing market, we have our list meticulously curated. It includes detailed information on each company’s services, expertise, industries served, and comprehensive reviews. This ensures you have all the essential details to make an informed decision.

Here are the top 20 performance testing services in the USA:

  1. Avekshaa Technologies
  2. QASource
  3. QA Mentor
  4. QualityLogic
  5. Mindful QA
  6. Testmatick
  7. HikeQA
  8. ImpactQA
  9. Qualitest
  10. LambdaTest
  11. ScienceSoft
  12. Algoworks
  13. Cigniti
  14. a1qa
  15. PFLB
  16. QA Wolf
  17. DeviQA
  18. Cyber Infrastructure Inc
  19. JadeGlobal
  20. ThinkSys

Disclaimer: The insights presented in this article are sourced exclusively and true to publicly available information and customer reviews.

#1. Avekshaa Technologies

With over a decade of expertise, Avekshaa Technologies stands out as one of the high-performance testing service companies in the USA. They are solving the burning problems of CIOs with their P-A-S-S™ Assurance Platform by systematically identifying and resolving performance, availability, and scalability issues of their business-critical apps/IT systems. 

Avekshaa’s approach begins with deep root cause analysis that goes beyond standard methods to uncover fundamental P-A-S issues in your applications. They tailor realistic workload simulations to validate your apps/systems under various stress conditions. This methodology ensures complete assurance with a 100% success rate.

Founded: February, 2011

Employee count: 50-200 employees 

Services: Application Performance Engineering, Application Performance Monitoring – APM, Performance Testing, Performance Benchmarking, Digital Quality Assurance & Engineering, AIOps Services, etc.,

Specialized for Industries: Banking, Financial Services, Telecom, Insurance, Retail, Life Sciences & Pharma and others

Clients: Total 60+ leading enterprises including HSBC, CAMS, SVC Bank, hathw@y, ArisGlobal, and many others.

Technologies Worked on: Node.js, AppDynamics, Elasticsearch, F5 Networks Citrix, NetScaler, Kafka, MySQL, Apache Storm, NGINX, HAProxy, and many others.

Industry Recognitions/Awards: Deloitte Technology Fast 50,  CV Magazine Technology Innovator Awards, Fast 500 APAC Winner, Red Herring 100 Winner, Express IT Awards and many more.

Testimonials/ Reviews: They received many positive client feedback for their work. Here’s one:

#2. QASource

QASource combines traditional load testing with AI-driven performance assessments, ensuring software reliability and scalability. Their experts deliver thorough analysis and optimization for robust application performance.

  • Founded: 2002
  • Employee count: 1K-5K Employees
  • Services: API Testing, AI Testing, Blockchain Testing, Cloud-based Application Testing, Load and Performance Testing, Manual Testing.
  • Specialized for Industries: Banking & Financial Services, Cybersecurity, Healthcare, eLearning, Retail and more.
  • Clients: Salesforce, IBM, Slack, Target, Go Daddy
  • Industry Recognitions/Awards: TEST Magazine’s 20 Leading Testing Providers, ISO 9001:2008 Certification
  • Testimonials/ Reviews: 

#3. QA Mentor

QA Mentor is a global leader in QA and testing, offering over 30 services. Their multi-award-winning team supports Fortune 500 companies and startups with tailored quality assurance solutions.

  • Founded: 2010
  • Employee count: 450+ employees
  • Services: QA consulting, functional testing, performance testing, security testing, mobile app testing
  • Specialized for Industries: Financial Services, Healthcare, Education, Retail, Advertising & Marketing, Automotive, and Information Technology.
  • Clients: Zyto, AFEX, HTC, HSBC, Ebay.
  • Industry Recognitions/Awards: Top Software Testing Company – United States 2023, Graduate Tester of the Year, QA Mentor: Around-the-clock and Global Services for All Things Testing
  • Testimonials/ Reviews: 

#4. QualityLogic

QualityLogic delivers versatile testing solutions, focusing on validating software performance and compliance with industry standards. Their flexible services cater to varied client requirements.

  • Founded: 1986
  • Employees: 158
  • Services: Functional testing, test automation, usability testing, regression testing, accessibility testing, exploratory testing
  • Specialized for Industries: Retail & eCommerce, Social & Dating, Education & Nonprofits, Healthcare, Imaging & 3D Printing, Media & Entertainment, Marketing & Design, FinTech, Fitness​
  • Clients: Disney, Lexicon, NWEA, HP
  • Industry Recognitions/Awards: 2022 Top Service Provider in Idaho
  • Testimonials/ Reviews:

#5. Mindful QA

Mindful QA specializes in manual and automated testing, offering reliable solutions for startups and nonprofits. They emphasize accessibility and usability testing for organizations of all sizes.

  • Founded: 2018
  • Employee count: 250+
  • Services: Manual testing, automation testing, accessibility testing, usability testing
  • Specialized for Industries: Healthcare, Retail, Non-profits, Education, Media & Entertainment
  • Clients: Google, Tacobell, Microsoft, BMW, Intel.
  • Industry Recognitions/Awards: Top 50 Tech Visionaries
  • Testimonials/ Reviews: 

#6. Testmatick

Testmatick provides fast, reliable software testing services, delivering results within 24 hours for projects of all complexities.

  • Founded: 2009
  • Employee count: Approximately 100 employees
  • Services: Web and mobile testing, functional testing, performance testing, usability testing
  • Specialized for Industries: Education, Media, FinTech, Real Estate, IT Management
  • Clients: Sweetrush, Webshadow, Datarockets, KDG, Solarwinds
  • Industry Recognitions/Awards: 2023 Fall Clutch Global Award
  • Testimonials/ Reviews: 

#7. HikeQA

HikeQA provides comprehensive testing services, specializing in mobile apps and automation testing. They offer QA solutions tailored to business needs with a strong focus on performance.

  • Founded: 2020
  • Employee count: 150+ employees
  • Services: Mobile App Testing, Regression Testing, QA Outsourcing, Performance Testing, Automation Testing, Functional Testing
  • Specialized for Industries: Consulting, Technology, Investment Management.
  • Clients: SWStrategies LLC, Surprize Private Limited, ThomasPartners Investment Management
  • Industry Recognitions/Awards: 
  • Testimonials/ Reviews:

#8. ImpactQA

ImpactQA offers customized performance and load testing services using tools like Apache and LoadRunner. They deliver flexible, remote QA solutions across industries, focusing on website and application performance.

  • Founded: 2011
  • Employee count: 170+ employees
  • Services: Quality Assurance, Quality Engineering, QA Consulting, Next-Gen Testing
  • Specialized for Industries: BFSI, E-Learning, Healthcare, Logistics, Manufacturing
  • Clients: Starbucks, Vox, Hydro
  • Industry Recognitions/Awards: Top Contender in Everest QE PEAK Matrix 2023, Managed Cybersecurity Service Provider of the Year (2022), Top Software Testing Companies in 2021
  • Testimonials/ Reviews: 

#9. Qualitest

Qualitest provides managed QA services using automation and AI to streamline testing processes. They offer tailored QA strategies for various industries and ensure quick, on-demand testing solutions.

  • Founded: 1997
  • Employee count: 5700+ employees
  • Services: Managed software testing, risk-based testing, project-based testing, strategic consultancy
  • Specialized for Industries:  Telecom, Gaming, Energy, Healthcare, Banking
  • Clients: Microsoft, AVAYA, Fuji, Intel, Adidas
  • Industry Recognitions/Awards: Best Connected Health Platform in 2024, Best Manufacturers in America by the Worldwide Certified Business Review Board Inc. in 2024. 
  • Testimonials/ Reviews:

#10. LambdaTest

LambdaTest specializes in cross-browser testing, offering robust solutions for ensuring seamless functionality across different platforms. They also focus on Selenium automation testing and CI/CD integrations.

  • Founded: 2017
  • Employee count: Around 500 employees
  • Services: Cross-browser Testing, Mobile App Testing, Selenium Automation Testing, CI/CD Integrations, Performance Testing
  • Specialized for Industries: Retail, Finance, Media & Entertainment, Healthcare, Travel & Hospitality, Insurance.
  • Clients: Vimeo, Nvidia, Microsoft, Telstra
  • Industry Recognitions/Awards: G2 recognizes LambdaTest as one of the Best Software Companies, LT Browser Awarded as High Performer
  • Testimonials/ Reviews:

#11. ScienceSoft

ScienceSoft delivers advanced software testing services, including performance testing for IoT, AI, and blockchain applications. They use leading tools like Apache JMeter and LoadRunner, ensuring scalability and stability.

  • Founded: 1989
  • Employee count: Around 700 employees
  • Services: Load, Stress, Stability, and Scalability Testing
  • Specialized for Industries: Healthcare, Finance, Banking, Insurance
  • Clients: Walmart, eBay, NASA JPL, PerkinElmer, Baxter, IBM
  • Industry Recognitions/Awards: 2023 North American Enabling Technology Leadership Award, Health Tech Award 2022 Finalist
  • Testimonials/ Reviews: 

#12. Algoworks

Algoworks specializes in software performance testing, ensuring optimal performance for web and cloud platforms. They focus on providing high-quality user experiences by addressing defects using real devices and scenarios.

  • Founded: 2006
  • Employee count: 650+ employees
  • Services: Load Testing, Volume Testing, Stress Testing, Component Testing, Soak Testing, Capacity Testing
  • Specialized for Industries: Retail, Healthcare, Gaming, Logistics
  • Clients: Sage, Stripe, Zoom, Quip
  • Industry Recognitions/Awards: Technology Fast 500 APAC | Deloitte 2013, 2014 & 2015, Reliable Company | Extract.co 2017, IT World Gold | Network Product Guide 2020.
  • Testimonials/ Reviews: 

 

#13. Cigniti

Cigniti provides extensive performance and load testing services across platforms like mobile, cloud, and client-server applications. Their services include capacity planning and load testing to improve scalability and system performance.

  • Founded: 1998
  • Employee count: 3860 employees
  • Services: Test Automation, Security Testing, Regression Testing, Performance Testing, Mobile Testing, Functional Testing, Crowdsourced Testing, Compatibility Testing
  • Specialized for Industries: Healthcare, Airlines, Logistics, Banking.
  • Clients: Cipla, Subway, HP, Bank of America
  • Industry Recognitions/Awards: Leading Computer Vision Tool in Forrester’s Q2 2023 Report, ISG Provider Lens Digital Engineering Services 2023 Study
  • Testimonials/ Reviews: 

#14. a1qa

A1QA offers a wide range of software testing services with a focus on quality engineering and performance across web, mobile, IoT, and blockchain platforms. They have completed over 1500 projects, delivering reliable solutions.

  • Founded: 2003
  • Employee count: 800+ employees
  • Services: Full-cycle testing services, quality engineering, systems and platforms
  • Specialized for Industries: BFSI, eCommerce, eHealth, Software development, Media and entertainment
  • Clients: Shelf, Pearson, SAP, Yahoo
  • Industry Recognitions/Awards: 2024 Global Outsourcing 100 list Leader, 2024 BRONZE GLOBEE® WINNER in Customer Excellence, Triple finalist of The North American Software Testing Awards 2023
  • Testimonials/ Reviews:

#15. PFLB

PFLB specializes in performance testing services, assisting companies in identifying and resolving performance bottlenecks such as inefficient API calls or slow database queries. Clients rely on PFLB for their performance testing needs across a broad range of technologies, including web and mobile applications, core banking systems, SAP, IVR, and legacy software.

  • Founded: 2008
  • Employee count: 100+ employees
  • Services:  Performance testing, benchmarking, hardware sizing, test data management, capacity planning
  • Specialized for Industries: Banking, Social Networking, Financial Services, Technology
  • Clients: Tinder, Moody’s, Illumina, Splunk, Udacity, SolarWinds, Samsung, Raiffeisen Bank.
  • Industry Recognitions/Awards: GoodFirms Recognition for Exclusive Mobile App Development Services
  • Testimonials/ Reviews: 

#16. QA Wolf

QA Wolf sets a high standard in automated performance testing, providing 80% coverage in just a few weeks. They offer parallel test infrastructure at no extra cost, enhancing speed and efficiency for teams.

  • Founded: 2019
  • Employee count: 100+ employees
  • Services: End-to-end test automation, performance testing, accessibility testing, Salesforce testing
  • Specialized for Industries: Fintech, Healthcare, Gen AI & LLMs, eCommerce, Retail
  • Clients: Autotrader, Salesloft, Drata, Mailchimp
  • Industry Recognitions/Awards: G2 Software Testing Leader Spring 2024
  • Testimonials/ Reviews:

#17. DeviQA

DeviQA is a leading software testing and quality assurance provider, offering dependable and efficient QA solutions. Their customized approach addresses the unique requirements of each project, ensuring businesses meet their objectives by delivering applications that are secure, robust, and high-performing.

  • Founded: 2010
  • Employee count: 250+ employees
  • Services: QA Automation, Manual Testing, Performance Testing, Security Testing, API Testing, Mobile Testing, Web Testing, Desktop Testing, Compatibility Testing, Load Testing, Functional Testing, DevOps Testing, Usability Testing, QA Audit & Consulting, and Test Documentation.
  • Specialized for Industries: Travel, Healthcare, eCommerce
  • Clients: Descript, Mimecast, Abbott, Compass.
  • Industry Recognitions/Awards: Top 1000 Company in 2022, Software Testing Award Finalist
  • Testimonials/ Reviews: 

#18. Cyber Infrastructure Inc

Cyber Infrastructure provides comprehensive IT solutions, specializing in consulting, software development, and testing services. They cater to a broad range of industries, offering services like digital marketing and mobile app development.

  • Founded: 2003
  • Employee count: 980+ employees
  • Services: IT consulting, web development, mobile app development, software testing, digital marketing
  • Specialized for Industries: Cyber Security, Dating, Social Industries, Real Estate
  • Clients: eBay, Nokia, Amcore
  • Industry Recognitions/Awards: CMMI Level 5 compliant company, Accredited with ISO 9001:2015 Certification.
  • Testimonials/ Reviews: 

#19. JadeGlobal

JadeGlobal delivers end-to-end quality assurance and performance testing services using tools like JMeter and NeoLoad. They ensure software efficiency across enterprise applications, networks, and streaming services.

  • Founded: 2003
  • Employee count: 1750+ employees
  • Services: Performance Assessment, Testing Tool Feasibility, Performance Monitoring, Capacity Planning, Benchmarking
  • Specialized for Industries: Healthcare, Public Sector, Financial Services
  • Clients: Oracle, Salesforce, ServiceNow.
  • Industry Recognitions/Awards: CRN’s 2024 Tech Elite 250 list

#20. ThinkSys

ThinkSys offers tailored QA and testing solutions, specializing in automation, mobile app testing, and cloud-based testing. Their focus is on optimizing client productivity and rapid return on investment.

  • Founded: 2012
  • Employee count: 400+ employees
  • Services: Automation Testing, Functional Testing, Localization Testing, Mobile App Testing, Performance Testing and more.
  • Specialized for Industries: Media, E-Learning, Healthcare Technology
  • Clients: GEFEN, ADP, Rise, PDX.
  • Industry Recognitions/Awards: Red Herring Asia 100 award
  • Testimonials/ Reviews: 

After reviewing the top performance testing providers, it’s clear each offers valuable solutions. But when it comes to standout services and cutting-edge technology, Avekshaa leads the way. Let’s understand how.

What Sets Avekshaa Apart as a Performance Testing Service

Why settle for typical solutions when you can partner with the best? Avekshaa’s unique approach sets them apart. Our performance testing Center of Excellence (CoE) delivers agile, customer-centric testing enriched by AI-driven Root Cause Analysis (RCA). The proprietary P-A-S-S™ Assurance Platform has tackled over 5,000 IT challenges, enhancing performance, availability, and scalability with remarkable success rates.

Explore the profound impact of our expertise through our detailed case studies, including a project that cut downtime by 30% for a major service provider supporting over 15,000 users. These stories exemplify how we ensure seamless operations and exceed SLA expectations.

Partner with Avekshaa for solutions that elevate the speed, reliability, and scalability of your services. Connect with our experts today to discover how our proven approaches can transform your operations.

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