Home Software testing 10 Top Performance Testing Companies in USA 2023

10 Top Performance Testing Companies in USA 2023

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Top 10 performance testing companies

Are you looking for the best performance testing service providers? Performance testing companies are a good way to ensure your software application can handle the load over a long period of time.

Performance plays a crucial role in the success of any application. Your brand reputation is damaged by performance issues within your software application in production. Every company faces this challenge at some point. The performance of an application software should be flawless when it is launched. The Performance Testing Process is a crucial part of Software Testing. It is recommended that you contact a formal web performance testing service provider.

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.

  • Indium Software
  • QAwerk
  • A1QA
  • QA Mentor
  • DeviQA
  • QualityLogic
  • QASource
  • ImpactQA
  • Performance Lab
  • ScienceSoft

Indium Software

Indium Software is a leading provider of Digital Engineering solutions with deep expertise in Application Engineering, Cloud Engineering, Data and Analytics, DevOps, Digital Assurance and Gaming.

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Indium’s key differentiators are its specialization in Low Code Development, Ai-driven Text Analytics and Partnerships with tech companies such as Mendix, AWS, Denodo and Striim.

Indium has a global presence with key focus in the US, UK, APAC and India with around 2000+ associates and clients ranging from leading ISVs to large enterprises. Industry advocates namely Forbes, Dun & Bradstreet, Clutch have recognized us as a Trusted Digital Engineering partner for Innovative Startups & Visionary Enterprises. At Indium, we believe in continuous learning from the world around us that helps us perform better and stay ahead in the game. We practice an open work culture, where every Indiumite is encouraged to share knowledge, learn, and grow.


QAwerk is a software company that provides performance testing services to the clients. It allows to optimize the process of creating and executing test cases. This organization helps you to determine the optimal configuration of equipments. It offers a facility to check the system performance and reaction in real time with changing configuration.

QAwerk can detect slow loading and long response time, poor scalability, and system reliability issues. This software testing company also determines the number of users working simultaneously under the acceptance of application load.


A1QA is a software testing service provider that provides a wide range of services to customers. It is one of the best performance testing services that works on a web with a variety of systems and platforms like web, mobile CRM, IoT, blockchain, etc. This organization has completed more than 1500 projects with ease.

A1QA gives clients a good and hassle-free software testing solution. This company is ideal for people who are looking to test the functionality, security, compatibility, usability, and performance of the software.

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.


DeviQA is one of the global leaders in Quality Assurance and the Testing market for over 10 years. We are the finalist of the Software Testing Award in the nomination “Best Test Automation Project – Functional.”. Twelve judges choose a few finalists among hundreds of participants around the globe.

Our offerings include QA process design and setup, responsibility for the quality of your project, automated testing for Web / mobile / API, end-to-end testing, user acceptance testing, functional UI automation, automated performance testing, integration testing, SDK test automation as well as full-cycle, performance/load, and stress testing, QA consultancy & Audit, etc.

With extensive expertise in such domains as healthcare, fintech, and banking, cybersecurity, real estate, retail, social and media, education, and travel, we are fans of the integrated approach and using best practices during the implementation of complex solutions.

Reliability, efficiency, and expertise are the core principles of the QA services provided by DeviQA. We pay close attention to the privacy and security of customer data storage and all intellectual property.

To prove that DeviQA is the right partner, we propose a high level of protection for you as our potential client consisting of making a quote, providing the references, conducting a free POC, and finally, a trial engagement.


Based in Boise, Idaho, with 35+ years of software testing experience, QualityLogic understands software and what it takes to ensure the best user experience. Their priority for testing performance is integrating into the process as early as possible to make sure the site functions seamlessly at every level.

QualityLogic verifies your site’s performance at several load levels, both less than and above its design, by creating tens of thousands of virtual users to simulate different loads. They will test at the user interface and at the API call level documenting anomalies and degradations while coordinating with your IT group from beginning to end.


QASource is an India-based quality assurance and testing company. The company has grown rapidly in terms of technological advancements in the past few years. It keeps adding more and more innovative solutions and technology to its list of services. Here are some of the top-notch services it is offering at the moment:

  • Automation Testing
  • Manual Testing
  • API Testing
  • Mobile Testing
  • Security Testing
  • Performance Testing


ImpactQA is a performance testing service provider that helps you to check the overall working of the website and application. This organization offers remote services based on your business need. It enables you to maintain the quality of software with minimal efforts.

This firm helps you to select appropriate hardware and software. It helps to identify testing methodology and performance testing approach. ImpactQA team offers a customized solution that can be in sync with the server and network configurations. It uses a variety of tools like Apache, LoadRunner, JMeter, NeoLoad, Gatling, etc. to perform load testing.

Performance Lab

Performance Lab specializes in software engineering with a focus on testing the performance of enterprise-scale applications and resolving performance “bottlenecks” such as ill-performing API calls, slow database queries, and others. They also provide performance diagnostics and benchmarking, SQL-tuning, Java profiling, synthetic testing of hardware, and code review.

The organization develops a next-generation platform for load testing, boomq.io, that allows developers to release high-performance software faster.


ScienceSoft is a software testing and QA consulting company with 33 years of experience. ScienceSoft USA Corporation was listed among The Americas’ Fastest-Growing Companies in 2022 by the Financial Times.

The company offers an all-around view of software performance by conducting load, stress, scalability, and stability testing. To reduce testing time and adjust testing activities to DevOps best practices, ScienceSoft’s test engineers closely collaborate with the development teams and align the testing activities with the project specifics, tight deadlines, changing requirements, etc.

As part of each performance testing project, ScienceSoft provides a comprehensive defect tracking log, a suite of re-usable performance test scripts, and a final test report with the analysis of found defects prioritized according to their severity.

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