Are you looking for an Top Automation testing companies in USA to help improve your IT application quality? Access the list of top automation testing companies from the research group of TowardsQA in a click. 

If you decide to outsource automation testing, you need to decide which company will do this. Based on companies’ expertise, vision and mission, and strong testing infrastructure, we at TowardsQA have compiled a list of the Top automation testing companies. We hope it will help you to choose the one among top automation testing companies.

10 Most Popular Top Automation Testing Companies USA

  • Indium Software
  • Testingxperts
  • Qamentor
  • Qasource
  • Scnsoft
  • Testrigtechnologies
  • Codoid
  • Qainfotech
  • Deviqa
  • Testlio

Top 10 Best Automation Testing Service Providers

Given below is a list of the top automation testing services companies in the market.

Indium Software

Indium Software – Leading QA Company with propriety Test Automation framework.

Indium is one of the leading Software Testing companies and offers a wide range of services for various platforms and operating systems. Being a thought leader in Test Automation, Indium helps clients overall testing efforts by reducing velocity and time-to-market resulting in significant ROI.

Indium’s IP based framework iSAFE is a customizable and portable software testing framework for mobile and web applications, which can be seamlessly plugged into any automation tool.

The company’s team of highly qualified and experienced testers work on our client’s requirement offering business-critical testing services using open source and commercial automation tools.

Best for end-to-end software testing for SMEs, large-scale enterprises and Fortune 500 clients.

Headquarters: Cupertino, CA
Founded: 1999
Company size: 1000+
Prominent Clients: BP Logix, eXP Realty, Implan.

Core Services: Test Automation, Mobile Testing, Functional Testing, Performance Testing, Security Testing, Integration & System Testing

Service Cost & Packages: We offer flexible pricing models. Please get in touch for details


TestingXperts (Tx) is a next-gen QA & Software Testing Services provider co-headquartered in London, UK and PA, USA with test labs across US, Europe and offshore test labs in India. TestingXperts’ comprehensive suite of testing services covers Test Advisory, Functional and Non-Functional testing specializing in Automation, Digital, DevOps, Agile, Web, Mobility, AI/ML, RPA, Blockchain, IOT and Big Data to name a few. Tx is pioneering the next-gen Continuous Testing practices with a team of modern testers focused on test automation, CI/ CD and shift left methodologies.

With its in-house testing solutions, global pool of skilled testers, specialist testing approach and global delivery model, TestingXperts is helping its clients transform their QA function to dramatically reduce production defects, reduce QA cycle times up to 80% and lower overall QA costs up to 60%. Tx partners with leading organisations ranging from start-ups to large enterprises across various industries globally to deliver ‘ready for business’ systems.

TestingXperts is an ISO 9001:2015 & ISO 27001:2013 certified company. TestingXperts has been positioned as a ‘Leader’ in NelsonHall’s 2019 NEAT Chart, and mentioned in EVEREST PEAK metrics.

TestingXperts is a Great Place to Work-Certified™ company.


QA Mentor is multi-awards winning a CMMI Level 3 SVC + SSD v1.3 appraised, ISO 27001:2013, ISO 9001:2015 and ISO 20000-1 certified leading software testing company headquartered in New York. With 312 global QA resources in 6 different countries offering more than 30 QA Testing Services and covering all time zones, QA Mentor is a global leader in Software Quality Assurance and Testing space. Serving 427 clients from Fortune 500 to start ups in 28 countries, QA Mentor supports applications in 9 different industries. With unique products propositions from a crowdsourcing platform with a pool of 12,000 crowdsourced testers to a test management platform, unique and economical services offerings and QA education from e-learning and corporate training, QA Mentor continues its growth, expansion and footprint around the globe.


QASource exists to help organizations like yours enjoy the benefits of a full QA department without the associated setup cost and hassle.  We deliver high-quality QA outsourcing services using a hybrid onsite-offshore model that combines offshore technical talent with U.S. management and QA engineers embedded in our clients’ engineering departments — enabling them to avoid the risks that often accompany a remote testing team. With emphasis on time-bound delivery and customized solutions, we excel at helping our partners manage the quality of their deliverables while keeping costs low. In addition to QASource’s dedicated team model, QASource’s portfolio of companies includes QAOnDemand (flexible, pay-as-you-go services) and MyCrowd QA (crowdtesting).


Founded in 1989, ScienceSoft is a US-headquartered provider of IT consulting services and custom software development. Among our customers are Walmart, IBM, Nestle, eBay and NASA JPL, as well as many other large and midsize organizations located internationally.

• 700 in-house IT experts and a partnership network of 700 more technology professionals located internationally

• ISO 9001 and IEC 62304 compliant processes

• 31 years in IT business We are a go-to vendor for custom and platform-based development in the areas of CRM, Data Analysis, Collaboration & Knowledge Management and Information Security.

Testing and quality assurance services are broadly represented in our portfolio as well as 24/7 support for IT infrastructure and applications.

ScienceSoft is a trusted partner of IBM, Microsoft, Magento, ServiceNow and Oracle. Our business achievements are recognized by prestigious statuses, including 2018 Global Leader awarded by Clutch and Recommended Custom Software Provider awarded by Forrester.


We help companies to deliver a Quality product! With our QA & Testing services, we’ll understand your QA needs, evaluate your current QA process, provide best solutions, put expert resources to their best use, best services at highly competitive price and deliver a quality product to your users.

We’re all about saving you time and money and making your company an efficient goal-breaking machine. HOW WE CAN HELP – IN-DEPTH RESEARCH of your Product, QA requirement and Current Process so, we can provide the absolute best possible, flexible and complete Testing Solutions.

– DELIVERING the right skills at the right time throughout the project and in the right amount, on-demand.

– TRIAL PERIOD where you can get a firsthand of our services and then decide. – WORK as an extension of your existing team HOW WE DO IT DIFFERENTLY We take a brutally honest and refreshing approach to Software Testing services.

We’re always working to find you the right solution and by seeking our software testing services, you are not just only saving huge amount of money and time, but you focus more on growing your company and aiming to be successful in your business.


Codoid – A leading QA Company.

Best for providing testing solutions to different sized companies.

Codoid is a QA company that offers services for Automation testing, Mobile testing, Performance testing, and QA outsourcing services.

Founded in: 2012
Revenue: Around $6 Million.
Company size: 51-200 employees.

Prominent Clients: Codoid has more than 60 clients worldwide which include telecom company, Vehicle manufacturer, E-Learning company, and Financial Company.

Core services: Quality Assurance, Automation Testing Services, Performance Testing, Agile Testing Services, Regression Testing, and Selenium Testing services.

Service cost/ packages: Codoid provides a flexible pricing model. Detailed pricing information is not provided by the company.


QA InfoTech Software Services Private Limited is among the world’s leading providers of Independent Software Quality Assurance & Testing services, specializing in providing high-quality unbiased testing services to organizations across USA & UK including many Fortune 500 companies.

We are CMMi Level III and ISO 9001: 2015, ISO 20000-1:2011, ISO 27001:2013 Certified Company. We have been ranked amongst the 100 Best Companies to work for in 2010 and 2011 & 50 Best Companies to work for in 2012 , Top 50 Best IT & IT-BMP organizations to work for in India in 2014, Best Companies to work for in IT & ITeS 2016 and a certified Great Place to Work 2017-18.

The organization has grown leaps and bounds since its inception in 2003 with its headquarters in Noida, India and operations in Bangalore and the US as well, with a team of 1400+ Quality Engineers and domain experts.

The gamut of services that we offer include: Functional, #Performance/Load testing, Test Automation, #Accessibility , Usability , #Mobile App Testing, Courseware & Content Testing, Data Sciences & Analytics, Security, Translation & Localization/ Globalization Testing. With our expertise of more than a decade and engagement with innovation as well, we are considered as “Thought Leaders”​ in Test Automation & Performance Testing using open source technologies like JMeter, Selenium, etc., by providing customized solutions to our partners.


DeviQA is a leading software testing company that entered the IT market in 2010. The main activity of the company is quality assurance and software testing – the company provides a broad spectrum of up to 13 software testing services such as Full-cycle Testing, Web App Testing, Automated Testing, Mobile App Testing, API Testing, Dedicated QA Team, QA Outsourcing and others. The team can perform both full-cycle software testing to run a quality product or concentrate only on one kind of testing services by clients’ requirement. 

DeviQA works with customers all over the world, and, since 2010, the company has performed over 500 successfully tested applications.

The company selects a unique team for each project, which:

 – gives people the opportunity to enjoy the product by making sure everything works well;

– controls the development process;

– prevents bugs in the software before users find them;

– ensures the quality of the product before the release.


Testlio – Quality apps for real-life moments that matter.

Best for testing as a service model.

Testlio is a software testing company that offers QA services for Mobile Testing, Functional Testing, Localization Testing, and Automation Testing.

Founded in: 2012
Revenue: Around $4 Million.
Company size: 51-200 employees.
Prominent Clients: Microsoft, Etsy, Fox, NBA,, CBS Interactive, STRAVA, and CW.
Core services: Mobile Testing, Functional Testing, Localization Testing, and Automation Testing.
Service cost/ packages: Information about pricing packages is not disclosed by the company.