Looking for top software testing companies in the USA? On the off chance that software needs to be useful for use, it needs to finish different arrangements of the QA assessments. After every QA stages of testing, the application goes for bug fixing. In the wake of understanding the mistakes, the product is rerun through the tests. This procedure proceeds until the application runs easily and without bug.

With the expanding number of software testing firms in the USA, it turns out to be difficult to assess and choose the perfect organization. To assist you with having the best software testing services or solutions for your business, DataWider has curated this list of software testing companies after broad research dependent on their client reviews, quality, loyalty, flexibility and capacity.

List of 10 Most Promising Best Software Testing Companies USA

  •  DeviQA
  • Cigniti Technologies Limited
  • TestingXperts
  • Indium Software – Independent QA Services
  • TestFort
  • QA Mentor
  • QATestLab
  • ScienceSoft
  • QualityLogic
  • TestMatick
  • ThinkSys

We should see a few insights regarding these companies.


DeviQA delivers the highest quality results for you and your customers.

DeviQA has been supporting customer success stories for over ten years, protecting and safeguarding our customers’ brand and hard-fought reputation through best-in-class testing and quality assurance services.

The DeviQA team specializes in fast-fill resources, allowing you to rapidly assure your product and protect your brand without the costly overheads of hiring in your local market. Their highly flexible approach to contracting means your costs are transparent, capped, and with no ‘gotchas’, with commercial models that include fixed price, time and materials, and dedicated resources to suit you.

Cigniti Technologies Limited

Cigniti Technologies Limited, Global Leaders in Independent Software Testing Services, is headquartered at Hyderabad, India. Cigniti’s team of 2,100+ professionals is spread across US, UK, India, Australia, & Canada. Cigniti is the World’s 1st Independent Software Testing Services Company to be appraised at CMMI-SVC v1.3, Maturity Level 5 & is also ISO 9001:2015 & ISO 27001:2013 certified. Cigniti’s test offerings include Quality Engineering, Advisory & Transformation, Digital Assurance, & Quality Assurance solutions.

Over the last decade, Cigniti has helped Enterprises & ISVs build quality software while improving time-to-market & reducing cost of quality. Cigniti has translated its R&D into BlueSwan, the next generation & proprietary test platform that comprises of 5 elements – Verita, Velocita, Cesta, Praxia & Prudentia that complement the existing QA & QE tools of enterprises. Cigniti has India’s first of its kind Robotics Test Lab, a Mobile Cloud Test Lab with HP & Experitest, a Cloud-enabled Performance Test Lab, & an IoT & Smart Meter Lab.

Experts In: Software Testing, Quality Assurance, Quality Engineering, Microsoft Gold certified Partner, Advisory & Transformation, Next Generation Testing, Mobile Testing, Security Testing, Agile Testing, DevOps QA, and Test Automation


TestingXperts is a Next-Gen QA & Software Testing Company. Through our innovative techniques, we are pushing the conventional norms of Quality Assurance and blending technology to yield remarkable deliverables. We are also an ISO 9001:2015 & ISO 27001:2013 certified company.

TestingXperts has been positioned as a ‘Leader’​ in NelsonHall’s 2019 NEAT Chart


  • Finalist – The North American Software Testing & QE Awards 2019
  • Finalist – DevOps Industry Awards 2019
  • Proud Winner of ‘Service Provider of the Year’ award at the GSA Global Sourcing Awards 2018
  • Finalist GSA UK 2018
  • Finalist European Software Testing Awards 2018
  • Finalist European Software Testing Awards 2017

Leveraging holistic knowledge of core business processes & software development; our comprehensive suite of testing services covers functional and nonfunctional testing, professional expertise for cloud and mobile technology. Our customer centered approach assists enterprises in thriving in ever advancing market through breakthrough solutions.

Experts In: Software Testing, Test Advisory Services, Mobile Testing, Cloud Testing, Performance Testing, Automation Testing, IoT Testing, Blockchain Testing, Quality Engineering, Quality Assurance, Next Gen Software Testing, DevOps QA, Digital Testing, Agile Testing, and Security Testing

Indium Software

Indium Software is a technology solutions company committed to delivering exceptional, customer-centric solutions across Big Data Engineering & Analytics, Product Development and Independent QA.

Independent Software Testing/QA – Offer end to end software testing services that include Test Automation, Performance Testing, Compatibility Testing, Security Testing for enterprise applications across multiple domains, fostered by IP-led innovation.

Big Data Engineering – Setup & configure big data platforms, build data warehouse, data lake and BI platforms. Enable migration from on-prem to cloud (AWS, Google Cloud, Microsoft Azure ) to optimize total cost of ownership (TCO).

Data Analytics – Analytics from data visualization & dashboards to AI & ML based Advanced analytics such as text, image and voice.

Product Development – offer full stack Java development and UI/UX using node JS and react JS. Low code development expertise in Mendix and Alpha Software. Also, we have experience building ICO platforms and writing smart contracts in Solidity.

We operate through our registered offices in California & New Jersey in the US, Singapore and Kuala Lumpur, Malaysia. Our Global Delivery Centers are located in Chennai & Bengaluru in India.

Indium has strong solutions competency in Banking, Technology, Healthcare, Lifesciences, Retail, Education and Gaming industries.

Experts In: Test Automation, Performance Testing, Compatibility Testing, Cloud Testing, Big Data Engineering, Predictive Analytics, Descriptive Analytics, Deep Learning, Machine Learning, API Testing, Text Analytics, Mendix Development, Data Warehousing, Image & Video Analytics, Blockchain Development, Alpha Software Development, Software Testing Services, Data Analytics Solutions, Big Data Consulting, and Product Development Company


We are a known leader from the software testing, QA and QC industry, a recognized and trusted partner to giants as Skype, AOL, The Huffington Post and many others. We test code to its last symbol and beyond, thus ensuring nothing, except for quality is introduced to your end-user. We are your best rational choice if actual 100% quality is required!

Experts In: Automated and manual software testing, dedicated testing teams, QA/QC support, and others

QA Mentor

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 256 global QA resources in 8 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 260 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.

Awards & Recognition:

  • Winner in Most prestigious Category Leading Vendor Award by European Software Testing Awards
  • 10 Pure Mobile Testing Services Providers by Gartner
  • 10 Best Performing Testing Solution Providers by Insight Success Magazine
  • 10 Best QA and Testing Solution Providers by Mirror Review Magazine
  • 10 Top Automation Testing Solution Providers – by CIO Applications Magazine
  • 10 Top QA Testing Companies by Technology Widgets Magazine
  • Company of The Year by The Technology HeadLines Magazine
  • Best Software Quality Assurance Provider USA by Global 100 Awards
  • Best Testing Services Provider North East USA & Excellence Award for Audit Services by TMT News Magazine
  • 20 Most Promising QA/Testing Providers by SiliconIndia magazine
  • Most Outstanding Quality Assurance Providers
  • Best Quality Assurance Testing provider in US -by TMT-News
  • 25 Best QA Companies by Enterprise Outlook Magazine
  • 20 Most Promising Testing Companies by CEO Magazine
  • Brand of the Year Award by SiliconIndia Magazine
  • 25 Most Promising QA Vendors Award by Outsource Gazette
  • 20 Promising QA Testing Providers from CIO Review Magazine Award

Experts In: Quality Assurance & Testing, Capacity Planning, Automation Testing, QA Audit & Process Improvement, Performance Testing, Testing on Demand, Performance Optimization, Crowdsourced Testing, Security Testing, Compatability Testing, QA Advisory Consultancy, Agile Testing, Big Data, Internet of Things, Localization Testing, Disaster Recovery, Failover Testing, Game Testing, Functional Testing, Integration Testing, UFT, QTP, LoadRunner, TestComplete, SoapUI, Jmeter, and Blazemeter


QATestLab is an independent provider of QA and testing services. Our services help customers eliminate the barriers between great ideas and their high-quality realization.

Providing an objective and unbiased quality assessment, we ensure a balanced ratio between services and their quality. We have a wide range of devices, tools and equipment that eliminate expense on test configuration and make a product meet the market requirements and end users’ expectations.

Based on 12-year experience in software testing, we are able to ensure a quick start of the project. We perform a wide range of services that include but is not limited to Functional, Regression, UX / Usability, Compatibility, Configuration, Integration, System, Localization, GUI, Penetration and Performance Testing. Also, our services include Test Documentation, Test Management and Consulting.

Our dedicated teams conduct the quality assessment of games, web and mobile applications, cloud-based solutions, desktop applications, IoT products, Magento-based solutions, Voice Technologies, M-commerce solutions, and VR solutions.

Experts In: QA Processes, Near Shore & On Shore Staffing & Team Building, Mobile Applications Testing, Tests Automation, Performance Testing, Tests Planning and Execution, Security & Data Integrity Testing, Release & Regression Testing, Game Testing, and Compatibility Testing


ScienceSoft is a leading software testing and QA services vendor headquartered in McKinney, US. ScienceSoft is an ISO 13485-certified company with a mature testing process compliant with ISO 9001:2015 and respect to test artifacts required by IEEE 829-2008. The company’s professional team, which includes ISTQB-certified test engineers, is proficient in testing functional and non-functional (performance, usability, compatibility, security) aspects of software for 10+ industries.


  • Top 50 Software Testing Companies by The Manifest.
  • Top Software Testing Companies to Work with in 2020 by Kualitatem.
  • Top US Software Testing Companies 2020 by Readdive.
  • Top Test Automation Companies 2019 by Viral Rang.

Experts In: QA outsourcing, managed testing, test automation, QA consulting, quality assessment.


QualityLogic delivers full spectrum QA products and services to technology companies in rapidly evolving markets, or where transformative technologies are changing the world. QualityLogic is a highly respected provider of test products and QA test and engineering services. The Company provides a flexible menu of services that scale to meet customers’ evolving needs. QualityLogic’s customers include technology companies around the world in a wide range of industries.

  • Companies of all sizes, in multiple markets look to QualityLogic to ensure the quality of their software applications, from media and entertainment to healthcare.
  • The Smart Energy market relies on QualityLogic for interoperability test tools and services.
  • The Imaging markets (Printer, Software and 3D Printing) rely on QualityLogic test solutions to validate their products’ performance, conformance to industry standards, and interoperability.

Experts In: Software Testing, Software QA, Mobile App Testing, Web Testing, eCommerce Testing, Streaming Media, Print System Testing, API testing, Fax over IP Testing, Smart Grid testing, Agile QA, QA Test Tools, Functionality Testing, Performance Testing, Interoperability Testing, 3D printer testing, and Quality Assurance


TestMatick is a leading provider of QA services. Offering more than 20 types of QA services, we can cover absolutely every need in testing. We have deep expertise in various spheres: finance, banking, e-commerce, education, healthcare, entertainment, telecom, travel, aviation, natural resources and others.

Our strong team of test engineers can start testing your project of any complexity within 24 hours.

Convenience for TestMatick`s customers consists in the proper mix of technical skills of the team, understanding of the business process, special industry knowledge, professionally built testing processes and methodology.


ThinkSys, an award-winning technology company, is a leading provider of Software Development, QA and ITservices. Based in Sunnyvale, CA and offices in NOIDA, India. ThinkSys serves clients worldwide.

We have been recognized among the fastest growing private companies in the US (Inc5000 2016), the “Most Exciting”​ companies in Asia(Red Herring Asia 100) & the “Best Emerging Software Company in Delhi NCR (India) “​. ThinkSys delivers a wide variety of comprehensive end-to-end services that combine power, functionality, and reliability with flexibility, agility, and usability.

Our broad portfolio of service offerings includes software development, user interface design, and architecture planning, as well as quality assurance, implementation, deployment, maintenance, and documentation support. Through the efficient execution of these services, we can create robust, cutting-edge custom technology applications that most effectively address the unique business needs of our customers.

At ThinkSys, we strive to achieve 100% customer satisfaction and pride ourselves on our ability to produce solutions of unparalleled depth and quality. Our software solutions are designed and built by talented developers who possess decades of relevant experience, using proven development processes and methodologies. Additionally, our services are delivered by a team of highly skilled and motivated consulting professionals who are committed to helping our customers optimize performance and productivity, realize immediate value, and achieve rapid return on investment.

Experts In: Google Analytics, .Net Development, Selenium and Appium Testing, Cloud Computing, eCommerce, Software Testing, Java Development, MEAN Stack Development, Support & Maintenance Services, Mobile Apps Development, Machine Learning, Blockchain, IOT, Java Script, Python, MySQL, AI, Functional Testing, Performance testing, Usability Testing, IoS App development, Android Apps Development, Digital Marketing, DevOps, and Full Stack Development


Utilize this top 10 software testing service providers to limit your search and start QA process implementation for your company. Regardless of how big or small, every plan of action will without a doubt profit by this advance QA process.


He has a demonstrated history of working in the information technology and services industry. He likes to discuss software testing, big data, and latest digital trends. Apart from work, he enjoys watching movies, listening to music and clicking pictures with his DSLR.

1 Comment

  1. Thanks for taking the time to write this post. im in the same business as well

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