Software Testing

Top 20 Software Testing Companies: Software Testing Services

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List of the best Software Testing Companies in USA and India: Top QA/Testing Service Provider Company 2021 Reviews

Low-code Application Development Company

Are you looking for an independent Software testing service provider company to help improve your IT application quality? After doing in-house research for testing solutions, are you still clueless about improving the quality and performance of your IT application?

Now you don’t need to spend thousands of dollars to build and maintain testing team and process. Instead, you can use cost-effective solutions provided by QA software testing service providers from all over the world. 

We have compiled a list of top 20 software testing companies around the world.

These QA companies can provide you with the best solutions and more control over the process, resulting in higher productivity of your existing teams and releases. Outsourcing testing work to specialized service providers is always the best solution for cost-cutting and building a high-quality competitive product in the market.

List Of The Software Testing Services:

All Manual and automation testing services:

  1. Functional Testing Services
  2. Configuration Testing Services
  3. Web services Testing Services
  4. Acceptance Testing Services
  5. Compatibility Testing Services
  6. Integration Testing Services
  7. Load Testing Services
  8. Security Testing Services
  9. Automation Testing services
  10. Mobile Testing Services
  11. Migration Testing Services
  12. Platform Testing Services
  13. Usability Testing Services
  14. Network Testing Services
  15. QA process design

Top 20 Software Testing Companies

Below is the list of top companies that are specialized in QA testing services only:

#1) Indium Software
Visit the website: Indium Software

#2) A1QA – Software Testing Company
Visit the website: A1QA

#3) QASource
Visit the website: QASource

#4) QualiTest Group
Visit the website: QualiTest Group

#5) TestMatick
Visit the website: TestMatick

#6) DeviQA
Visit the Website: DeviQA

#7) QualityLogic
Visit the website: QualityLogic

#8) TestingXperts
Visit the website: TestingXperts

#9) ImpactQA 
Visit the website: ImpactQA

#10) Apphawks
Visit the website: Apphawks

#11) Aspire Systems
Visit the website: Aspire Systems

#12) QAwerkVisit the website: QAwerk

#13) QAlified 
Visit the website: QAlified

#14) Mindful QAVisit the website: Mindful QA

#15) Abstracta
Visit the website: Abstracta

#16) Global App Testing
Visit the website: GlobalAppTesting

#17) Testlio
Visit the website: Testlio

#18) iBeta
Visit the website: iBeta

#19) Sii Poland
Visit the website: Sii Poland

#20) XBOSoft
Visit the website: XBOSoft

Detailed Review Of The Top QA Companies

#1) Indium Software

Indium Software is a global leader in QA testing services with over 2 decades of experience. They offer a wide range of software testing services for next-gen AI/ML applications. The company has proven experience and expertise working with SMEs, large-scale enterprises, and Fortune 500 clients over the last 20 years.

Indium has been serving clients across several industries including Banking, Technology, Healthcare, Life sciences, Retail, and Education through flexible and scalable delivery models. Indium’s IP led automation framework iSAFE, helps customers in fulfilling their test automation needs.

Headquarters: Cupertino, CA
Founded: 1999
Company size: 1100+

Core Services: Manual Testing, Test Automation Solution & Framework, Performance Testing, Mobile Testing, OS/Browser/Device Compatibility Testing, Cloud Testing, Game Testing – Web, Console and Handheld, FDA, ICD, PCI DSS, Section 508 Compliance Testing, Test Process Consulting, Test Automation, Big data Testing

Service Packages: Get a Quote for pricing details

=> Visit Official Indium Software Website

#2) A1QA


Headquarters: Colorado, USA
Revenue: US $10 M
No. of Employees: 500-1000
Service cost/ packages: Contact them for the quote.

Core Services: Consulting, Test Automation, Web application testing, Mobile application testing, Pre-certification testing, Documentation.

Prominent Clients: Emt, Acronis, Genesys, Croc, GFI, Lanit, ForexClub, QIWI, Adidas, Turkcell, InterCall, Equisys, Kaspersky.

Verdict: Provides result oriented QA services, Full-Cycle testing, Dedicated teams for mid and long-term projects,
Automated testing services.

=> WebsiteA1QA

#3) QASource

Headquarters: California, USA
Revenue: US $5-10 M
No. of Employees: 51-200
Service cost/ packages:  Contact them for the quote.

Core Services: Automation Testing, API Testing, Functional Testing, Mobile Testing, Salesforce Testing, DevOps services and dedicated testing teams.

Prominent Clients: Telespree, Facebook, eBay, IBM, Oracle,, Riverdeep, Prudential.

Verdict: Provides testing solutions as per customer needs and customizable pricing plans.
To provide quality works with the hybrid onsite & offshore model.

=> Visit QASource Website

#4) QualiTest

Headquarters: Fairfield, CT (US)
Revenue: US $80 M
No. of Employees: 1000-5000
Service cost/ packages: Contact them for the quote
Core Services: Cyber Testing, Managed testing services, DevOps Testing, & Many other testing services.
Prominent Clients: Microsoft, Fujifilm, MultiPlan, Avaya, Stratus Technologies.

Website: QualiTest

#5) TestMatick


Headquarters: New York, USA
Revenue: US $1-2 M
No. of Employees: 50-200
Service cost/ packages: Contact them for the quote.

Core Services: Mobile Testing, Automated Testing, Load Testing, QA Recruitment Services, Security Testing, Web Application Testing.

Prominent Clients: Sweetrush, Mediaspectrum, Globale, WebShadow, Marsys, PageSuite, SpiralScout, DCV technologies.

Verdict: It provides its services to many industries like banking and healthcare. It has customizable testing processes and flexible QA outsourcing business, models.

Website: Test Matick

#6) DeviQA

Headquarters: Kiev, Ukraine
No. of Employees: 10-100
Service cost/ packages: Contact them for the quote.

Core Services: Web application testing, Mobile application testing, Automation testing, Performance testing, QA consulting and audit.

Prominent Clients: InGo, FindHotel, expressHR, XOLA, BusinessApps.Verdict: It provides full-cycle QA services.

Website: DeviQA

#7) QualityLogic

Headquarters: California, USA
Revenue: US $9-10 M
No. of Employees: 100-200
Service cost/ packages: Contact them for the quote.

Core Services: Mobile & web application testing, Automation Testing, API Testing, Big Data Analytics & Telemetry.

Prominent Clients: Cisco, At&t, Verizon Wireless HP, HighTail, openADR, eHarmony, Hawaiian Electric, Adobe.

Verdict: Offers flexible service model, On-shore support & Ongoing ROI.

Website: Quality Logic

#8) TestingXperts

Headquarters: Mechanicsburg, US
Revenue: US $10-25 M
No. of Employees: 1000-5000
Service cost/ packages: Contact them for the quote.

Core Services: Functional & Non-functional testing, Test advisory and consulting, Some specialized Testing services like Data migration testing Mobile application testing.

Prominent Clients: Clients from banking, financial services, insurance, retail/e-commerce & healthcare industry.

Verdict: Offers flexible solutions as per needs. Perfect in keeping time which offers on-time delivery. ISO certified company.

Website: TestingXperts

#9) ImpactQA

ImpactQA provides a full suite of continuous and automated testing services performed throughout the Software Development Life Cycle. The team at ImpactQA applies both domain-specific and client-oriented testing processes and tools to deliver reliable and quality software products.

Empowered by 10 years of excellence, the company has been delivering testing solutions to multiple business domains, such as fintech, healthcare, start-ups, education, media, and others.

Headquarters: New York, USA
Founded in: 2011
Employees: 250 – 999
Revenue: $5 – $10 M

Core Services: Full Cycle Software Testing, QA Consultation, Test Automation, Mobile Application Testing, Security and Penetration Testing, Functional Testing, Performance Testing, Web Application Testing, DevOps Testing, AI Testing, Blockchain Testing, Medical Device Testing and more.

Clients: Schneider Electric, Panasonic, Deloitte, Rocket Internet, Yum Brand, Terex, NYRR.


  • Strategically designed test cases and consistent test coverage
  • Complete focus on business and technology-based testing
  • Offer combinations of onsite, onshore, off-shore and crowd testing at a reduced cost
  • Tailored approach to support agile and continuous testing environment
  • Expertise in testing companies from SMEs to Fortune 500

=> Visit ImpactQA Website Or Schedule A Free Consultation

#10) Apphawks

Headquarters: Pila, Poland, Europe
No. of Employees: 1-10
Service cost/ packages: Flexible pricing options.

Core Services: E-commerce Testing, Manual Testing, Automated Testing, Functional & Non-functional testing, Web Application Testing, Mobile Application Testing, QA Outsourcing.

Prominent Clients: Auctions Online Scandinavia, Simple Auction Site, VMS Software Solution, Collectors Weekly.

Verdict: Expert in e-commerce testing, Agile methodology, long-term contracts, dedicated QA, all workers located in Poland.

=> Visit Apphawks Website

#11) Aspire Systems

Head Quarters: Illinois, USA
Founded in: 1996
Employees: 3000+
Revenue: $100mn

Core Services: Managed Testing Services, Cloud Testing, Automated Testing, Manual Testing, Mobile App Testing, IOT Testing, SOA Testing, Big Data, and Analytics Testing, API Testing, Performance Testing, Security Testing, User Experience, QA to QE Transformation, Agile and DevOps Testing and Retail Testing that includes Ecommerce Testing, POS Testing and Store Operations Testing.

Clients: Pearson, Salesforce, Standard Chartered, HotTopic, and many more.

Verdict: Aspire offers its Hyper-Testing model of managed testing services to Hi-Tech and Software segment, Enterprises, and Retailers that are struggling to maintain good quality and be cost-effective, and agile at the same time. Aspire provides cost-effective testing services with improved time to market and reduced test efforts.

=> Visit Aspire Systems Website

#12) QAwerk

Headquarters: Kyiv, Zaporizhia
No. of Employees: 50-100
Service cost/ packages: Contact them for the quote.

Core Services: Mobile application testing on Android and iOS, Web application testing, Game testing, Documentation, and technical writing.

Prominent Clients: Market One, Cygnet Cloud, Hosting, Clear Data, Unfold, Elsewhen
Verdict: Can find complex errors. A different approach to every project.

Website: QAwerk

#13) QAlified

QAlified – Core Services: Application Testing, Performance Testing, Test Automation, Security Testing, Usability Testing, Accessibility Testing, Consulting, and Workshops.

QAlified is a software testing and quality assurance company specialized in solving quality problems by reducing risks, maximizing efficiency, and strengthening organizations.

An independent partner to evaluate software quality with experience in different technologies for any type of software. With more than 600 projects in Banking, Financial Services, Government (Public sector), Healthcare, and Information Technology.

#14) Mindful QA

Headquarter: Los Angeles, CA (all workers located in America)
No. of Employees: 50-200
Service cost/packages: On-demand, simple hourly pricing with no long-term contracts required.

Core Services: Manual Testing, Automated Testing, Performance Testing, API Testing, iOS & Android Mobile App Testing, Software Testing, Website Testing, QA Recruitment, User Experience, QA Process Optimization, and Agile Consulting for businesses of all sizes.

Prominent Clients: Google, BMW, Mott’s, Zillow, H&R Block, Discovery, Microsoft, Taco Bell, Volkswagen, Mission Minded, and many more.

Verdict: Ethical QA company with reliable Agile QA testers available quickly, whether you need 20 hours or full-time. A flexible process with testers that can join your standups, Jira, and Slack as desired. Founded by QA professional with 10+ years of experience, named “Top 50 Tech Visionary of 2019.”

Website: Mindful QA

#15) Abstracta

Headquarters: San Francisco, USA
No. of Employees: 115
Service Cost/ Packages: Contact them for the quote

Core Services: Software Testing, Test Automation, Performance Testing, Accessibility Testing, Mobile Testing, Tool Development, Test Management, Crowdsourced Testing Management

Prominent Clients: BBVA Bank, Shutterfly, Benefit Cosmetics, Verifone, Broadcom, Heartflow, Threads, PedidosYa, Pernod Ricard.

=> Visit Abstracta Website

#16) Global App Testing

Headquarters: London, UK
Revenue: $2.6 M
No. of Employees: 51 to 200

Service Cost/Package: There are three packages, Starter ($2900 per month), Scale ($5200 per month), and Enterprise ($15840 per month)

Core Services:  Crowdsourced QA Testing, Research, and Mobile App Testing.

Prominent Clients: Evernote, Craigslist, Depop, Facebook, Instagram, WhatsApp, Microsoft, LiveSafe, and Spotify, etc.

Verdict: Global App Testing has specialties in mobile app testing and crowdsourced testing. It has tested more than 6900 applications and also considered as the fastest-growing company.

Website: GlobalAppTesting

#17) Testlio

Headquarters: A distributed company with employee clusters in Austin, the Bay Area, and Estonia.
Revenue: US $10M – $20M
No. of Employees: 50-100

Core Services: Mobile Testing, Functional Testing, Usability Testing, Localization Testing, Payments Testing, Location Testing, Exploratory Testing, Regression Testing, Automated Testing.

Prominent Clients: Amazon, American Express, CBS,, Microsoft, the NBA, etc.

Verdict: Top-quality testers around the globe; only 3% of testers accepted into the network. Offers a variety of managed and co-managed testing options.

=> Visit Testlio Website

#18) iBeta 


iBeta Quality Assurance has been providing critical outsourced software testing services for the world’s most trusted brands since 1999. Customers range from Fortune 500 companies to small start-ups and are located around the world. All work is conducted in a fully equipped 40,000 sq ft lab in Denver, Colorado.

Headquarters: Colorado, USA
Founded in: 1999
Revenue: US $5-10M
No. of Employees: 51-200

Core Services: Manual testing, Automated testing, Load and Performance testing, Mobile testing, Website testing, Accessibility testing, e-commerce testing, Biometrics testing, EPCS certification, and Overall quality assurance.

Clients: Hasbro, Ricoh, Express, Quiznos, Pitney Bowes, Gold’s Gym, Jawbone, Irisguard, DaVita, Sandia National Laboratories, US Department of Homeland Security, US Drug Enforcement Administration, and many more. Most work is conducted under non-disclosure agreements that prohibit disclosure of client names.


  • Functionality: iBeta will explore the functionality of your mobile application or responsive website and produce clear, useful bug reports.
  • User experience: Will analyze the user experience of your website or mobile application across all applicable devices and mobile operating systems.
  • Continuous communication: iBeta’s teams will adapt to your development process to get you the right feedback on your mobile testing project at the right time.
  • Real devices: Conducts mobile testing on a wide variety of hardware, operating systems, and browser versions on different carriers (no emulators).
  • Huge inventory: iBeta’s lab is stocked with hundreds of different phones and tablets and are always adding more to keep the selection of mobile devices current.

=> Visit iBeta Website

#19) Sii Poland

Sii provides easy-to-implement testing services, allowing the client to improve their business results. With Sii, the costs are optimized, the testing process is accelerated, and time to market is reduced. Moreover, their experts can support your team in testing activities of your choice.

They offer:

  • Manage Test Service: They take complete ownership of all testing processes and activities, so you can concentrate on your main business goals. They take over team set up and skills, project peaks and troughs, tool selection, test management, and execution.
  • Automated software testing: They automate tests of all types of applications, from web and mobile to desktop and API.
  • Tricentis Products services and implementation: They support Tricentis Tosca, QTest, LiveCompere implementation; Delivering tailored services with Model-Based Test Automation, scope definition, and optimization, Risk based approach, etc.
  • Test automation process audit: With over 300 test development experts and 250+ projects carried out, they have considerable experience and knowledge on how to select the right test automation solution to achieve your business goals.
  • Performance testing: They deliver non-functional testing like Load, stress, endurance, and volume testing; and make sure that your systems will work under normal conditions or extreme peeks.
  • Embedded testing: They deliver top-quality embedded testing solutions to various industries like automotive, medical, rail, and other required compliance with the highest performance and security standards.

Headquarters: Warsaw, Poland
No. of Employees: 

Core Services: Continuous testing, Test automation, Performance testing, Web security testing, Embedded testing, Managed Test Services Partner.

Prominent Clients: DPD Group, Leica Geosystems, Roche, Sabre, NXP, Puma, Reckitt Benckiser, Ingenico Group, Scalepoint.

#20) XBOSoft

XBOSoft logo

Headquarters: Reston, Virginia
No. of Employees: 51-200

Core Services: QA Consulting, Software Testing, Web Application Testing, Mobile Application Testing, API Testing.

Verdict: From quality assurance assessments and advice on best practices to implementing process improvements followed by flawless execution, XBOSoft raises the quality of your software throughout the entire lifecycle.

Website: XBOSoft