Top 20 Software Testing Services In 2021: Software Testing Companies

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

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.

software testing service provider companies

These QA Vendor 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

Best Software Testing Service Providers Companies

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Top 20 Companies Providing Testing and Quality Assurance Services

Note: There are many big corporate companies providing testing services along with other core software development services.

List of corporate companies who are into all IT services including Testing services:

#1) ScienceSoft – Core Services: Software Testing & QA, Manual Functional and Integration Testing, Test Automation.

In software testing services since 1989, ScienceSoft is proficient in testing complex software, e.g., SaaS applications, enterprise solutions (ERP, CRM, financial systems, etc.) and their integrations, entire enterprise software ecosystems.

Their testing professionals have accumulated knowledge of specific standards in such industries as manufacturing, retail, wholesale, logistics, professional services, healthcare, etc.

ScienceSoft delivers UI & API functional, integration, compliance, security, performance, and usability testing within optimal testing budget and time.

#2) QASource – Core Services Automation Testing, API Testing, Functional Testing, Mobile Testing, Salesforce Testing, DevOps services, and dedicated testing teams.

QASource is a leading software engineering and QA services company providing a full suite of QA testing services to help you release better software faster.

With a team of over 800 engineering experts located in both offshore and nearshore locations, it has been providing software testing services to help Fortune 500 companies and startups since 2002. A few of its clients include Ford, Oracle, Prudential, eBay, Target, Facebook, and IBM.

#3) Itransition Core Services: QA and Testing, Consulting, App development, DevOps.

Full-cycle Independent QA and Managed testing Services for web, desktop, mobile apps, server-side systems, and devices.

#4) Oxagile – Core Services: Software Testing, Automation Testing, QA consulting, Security and Mobile Testing, in-house QA automation framework.

Oxagile is a full-fledged software testing company with a comprehensive service offering that includes managed testing services, dedicated quality assurance, and QA consulting. Underpinned by cross-domain knowledge, the firm demonstrates its excellence in testing complex high-load solutions.

Also, Oxagile’s proprietary automated testing framework allows cutting testing costs, accelerating time to market, and improving software quality.

#5) QAwerk – Core Services: Web Application & Website Testing Services, Manual Testing, Test Automation, Mobile Testing, Web Testing, Desktop Testing, Security and Penetration Testing, Game Testing, Documentation, and Technical Writing.

Delivering quality solutions since 2015, QAwerk has gained expertise in Media & Entertainment, Education, Healthcare & Wellness, Fintech, E-Commerce, and Gaming.

The agency specializes in testing SaaS products and their components, which means they can assist with testing frontend, backend, mobile apps, and API integrations. Having two R&D offices, QAwerk also provides team extension services.

QAwerk has become a trusted tech partner for clients from the USA, the UK, France, China, Australia, and New Zealand.

#6) Infosys – Application development, testing, security, AI, and Blockchain.
#7) TCS – Software Development and testing for enterprises.
#8) Hexaware – Digital testing, Agile, Mobile testing.

Best Software Testing Companies Worldwide

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

#1) QA Mentor
Visit the website: QA Mentor

#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) TestFort
Visit the website: TestFort

#12) QAlified 
Visit the website: QAlified

#13) Mindful QA
Visit the website: Mindful QA

#14) Abstracta
Visit the website: Abstracta

#15) Global App Testing
Visit the website: GlobalAppTesting

#16) Testlio
Visit the website: Testlio

#17) iBeta
Visit the website: iBeta

#18) XBOSoft
Visit the website: XBOSoft

#19) ScienceSoft
Visit the website: ScienceSoft

#20) Sogeti
Visit the website: Sogeti

#21) LogiGear
Visit the website: LogiGear

#22) AdactIn Group
Visit the website: Adactin

#23) Infostretch
Visit the website: Infostretch

Best Software Testing Companies In India

Indian software testing companies have made a global mark with excellent services. Here is the list of a few companies providing excellent QA testing services.


An independent Software Test Consulting and Services company. Powered by a workforce of 30 proficient QA professionals and average 12+ years of experience in the field of software testing, they aim to provide a complete range of software testing services, while keeping customer satisfaction at its core.

Visit the website: TESTRIQ

#2) BugRaptors

BugRaptors is one of the leading software testing companies in India and the US operating since 2016.

Offering a wide range of QA services under four main categories such as Standardized QA Services, Specialized QA services, and Test Advisory Service including next-generation testing solution viz. AI/ML testing, Data analytics testing, etc.

They have a resource pool of 200+ ISTQB certified testers serving across countries. BugRaptors has been serving clients across multiple industries with custom engagement and delivery models.

They have a well-equipped advanced testing lab with 200+ dedicated devices. From mobile device labs to IoT device labs, Bugraptors has a strong hold over all sorts of testing techniques.

Visit the website: BugRaptors

#3) 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.

Visit the website: Indium Software

#4) QA InfoTech
Website: QA InfoTech

#5) Cigniti
Website: Cigniti

#6) Thinksoft Global
Website: Thinksoft Global

#7) CredibleSoft Technology Solutions
Website: CredibleSoft

#8) PureTesting
Website: PureTesting

#9) 360Logica
Website: 360Logica

#10) QAHub
Website: QAHub

#11) Moolya Software Testing
Website: Moolya Software Testing

Detailed Review Of The Top QA Companies

#1) QA Mentor


Headquarters: New York, USA
Revenue: US $5-6 M
No. of Employees: 200-500

Service cost/ packages:
The economy package starts at $12 per tester per hour.
Website testing starts at $199.
Mobile testing starts at $399.
Automation starts at $399.

Core Services: Core, Unique, On-demand, Strategic, Automation QA Services, and BPM services. QA Solutions for many industries.

Prominent Clients: HSBC, Citi, AFEX, Solbright.

Verdict: Expert in automation, Security and performance testing. This ISO certified company provides its services to 9 industries.

=> Visit Official QA Mentor 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) TestFort


Headquarters: Kharkiv, Ukraine
No. of Employees:100-200
Service cost/ packages: Contact them for a quote.

Core Services: Dedicated QA Team, Mobile application testing, Web application testing, Automation Testing, Testing Automation, Performance testing, UI/UX Testing, QA consulting.

Prominent Clients: The Huffington Post, Skype, Distractify, Microsoft, SkyHook.
Verdict: It provides full-cycle QA services.

=> Visit TestFort Website

#12) QAlified

QAlified Logo

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.

=> Visit QAlified Website

#13) 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

#14) 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

#15) Global App Testing

Global App Testing

Headquarters: London, UK
Revenue: $9M
No. of Employees: 50 to 200

Service Cost/Package: There are three packages i.e. Base, Localized, Enterprise.

Core Services: Crowdtesting, Mobile App Testing, Localized Testing, Exploratory Testing, Test Case Execution, Functional Testing, etc.

Prominent Clients: Facebook, Google, Microsoft, Spotify, Instagram, Depop, Craigslist, Verizon, Citrix, Evernote, etc.

Verdict: Trusted by the top development teams in the world and tested over 6400+ applications, Global App Testing offers best-in-class functional web and app testing at speed. Use a blend of crowd testing and intelligent automation to help release high-quality software anywhere in the world.

Website: GlobalAppTesting

#16) 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

#17) 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

#18) 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

#19) ScienceSoft

ScienceSoft Logo

With 31 years in software testing services, ScienceSoft has established mature testing best practices and standards. Our testing professionals are experienced in complex (300+ web forms, 500+ workflows, 1,000+ business rules) projects and adhere to optimal testing budget and time.

Headquarters: McKinney, Texas, USA.

Core Services:

  • All-round software testing:
    • Functional (API and UI) testing.
    • Integration (component and system integration) testing.
    • Security (security code review, vulnerability assessment, penetration testing).
    • Performance (load, stress, scalability, and stability) testing.
    • Usability (UX and UI audit) testing.
  • QA Consulting and Outsourcing: ScienceSoft provides scalable and flexible testing teams to thoroughly test complex software, including SaaS applications, enterprise solutions (ERP, CRM, SCM, financial systems) and their external integrations, entire enterprise software ecosystems.

They deliver full-range testing services to companies from such industries as Manufacturing, Retail, Wholesale, Logistics, Professional Services, Healthcare, Financial Services, Oil & Gas, Telecommunications, and more.

=> Ensure Your Solution’s High Quality With ScienceSoft

#20) Testriq QA Lab

Testriq QA Lab logo

Headquarters: Mumbai, IN
No. of Employees: 11-50
Service cost/ packages: Contact them for the quote

Core Services: Software Testing, Quality Assurance, Independent software verification and validation, Managed Software Testing Services.

Verdict: The Industry-Leading Software Startup with 30+ proficient ISTQB Certified QA professionals with an average of 15+ years of experience in the software testing field, with a complete range of software testing services.

Website: Testriq QA Lab

#21) BugEspy


BugEspy provides a bundle of services that deliver optimized software testing solutions to cover any product’s entire lifecycle. They have the most cost-effective services in the global market with a team of highly qualified ISTQB certified QA engineers.

HeadQuarters: Lahore, Pakistan
Sales Office: Georgia, USA
No.of Employees: 50 – 100
Services/Cost: $12 – $20/hour
Core Services: Manual Testing, Automation Testing, Performance Testing, Penetration Testing, Dedicated QA team.

Also check – Best Manual Testing Services

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