Testing software is an essential but complex process. The challenge of testing lies in balancing precision and time. Conducting a proper testing module for a complicated application requires extensive testing and significant effort. Precision is crucial, as even a single undetected bug can result in substantial financial loss and damage the company’s reputation.

Given the fast-paced nature of the USA’s economy and its bustling cities, dedicating time and effort to testing services can be challenging. This is why outsourcing QA software testing is an excellent solution.

Several top software testing companies can ease the burden when outsourcing testing services. According to Forester, 17% of US organizations seek QA companies, while 16% already outsource their Quality Assurance testing.

There are common myths about outsourcing QA services, including:

• Expensive
• Delays
• Communication gaps

Contrary to these myths, outsourcing QA services can benefit your company. It saves you significant time and effort that would otherwise be spent on employing numerous testers and can save money. Additionally, many QA companies offer 24/7 availability and operate without geographical boundaries. Most importantly, outsourcing can save considerable time, effort, and money.

Thousands of software testing companies are available to provide these services, making it a practical choice for many organizations.

Here, we list some of the top software testing companies you can consider hiring.

1. QA Mentor

In New York, QA Mentor is an award-winning, CMM Level 3 appraised, ISO-certified global independent software testing organization that offers cost-effective testing services for any budget. They provide over 30 quality assurance testing services across 15 different industries. With more than 300 certified QA professionals, they support 420 clients from 28 countries, operating in 5 different shifts to cover all time zones and overlapping hours.

QA Mentor excels in comprehensive software testing, offering services such as compatibility testing with its lab of 400 devices, a proprietary test management platform, metrics and KPI tools, security testing, automation, and performance testing. With seven proprietary methodologies and eight automation frameworks, QA Mentor covers all aspects of the software testing domain and is recognized as the best Software Quality Assurance Company.

2. Testmatick

Testmatick is an independent testing agency with over 10 years of experience. It offers software QA and testing services to global customers. Its QA engineers collaborate closely with customers’ development teams to ensure a cohesive working relationship. Testmatick’s robust quality assurance team can begin testing projects of any complexity within 24 hours.

The core principles of Testmatick’s QA and testing services are reliability, efficiency, and expertise. The team prioritizes the privacy and security of customer data and intellectual property. Testmatick provides manual and automated testing for web and mobile projects and possesses deep expertise in various sectors, including finance, banking, e-commerce, education, healthcare, entertainment, telecom, travel, aviation, and natural resources.

Established in 2009 and headquartered in New York, USA, Testmatick delivers top-notch QA and testing services worldwide.

3. ScienceSoft

ScienceSoft is a US-headquartered software testing company with 33 years of experience. ScienceSoft believes in the power of close and transparent collaboration with clients to achieve high-quality testing goals with optimized resources. Proficient in Agile methodologies, ScienceSoft’s testing experts align their activities with the development process, adapting to frequent releases and evolving project goals.

To measure and continuously improve the testing process’s effectiveness, ScienceSoft uses a defined set of KPIs and provides regular testing results reports per ISO/IEC/IEEE 29119-3:2013 standards. They have developed a proprietary Integrated Manual and Automated approach, which helps reduce testing costs and ensures zero severe software defects in production.

ScienceSoft has successfully tested software for over 730 customers across more than 30 industries, including healthcare, manufacturing, finance, retail, and telecommunications. The company employs ISTQB-certified test experts who provide various testing services, including functional (regression), component and system integration, performance, security, and compliance testing.

Certified with ISO 9001 and ISO 27001, ScienceSoft delivers quality testing services, meets customers’ budget and time expectations, and ensures the security of customers’ data.

4. QAlified

Headquartered in Uruguay with a presence in the US, QAlified offers QA and testing services to companies worldwide. Their services include:

• Application Testing: Identifying issues in software development and integration with other systems.
• Test Automation: Enhancing efficiency in the continuous release of new versions.
• Performance Testing: Evaluating response times and identifying bottlenecks through load and stress testing.

QAlified also provides services, coaching, and training for enterprises needing assistance with automated testing. They are experts in using tools such as Selenium, Playwright, Cypress, and Katalon Studio.

QAlified is an ISO-9001-certified company and an ISTQB Gold partner.

5. HikeQA

HikeQA is an independent Quality Assurance company providing robust QA and testing solutions for software and mobile applications. Our team of dedicated professionals combines innovative and strategic thinking to develop and deliver bug-free, fully functional software. We offer a wide range of services, including Mobile Application Testing, Automated Testing, Manual Testing, Functional Testing, Performance Testing, Regression Testing, Quality Assurance Outsourcing, Security Testing, and Backend Testing. With years of experience, we deliver comprehensive testing solutions to ensure the quality and reliability of your software.

6. TestCrew

TestCrew is a Quality Engineering provider that started from its headquarters in Saudi Arabia and has expanded its offices to the UAE, Egypt, and India, offering premium software testing services. Globally, TestCrew has representative offices serving organizations in the USA, UK, and Europe.

The professional ISTQB-certified teams are dedicated to delivering a wide range of testing services, including automation testing, cybersecurity testing, performance engineering, integration testing, user acceptance testing (UAT), non-functional testing, functional testing, test advisory, TMMI consultancy services, and integration testing for API and web services.

In essence, from quality assurance to bug testing, various software iterations, and regression testing, TestCrew is the partner you need to ensure flawless software applications.

TestCrew serves various industries, including:

• Government & Public Services
• Banking & Finance
• E-commerce & Retail
• Healthcare & Sports
• Services & Education
• Logistics & Transportation
• Information Technology & Communication
• Insurance & Entertainment

Also Read: Top Mobile App Testing Companies

7. DeviQA

DeviQA is a pioneer in QA services and software testing, offering comprehensive testing solutions for web applications, mobile applications, full-cycle testing, and more. They provide a high level of assurance for you or your customers, ensuring reliable and impressive outcomes.

With over 10 years of experience and 300+ satisfied clients, DeviQA excels in delivering automated testing services. Their primary goal is to provide users with highly dependable results and ensure that the applications perform exceptionally well.

8. Quality Logic

QualityLogic is an international QA testing company with approximately 200 employees. It generates impressive annual revenue of $10 million and sets a benchmark in the industry.

This company is renowned for its reliability in creating mobile applications, automated testing, API testing, big data analysis, and telemetry. They offer flexible service models, on-shore client support, and continuous ROI, helping businesses grow and succeed.

9. Testing Xperts

The company’s name itself reflects its excellence. Based in Mechanicsburg, USA, it boasts 5,000 employees and generates an impressive annual revenue of $25 million.

They offer functional and non-functional testing advisory services and specialized testing services such as data migration for mobile application testing. These services are highly satisfactory for banking, financial, insurance, and retail marketing clients.

The company’s primary goal is to provide flexible solutions to users’ issues, delivering perfect results while keeping projects aligned with the desired timeline. As an ISO-certified company, it ensures transparency and reliability in its working plans.

10. Apphawks 

A European company with over 10 employees maintains a flexible annual target to stay relevant and provides detailed analyses of clients’ projects. It is based in Auction Online Scandinavia, Simple Auction Site, VMS Software Solution, and Collectors. The team consists of professionals who are experts in e-commerce testing, agile methodology, and maintaining long-term contracts to build trust. Dedicated QA workers are located in Poland, ensuring high-quality service and client satisfaction.

11. Bugraptors

Bugraptors is recognized as a leading software quality assurance company in India, operating proficiently in the US. They offer a comprehensive range of QA services categorized into Specialized QA Services, Test Advisory Services, Standardized QA Services, and Next-generation Testing Solutions incorporating AI and Machine Learning concepts with Data Analytics for detailed reporting and maintaining user trust.

Bugraptors has a team of over 200 ISTQB-certified testers with relevant field experience. They have been proficiently serving international clients across multiple industries, ensuring timely report delivery and maintaining high standards of service.

12. Indium Software

Indium Software is a global leader and award-winner in the QA industry, with over two decades of proficient service. Their approach is exceptional, offering a wide range of software testing services for next-generation AI and Machine Learning applications. With more than 500 clients served over the past 20 years, Indium Software has set a remarkable benchmark. They employ experts in SME and QA techniques, ensuring consistently excellent results and high customer satisfaction.

13. QA Source

This California-based company consistently achieves an annual target of over five million dollars. They specialize in automated testing, API testing, functional testing, mobile testing, Salesforce testing, DevOps services, and dedicated testing teams.

The company provides tailored testing solutions to meet customers’ needs and offers customizable pricing plans. Its goal is to deliver quality work through a hybrid model of on-site and offshore services.

14. QualiTest

This well-known Quality Assurance company, based in Fairfield, CT, generates $80 million in revenue and employs over 5,000 professionals. They provide detailed quotations with every deal.

Their team excels in cyber testing, managed testing services, DevOps testing, and AI testing services. They have a strong client portfolio, including Microsoft, Fujifilm, Multiplan, Avaya, and Stratus Technologies, and have received wide-ranging positive feedback for their projects.

15. Global App Testing

Global App Testing, based in England, consistently achieves an annual target of over $2 million, with a team of over 200 employees dedicated to enhancing user experiences. They offer three client packages: $2,900 for the Starter package, $5,200 for the Scale package, and $15,840 for the Enterprise package.

Their core services include research-based testing, mobile application testing, and crowd-sourced QA testing. Their impressive client list includes Evernote, Craigslist, Depop, Facebook, Instagram, WhatsApp, Microsoft, Livesafe, and Spotify. Specializing in mobile application and crowdsourcing testing, they have tested over 6,900 applications, making them one of the fastest-growing companies in the industry.

16. Testlio

Testlio is a distributed company with teams in Austin, the Bay Area, and Estonia. It has achieved a significant revenue benchmark of $20 million. With over 100 active employees, it maintains a high standard in the market.

Their prestigious client list includes Amazon, American Express, CBS, Hotels.com, Microsoft, and the NBA. Testlio’s mission is to target top-quality testers worldwide, and they accept only 3% into their network. They offer various manageable testing options tailored to their client’s needs.

17. iBeta

iBeta, a US-based company, has provided Quality Assurance services since 1999. Their clients range from Fortune 500 companies to small startups worldwide. Based in Denver, Colorado, iBeta operates out of a fully equipped 40,000 sq ft facility, generating between $5 million to $10 million in revenue with a team of around 200 employees.

iBeta’s core services include manual testing, automated testing, load testing, performance testing, mobile testing, web testing, accessibility testing, and e-commerce testing. These services ensure comprehensive quality assurance for their clients.

18. Xbosoft

Xbosoft, based in Virginia, employs 200 professionals and specializes in QA consulting, software testing, web application testing, mobile application testing, and API testing. They offer expert advice on best practices, implement improvements, and execute flawlessly to deliver exceptional customer results.

19. ScienceSoft

Sciencesoft, established 31 years ago, adheres to the best practices and standards in the industry. They have completed over 300 web forms and 500 workflows, all within optimal testing budgets and timelines. Project delivery is consistently on schedule, meeting clients’ specified deadlines.

20. BugEspy

BugEspy offers a wide range of Quality Assurance services, delivering cost-effective solutions across the US and generating $100 million in annual revenue. By following the best QA techniques and excluding manual testing, BugEspy ensures users receive the best outcomes, making them a top choice for QA testing services.

21. Mindful QA

Mindful QA provides automated, manual, performance, and API testing services and QA consulting for websites and Android and iOS applications. Their services are priced hourly, ensuring you only pay for your needs. They have been recognized as one of the “Best QA Testing Apps”.

Their testing services cover various categories, including manual, automated, and performance API testing. Mindful QA ensures an exceptional user experience by covering a broad market and delivering reliable applications free from bugs and issues.

22. Abstracta

This US-based software quality assurance company employs 115 professionals. It offers various core services, including software testing, test automation, performance testing, accessibility testing, mobile testing, tool development, and crowdsourcing testing management. It serves prominent clients worldwide and consistently delivers positive results.

23. Testring Technologies

Testring Technologies provides comprehensive programming, QA consulting, and testing administration services. They excel in various types of application testing, including mobile testing, web application testing, and automation testing. Whether you’re an established organization or a startup, they help convey your vision to clients with professionalism and profound excellence.

24. Impact QA

ImpactQA is a leading Software Testing and Quality Assurance Consultant organization based in New York, with operations in other countries including Munich, Dallas, London, and New Delhi. They specialize in various testing areas such as Mobile testing, cloud testing, IoT Testing, and Performance Testing. ImpactQA has assembled a team of top-notch QA engineers and utilizes cutting-edge QA tools.

The company’s primary goal is to establish a community focused on top-tier security practices and algorithms to conduct detailed analyses of user applications, whether web-based or otherwise. They meticulously go through all test cases to produce accurate reports. With over 250 satisfied clients, ImpactQA excels in delivering detailed analysis and ensuring customer satisfaction.

25. Kualitatem

Kualitatem is a renowned award-winning company specializing in Software Quality Assurance and Information Security. With a dedicated QA team and state-of-the-art tools and technology, we ensure comprehensive protection for your business. Our wide range of testing services includes Information Technology, Advisory, and Auditing. Kualitatem holds ISO 9001:2015 and ISO 27001:2013 certifications and is recognized by Gartner. We serve clients ranging from large enterprises to SME businesses. We excel in security, performance, usability, automation, cross-platform compatibility, and functional testing services.

Based in Lahore, Kualitatem delivers top-tier quality assurance services for applications. Our professionals are highly skilled and experienced in application software testing, ensuring detailed and accurate reporting.

Wrapping Up

That concludes our discussion for today. We trust you’ll find this article on the market’s top QA testing service providers informative and engaging. These providers aim to enhance user experiences by minimizing issues and delivering accurate reports tailored to user requirements.

We hope you’ve enjoyed reading this article and encourage you to share valuable feedback. Your input will help us craft similar topics for future discussions!