Top software testing companies you should know | July 2024

Imagine launching your software with confidence, knowing it has been carefully checked for every bug, glitch, or user issue. That’s the power of effective software testing – the secret weapon that turns a good idea into a market leader.

Today's users are demanding. In a software world full of choices, one bad experience can ruin your product. That's why strong testing is not a luxury; it's a necessity.

But the big question is: how do you make sure your software gets the thorough testing it needs? Building an in-house Quality Assurance (QA) team can be expensive and time-consuming. This is where partnering with a top software testing company comes in.

These software testing companies are not just testers with clipboards. They are skilled professionals with the best tools and methods. They can handle everything from functional testing – making sure your software works as it should – to security testing, protecting your users' data.

The challenge is finding the right fit. With so many qa testing companies competing for your attention, the choice can be overwhelming.

Don’t worry, we’ve got you covered. We have created a list of reputable software testing companies with a proven record of success. This allows you to focus on what you do best – building your innovative product – while these experts take care of quality assurance.

Top 20 software testing companies

1. DeviQA

Founded: 2010

Headquarter: Poland, Ukraine, United States, United Kingdom

Team: 250+

Key services: QA outsourcing, QA consulting, managed testing services, automation testing, manual testing, performance testing, functional testing, full cycle testing, mobile app testing, web app testing, API testing, etc.

DeviQA is a well-known outsourcing software testing company that collaborates with large enterprises and small to medium-sized businesses across various industries. With extensive experience and advanced technologies, DeviQA's team provides a wide range of QA services. Whether there is a need to design and establish a QA process from the ground up, refine an existing QA process, or bring in real QA experts to enhance an in-house team, DeviQA is ready to help.

The company's high level of professionalism is backed by numerous positive testimonials and prestigious awards.

2. QualityLogic

Founded: 1986

Headquarter: United States

Team: 200+

Key services: functional testing, manual testing, test automation, load and performance testing, usability testing, interoperability testing, etc.

QualityLogic is a top software testing company with a long history and extensive expertise. Serving industries such as fintech, retail, eCommerce, media, entertainment, and education, QualityLogic is trusted by some of the largest and most renowned brands. As one of the best software testing companies, it has a proven track record of delivering complex solutions that ensure the highest quality of software products. QualityLogic's team prioritizes customers and quality, seamlessly integrating with development teams and aligning with existing processes. For those seeking to work with true professionals, QualityLogic is the ideal choice among software testing services companies

3. TestFort

Founded: 2002

Headquarter: United States

Team: 160

Key services: manual testing, test automation, testing consulting, testing outsourcing, functional testing, UI testing, usability testing, compatibility testing, etc.

TestFort is a renowned qa testing company known for its excellence in quality assurance and software testing. Its seasoned and dedicated team ensures that every software solution is tested thoroughly, on time, and within the agreed budget. TestFort delivers transparent and efficient communication, concise documentation, and tangible results. As a leading provider of qa software testing services, TestFort guarantees success in all its projects.

4. TestScenario

Founded: 2014

Headquarter: India

Team: 41+

Key services: automation testing, web app testing, mobile testing.

TestScenario primarily focuses on mobile testing, web testing, and test automation services. It serves startups, SMEs, and large companies. As an independent software testing services provider, its highly professional and seasoned QA experts use a rich infrastructure to test apps thoroughly across diverse platforms, browsers, and devices. The team analyzes software, designs test cases based on real-world scenarios, automates them, and executes tests to identify all bugs and weaknesses that can prejudice the success of the developed product. With TestScenario, high quality is 100% guaranteed.

5. TestingXperts

Founded: 1996

Headquarters: UK, United States

Team: 2500+

Key services: manual testing, automation testing, security testing, performance testing, accessibility testing, test consulting, etc.

TestingXperts is considered one of the best software testing service providers for a reason. The company has succeeded in the market and gained a reputation as a trusted QA partner. While it has headquarters in the USA and the United Kingdom, its 12 offices are located all over the world. TestingXperts offers an impressive range of qa testing services, and its experienced team works with the most advanced technologies including AI and ML, blockchain, Big Data, Cloud, IoT, and others. The company is a holder of numerous global awards and recognitions. It keeps on doing its best and opening new horizons.

6. Solvd

Founded: 2011

Headquarter: United States

Team: 600+

Key services: functional testing, performance testing, compatibility testing, usability testing, security testing, and end-to-end testing.

Solvd is a software development and technology consulting company that offers high-quality software testing services. It has 8 offices in different parts of the world, and its team is made up of experienced industry professionals and young high-potential talents. As a leading software testing firm, the company is a go-to in such domains as Healthcare, FinTech, Logistics, EdTech, Media, etc. The Solvd experts make use of leading technologies and tools and test software of the most diverse types including mobile apps, web apps, desktop apps, IoT, CRM and ERP platforms, medical devices, and software based on Cloud and AR/VR.

7. ScienceSoft

Founded: 1989

Headquarter: United States

Team: 75+

Key services: functional testing, performance testing, compatibility testing, accessibility testing, security testing, usability testing, etc.

ScienceSoft offers a wide range of IT services including professional software testing. The company has ISTQB-certified QA engineers and an ISO 9001-certified quality management system. As a software qa company, its QA team can accept any challenge. It provides testing of mobile apps, web apps, desktop apps, DWH, and SaaS. It can help you irrespective of the technology used. The QA engineers of ScienceSoft test unique systems based on advanced technologies and architectures such as Big Data, IoT, AR, blockchain, microservices, etc. ScienceSoft is a QA partner you can trust to deliver excellent results.

8. QualySec

Founded: 2020

Headquarter: India

Team: up to 50

Key services: penetration testing services.

QualySec Technologies stands out from the rest of the top software testing companies. This provider of top-notch cybersecurity services specializes in penetration testing for diverse applications including web, mobile, cloud, IoT, and blockchain apps. It is a reliable partner for high-profile companies in finance, healthcare, government, insurance, and technology domains. Its team abides by OWASP and SANS standards and uses a personalized testing approach to provide the best results. Testing reports include clear vulnerability reproduction steps, screenshots, videos, and actionable mitigation steps along with links to helpful resources. Beyond penetration testing, QualySec also provides automation testing, manual testing, functional testing, load testing, ethical hacking, and more.

9. Cigniti Technologies

Founded: 1998

Headquarter: India

Key services: DevOps testing, compatibility testing, functional testing, performance testing, security testing, test automation, crowdsourced testing, quality engineering, etc.

Cigniti is an IT company with a long history and a reputation as a leading AI and IP-led Digital Assurance and Digital Engineering services company. Headquartered in Irving, Texas and Hyderabad, Cigniti has several offices in the USA, Europe, the Middle East, APAC, and other regions. Being at the forefront of technology advancement, Cigniti helps global brands across 23 countries with their digital transformation and encourages them to explore new digital horizons. Cigniti is a company with the expertise and resources needed to provide top-quality software testing services.

10. AppSierra

Founded: 2015

Headquarter: India

Team: 150+

Key services: compatibility testing, functional testing, performance testing, automation testing, usability testing, localization testing, QA engineering, etc.

AppSierra is a fast-growing IT company offering software development and QA services to businesses of all sizes and across all domains. The fact that AppSierra is recommended by 96% of its clients demonstrates the high professionalism and competency of its team. When it comes to software testing, its QA experts prepare and execute a wide range of tests, both automated and manual, to ensure comprehensive testing resulting in the exceptional quality of a product. Microservices testing, blockchain testing, IoT testing, Big Data testing, and CRM testing are all within AppSierra's capabilities. If you want to engage the best-of-breed QA engineers, do not postpone getting in touch with AppSierra.

11. Aegis Softtech

Founded: 2005

Headquarter: India

Key services: functional testing, performance testing, isolation testing, usability testing, automation testing, browser testing, etc.

Aegis Softtech is an IT company based in India offering a rich suite of services, including software testing services. The company uses cutting-edge technologies and digital innovations to help numerous businesses worldwide with their digital transformation. QA experts focus on efficiency, high quality, risk mitigation, and cost reduction. State-of-the-art technological solutions make it possible for the QA team to establish a smooth QA process that checks every nook and cranny of an application under testing. This approach helps deliver excellent results within the stipulated time.

12. A1QA

Founded: 2003

Headquarter: United States and UK

Team: 1100+

Key services: functional testing, performance testing, cybersecurity testing, usability testing, integration testing, regression testing, compatibility testing, localization testing, etc.

A1QA is a large ISO-certified company specializing exclusively in software testing. It offers a wide variety of world-class QA services and supports key players in the global market, including Fortune 500 companies. Its global presence allows A1QA to deliver QA services 24/7/365 while quickly adapting to any time zone and project requirements. The company offers several engagement models to meet all possible client needs. In terms of technologies, A1QA has no limits, taking on projects related to blockchain, CRM, ERP, AR/VR, Cloud, IoT, desktop, mobile, and web solutions. Partner with A1QA to roll out outstanding software products with exceptional customer experiences.

13. QA Mentor

Founded: 2010

Headquarter: United States

Team: 313

Key services: automation QA services, security testing, QA performance engineering and optimization, Qa audit and process improvement, QA environment management, etc.

QA Mentor is an ISO-certified independent software testing company headquartered in New York with twelve testing operation centers in the USA, UK, France, Romania, Ukraine, India, Tunisia, and Thailand. QA Mentor is known as a one-stop shop for all QA needs, offering an extensive range of services, some of which are unique to QA Mentor. A strong global presence, highly professional team, goal-oriented approach, client focus, creativity, and innovation make this company a reliable partner you can entrust with your product's quality.

14. QA Madness

Founded: 2013

Headquarter: Lithuania

Key services: automated testing, manual testing, cybersecurity, mobile app testing, web app testing, desktop app testing, wearables testing, QA audit and consulting.

QA Madness is a leading provider of software testing services. Discipline, communication, collaboration, efficiency, and reliability are the key working principles of the company. Its cherry-picked QA specialists use an impressive lineup of QA testing technology to run functional testing, UI testing, performance testing, compatibility testing, regression testing, integration testing, acceptance testing, localization testing, end-to-end testing, API testing, and other types of testing to help clients roll out high-quality software products. The QA Madness team can set up and manage all QA activities on a project, including QA audits, test documentation writing, and business analysis.

15. Netow Solutions

Founded: 2012

Headquarter: Nigeria

Team: 15

Key services: QA and software testing, resource augmentation, QA training.

Netow Solutions is an independent software testing company based in Nigeria with an ambitious plan to become the largest QA service provider in West Africa. The company provides a wide variety of services, including API/web services testing, security testing, usability testing, compatibility testing, user acceptance testing, regression testing, integration testing, and end-to-end testing. Its tight-knit team comprises seasoned QA experts who not only work on various projects and ensure exceptional quality but also share their knowledge with young talents at Netow Solutions Academy.

16. Mindful QA

Founded: 2018

Headquarter: United States

Key services: automation testing, manual testing, website testing, mobile app testing, security testing, accessibility testing, QA recruiting, etc.

Mindful QA is an American award-winning software testing company that gives 10% of its profit to charity. All its QA specialists are located in the USA and have an average of 5 years of experience. The company provides a rich bouquet of QA services to cover all possible client needs. Client focus is one of the core principles of Mindful QA. Its skillful and diligent team always sets up and manages the QA process with regard to the specific needs of a particular project. Among the company's clients are well-known brands such as Google, Intel, and Microsoft. If you set the bar high, Mindful QA is the QA service provider you need.

17. HikeQA

Founded: 2020

Headquarter: India

Key services: mobile app testing, QA outsourcing, performance testing, automation testing, functional testing, etc.

HikeQA is a young independent software testing company providing exceptional services to startups and SMEs across diverse industries. Profound knowledge, polished skills, and passion for perfection enable the HikeQA team to deliver the best testing solutions ensuring the highest quality of software products. The company offers a wide variety of software testing services. Whether you develop a mobile, web, SaaS, or eCommerce solution, HikeQA can become a reliable partner you can trust.

18. ImpactQA

Founded: 2011

Headquarter: United States

Team: 250+

Key services: automation testing, functional testing, mobile app testing, security testing, IoT testing, performance testing.

ImpactQA is a well-known leader in next-gen software testing, QA consulting, and product development. The company serves startups, SMEs, and Fortune 500 companies across multiple domains, including healthcare, e-learning, eCommerce, media, logistics, real estate, and others. The QA team at ImpactQA consists of highly professional manual and automation QA engineers who leverage their rich experience and advanced testing technologies to help clients hit the market with software solutions that provide an exceptional user experience.

19. QATestLab

Founded: 2005

Headquarter: Cyprus

Team: 250+

Key services: functional testing, UX / usability testing, compatibility testing, integration testing, performance testing, penetration testing, localization testing, GUI testing, security testing, acceptance testing.

QATestLab is a top-notch software testing company that has embedded quality, reliability, and innovation in its corporate culture since its inception. The company excels in manual and automated testing, always coming up with a holistic testing strategy and executing all necessary types of testing as best as possible. QATestLab has a great track record in testing games, Internet of Things, web, mobile, desktop, and cloud applications. Additionally, the company offers QA consulting and test documentation writing services. QATestLab has the expertise, best-of-breed QA specialists, and rich infrastructure to help you build an outstanding solution.

20. QASource

Founded: 2002

Headquarter: United States

Team: 1400+

Key services: automation testing, manual testing, security testing, performance testing, mobile QA, API testing, QA analysis, blockchain testing, IoT testing, etc.

QASource is a well-established software testing company whose team knows everything about quality assurance. Paying particular attention to on-time delivery and customization, the company excels at helping businesses of all kinds and sizes manage the quality of their software products while keeping costs low. Among its clients are famous brands such as eBay, Salesforce, Facebook, Ford, Amazon, IBM, and others. If you wish to reap the benefits of a fully staffed QA department without the related setup expenses and hassle, a partnership with QASource is what you need.

Other software testing companies:

What to look for when choosing a software testing company to outsource software testing needs

It is indeed crucial to make the right choice when selecting a software development company. There's no need to explain that your partner should be trustworthy and provide professional QA services. Here are a few things that deserve your attention when choosing from the best software testing companies:

Engagement models

While reviewing a company profile, pay attention to the engagement models it offers. Make sure the one you need is provided. The most widely used models are Dedicated Team, Time & Material, Fixed Price, Staff Augmentation, and Hybrid Model.

In-depth knowledge and expertise in software testing

A software testing company should be able to provide you with experienced QA specialists who can handle all QA-related issues and set up a QA process from scratch if needed.

Domain expertise

Domain expertise is as important as technical expertise. It allows a QA team to clearly understand software behavior and end users' needs. This is especially crucial when it comes to testing healthcare, fintech, pharmaceuticals, insurance, and retail apps. Domain expertise significantly contributes to the establishment of an appropriate QA process. So check whether a potential partner has already tested software similar to yours.

Awards and certifications

Professionalism never goes unnoticed. Awards, accolades, and certifications demonstrate the competency and leadership of a software testing company. Certifications such as ISO 9001 and ISO 27001 indicate a company's commitment to quality and security. Take a look at those your partner has already earned.

Communication model

Ensure that a company is open to communication, responsive, and client-focused. Efficient communication lies at the heart of every successful project, so your partner should be friendly, supportive, and straightforward.

Testimonials

It's worth taking the time to check clients' feedback on the company's services. Testimonials published on official websites, social networks, and independent review platforms can help you form the right opinion about a potential partner.

Pricing policy

Discuss the financial aspects of your partnership in advance. Ensure that a company offers a transparent pricing policy without hidden charges. Moreover, remember that a high price is not always a guarantee of high quality, while excessively low rates can also raise suspicions.

Team location

Offshore outsourcing offers significant benefits, especially regarding service fees. However, when choosing a software testing company, consider its location, as it affects not only the price but also communication. Time differences, cultural differences, and language barriers can cause problems.

Flexible and scalable:

The testing company should be able to adapt to your changing needs. As your software evolves, the company should have the capacity to scale its services accordingly.

Proof of concept

Many reliable software testing companies offer a free or low-cost Proof of Concept (PoC) where they test a part of your software. This allows you to assess their capabilities before making a full commitment.

Conclusion

Your search for a reliable provider of software testing services can be time-consuming and require significant effort. However, it is worth it. Your software testing provider should be highly professional, committed, and reliable. We believe that our list of software testing companies, along with a set of important criteria, will help you find the perfect software testing partner.

Would you like to add another company worthy of this list? Don't hesitate and write us an email at [email protected] with the subject "Top 20 Leading Software Testing Companies"