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Top Software Testing Companies 2020

Software testing is an important phase of the software development life cycle and should not be neglected in any case. Any product needs to be tested before it could be used efficiently and safely. There are a large number of types of tests that need to cover with testing the software or the application, and there are certain experts for each type. To reduce the cost of software testing – the best way is to take them from the outside.

Nowadays, there is no need to spend time, money, and effort to create and maintain an in-house testing team, to buy expensive devices, hardware, tools, and to improve the skills of the testers. Software testing companies have experienced quality assurance staff. This is a definite advantage when outsource software testing, then when hiring a testing engineer on staff, which can verbally be able to do a lot, but in reality, it will be just spent time and money. The best software testing companies are often ready to offer a free trial period of cooperation, during which they can prove their competence to you. Do not neglect this offer, and when choosing a software testing company - use this option. This way, you can understand which quality assurance company is best for you.

Our analytic research specialists conducted market research and compiled a list of the top software testing companies, so all you have to do is to choose the one you can trust to outsource testing of your software, website, or application. Professional software testing services allows you to avoid downtime and reduce the cost of eliminating defects during the software development stage.

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List of the top software testing companies

DeviQA is a leading software testing company that entered the IT market in 2010. The main activity of the company is quality assurance and software testing - the company provides a broad spectrum of up to 13 software testing services such as Full-cycle Testing, Web App Testing, Automated Testing, Mobile App Testing, API Testing, Dedicated QA Team, QA Outsourcing and others. The team can perform both full-cycle software testing to run a quality product or concentrate only on one kind of testing services by clients' requirement. 

DeviQA works with customers all over the world, and, since 2010, the company has performed over 500 successfully tested applications.

The company selects a unique team for each project, which:

 - gives people the opportunity to enjoy the product by making sure everything works well;

- controls the development process;

- prevents bugs in the software before users find them;

- ensures the quality of the product before the release.

Rates
$25 - $49 / hr
Employees
100+
Founded
2010
Country
Ukraine

TestFort is a well-known software testing firm, specializing in quality assurance and quality control. Among their customers, there are such titans as Skype, AOL, The Huffington Post, and many others. The QA team of TestFort engineers has extensive experience in various types of testing. They guaranty 100% quality of software and tests code to its last symbol! 

Founded in 2001, TestFort today has been a qualified team of real experts in software testing and quality assurance for almost 20 years.

Rates
$25 - $49 / hr
Employees
50 - 249
Founded
2001
Country
Ukraine

QualityLogic is a leading provider of quality assurance tests and software testing services. Since 1986 the QualityLogic has recommended itself as a trustful software testing partner and has already worked in different areas and industries.

The company gives a various list of services from QA to software testing services to worldwide companies of all sizes operating in a different kind of fields. Carrying out the testing of the project, the QualityLogic team concentrates on international quality standards and tests on a variety of servers, user machines, mobile devices. With such an approach to their business, they have been able to gain the trust of customers. Among QualityLogic customers, many successful companies in various industries around the world.

Rates
$25 - $49 / hr
Employees
50 - 249
Founded
1986
Country
USA

QATestLab was founded 12 years ago by a group of like-minded enthusiasts in Ukraine, who is now the leader of QA and testing services. The company specializes in testing the quality assessment of games, web and mobile applications, cloud-based solutions, desktop applications, IoT products, M-commerce solutions, virtual reality solutions, as well as other outsourcing services. Ukrainian testers have a wide range of devices, tools, and equipment that eliminate costs on test configuration in their arsenal. 

QATestLab provides high-quality services such as Functional, Regression, UX / Usability, Compatibility, Configuration, Penetration, and Performance Testing. 

Rates
Undisclosed
Employees
50 - 249
Founded
2005
Country
Ukraine

This Ukrainian company, specializing in software testing and quality assurance, was founded in 2001. Its head office is located in Kharkiv, Ukraine, and has development centers in the USA, France, Germany, Malta, and the Czech Republic. Currently, Qarea is the leading company in Ukraine. Today the company employs more than 280 dedicated engineers whose efforts have implemented about 800 projects. The number of satisfied customers of the company has exceeded 500.  

Rates
$25 - $49 / hr
Employees
250+
Founded
2001
Country
Ukraine

QAMadness is a Lithuanian software testing company that was a part of the list Top 10 Software Testing Firms on Clutch.co for 3 consecutive years.

The company currently consists of more than 60+ certified QA engineers. The company has 3000+ completed web projects and 800+ mobile projects on its account. The company was founded in 2008 and provides top-notch services to customers worldwide. QAMadness specializes in testing eCommerce platforms, especially Magento.

Rates
< $25 / hr
Employees
60+
Founded
2008
Country
Lithuania

ScienceSoft is a software testing company headquartered in the USA, was established in 1989 as a computer-aided innovation software company. Since then, it has significantly expanded and now employs over 700 IT professionals. 

In the worldwide market for 30 years, the company has established itself as leading software development and IT consulting company. Such world-known companies as IBM, eBay, Robert Half, Viber, PerkinElmer, and others were ordered their services. ScienceSoft also helped to create Viber. Only for 2019, the company has served 192 customers. 

The company specializes in providing services to banking, retail, healthcare, manufacturing, telecommunications, entertainment, and other industries.

Rates
$25 - $49 / hr
Employees
250 - 999
Founded
1989
Country
USA

QA Mentor is a New York-based software testing company. Since 2010, for years of existence, QA Mentor was the winner of many prestigious awards. The team provides about 30 QA & testing services for companies working in different fields, and it's more than any other similar company in the worldwide may offer.

QA Mentor is one of the largest companies in the United States in the QA and software testing market. With the headquarters in New York, the company includes studios in more than 12 countries. Today 300 QA experts work in QA Mentor offices. In sum, the company has implemented 876 projects for 437 happy clients in 28 countries.

Rates
< $25 / hr
Employees
256
Founded
2010
Country
USA

QASource is an American leading software testing company headquartered in Pleasanton, California. The company has testing offices in Chandigarh, India, and Aguascalientes, Mexico. 

QASource is one of the largest and experienced companies providing automation, API, functional, and mobile testing services for worldwide companies. Founded in 2002 QASource team has established itself as a provider of high-quality QA outsourcing services using a hybrid onsite-offshore model in industries such as Healthcare, Cybersecurity, Financial Services, Retail/E-commerce, and many more.

Rates
$25 - $49 / hr
Employees
250 - 999
Founded
2002
Country
USA

One of the leading QA providers offering full-cycle QA and application testing services, QA audits and consulting, test automation, and QA outsourcing services. The company was founded in 2003, and its headquarter is located in Lakewood, CO. The company has only three offices - in London, UK, Lelystad, NL, and Minsk, BY. The company employs over 700 people. The A1QA portfolio includes over 1,500 completed projects across such industries as banking and finance, healthcare, education and e-learning, media and entertainment, e-commerce, oil and gas, travel, and hospitality.

Rates
$25 - $49 / hr
Employees
700+
Founded
2002
Country
USA
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The software penetrates into almost all spheres of human life and exists in numerous devices that have already entered our everyday lives. It leads every our step - it's a part of everything that we do, everything that affects us, and everything surrounds us. It definitely makes our everyday lives easier, but it’s filled with bugs. It doesn't matter whether the bug appeared due to lack of developer skills, survived after long hours of searching, or was considered to be a hidden feature.

Main types of software testing services:  

Software testing can be divided into two types by the object of testing: functional and non-functional testing.

Functional testing - software testing aimed at testing the feasibility of functional requirements. During functional testing, the ability of the software to properly perform the tasks required by users is tested.

Functional testing are:  

  • Unit 
  • Integration 
  • System 
  • Sanity 
  • Smoke 
  • Interface 
  • Regression 
  • Acceptance  

Non-functional testing of software is first of all a check for compliance with non-functional requirements: convenience, productivity, security, portability, and reliability. 

Non-functional testing are:

  • Security 
  • Usability 
  • Performance 
  • Automation 
  • Stress 
  • Volume 
  • Compatibility 
  • Load  
Updated: September 1st 2020