When you develop any software, such as mobile application, website, or web application, the testing plays an essential role. It is impossible to find all bugs during the testing period. But still, you need to provide your product to the consumer with fewer of them, and they should not be major or critical.

Below you may find a list of software testing companies that provide software testing and quality assurance services including:

QA companies provides software testing and quality assurance services including:

• Manual Testing Services for Web and Mobile applications;
• Automated Testing Services for Web and Mobile applications;
• Performance, Load, Stress testing services;
• etc.

To be confident in the quality of your product, you should select a professional QA outsourcing service provider, and that’s not a tricky task.

Before you make your choice, you need to know some tips on how to choose the best software testing company, several of them are:

• Do not underestimate the importance of software testing;
• Check what approaches the company take;
• What types of testing does the company provide;
• Ask whether the company use the most effective testing methods;
• Involve outsourcing testing company into work at the beginning of software development;
• Work with the most flexible company;
• Pay attention to teams with solid technical skills;
• Make sure engineers can state requirements clearly;
• Interview the candidates from the company.

How to choose:

There are many sites, that provide listings of the top software testing companies with real reviews, like:

• goodfirms;
• clutch;
• softwaretestinghelp.

Most indicative rating of top software testing companies in 2019 you can find on Clutch because I know how difficult is to post reviews there; namely, they call and take interview of clients over the phone, they are interested in all aspects of cooperation with your company.

What to do in this case? How to choose the best software testing company to test your product? Where is the truth? It’s a difficult choice.

I think, for the right choice, you need to read this article and make queries to several companies.

After you made your queries, talk more closely with the managers, ask some questions, talk to tech specialists, and then decide on which company do you prefer.

Based on the above information, I decided to make the list of top 20 software testing companies.

List of Top Software Testing Companies

1) DeviQA - Software Testing Company

DeviQA is an independent software testing company with over 10 years of experience. The company occupies a leading position by customer reviews in the ratings of Clutch and GoodFirms. One of the main features of cooperation with the company is that they are ready to provide free proof of concept for customers to understand the level of the company’s specialists.

There are 3 models of cooperation in the company: dedicated team, time and materials, fixed price for the work on the project.

• Founded: 2010
• Location: US (HQ), R&D in Ukraine
• Employees: 200+
• Software Testing Services: Automated Testing, Mobile Testing, Web Testing, Performance Testing, Mobile Automation Testing, Dedicated QA Team, Software Testing Consultancy, QA Outsourcing
• Major Clients: MimeCast, BiznessApps, Sprinklr, WeHeartIt, SoftNas, UBTteam, Connexient, SimplePractise, TechSee

2) QArea - Outsourcing Testing Company

QArea is a software development & testing company with 18 years of experience. They develop both standard web-based products and complex corporate software solutions. Hundreds of companies have already taken advantages of QArea services to increase productivity, improve key workflows, and digitize their business with non-standard software solutions. The company’s specialists are able to explain to customers every line of code written by them.

QArea provides software development and testing services. The company values ​​clear communication and transparency of cooperation.

• Founded: 2001
• Location: US, Malta (HQ), R&D Offices in Ukraine
• Employees: 200+
• Software Testing Services: Manual and Automated Testing
• Major Clients: Huffington Post, Dashlane, Allwomenstalk, Tunein, SkyHook, Distractify, Avaaz, Beakun, RebelMouse, Perx.

3) A1QA - Software Testing Company from Belarus

A1QA — a division of Itransition was founded in 2003 as an independent supplier of software quality assurance company. The company provides full-cycle testing services, including test automation and quality control outsourcing.

• Founded: 2002
• Location: US (HQ), offices in the UK, Netherlands and Eastern Europe
• Employees: 700+
• Software Testing Services: functional, performance, security, compatibility, usability and localization testing for mobile and web applications
• Major Clients: Adidas, Kaspersky Lab, Expedia, Qiwi, Telekom Austria Group

4) Abstracta Inc. — Your Nearshore Software Testing Team

Abstracta is a software quality assurance company with a primary focus on testing automation in order to reduce the time to market of software applications. The company also has its own test automation tools — GXtest and Monkop — for mobile testing.

• Founded: 2008
• Location: US (HQ), offices in the UK, Uruguay
• Employees: 50-249
• Software Testing Services: testing consulting, testing services, nearshore testing
• Major Clients: BBVA, Benefit Cosmetics, Hearthflow, Shutterfly, Santander, PedidosYa, BlazeMeter, Verifone, PayGroup, Moove-It, Agesic, CPG Soft

5) BugRaptors - Software Testing and QA Services Provider Company

BugRaptors provide low-cost and high quality outsourced software testing solutions.

• Founded: 2016
• Location: India
• Employees: 250-999
• Software Testing Services: Standardized QA Services, Automation Testing Services, Specialized QA Services, Test Consultation Services
• Major Clients: FDI, Mammoth Surveillance, Enigma Digital Ltd., Maplarge, KEY App Transportations, 2ToLead, Clubbable, Allego, TEDS, SHAGGRA Group

6) Cigniti -  Independent Quality Engineering

Cigniti is an independent software testing company that has developed Smart Tools and Predict Quality Methodology (Proprietary IP) that helps enhance productivity and reduce the cost of poor quality.

• Founded: 2004
• Location: US, India, Canada, US, South Africa, Australia
• Employees: 250-999
• Software Testing Services: Quality Assurance, Quality Engineering, Digital Assurance, Next Generation Testing
• Major Clients: Wales&West Utilities, Subway, Southwest, Snapdeal, Ryanair, MaxLife Insurance, IndiGO, HP, Hertz, GlaxoSmithKline, Cipla

7) QA Madness - Offshore Testing Services

QAMadness is a young company that conducts testing of websites and software, writing test documentation, etc. They cooperate with companies in different parts of the world. Their team brings together high-qualified specialists in the field of testing.

• Founded: 2008
• Location: Lithuania, Ukraine
• Employees: 50-249
• Software Testing Services: Manual Testing, Automated Testing, Web Application Testing, Mobile Application Testing, Wearable Testing, Desktop App Testing, Testing Documentation, QA audit & consulting
• Major Clients: Above The Fray Design Inc., Envision Group, DevPocket, Elegentos, MediaC, Wezz E-Commerce

8) QA Mentor - Software Testing Company

QA Mentor — is a software testing and quality assurance service provider that offer 50 different types of testing. They use an effective combination of onshore and offshore resources to keep costs low for clients. The mission of the company is: “To provide superior quality assurance and software testing services while treating clients and employees with total professionalism and respect.

• Founded: 2010
• Location: US
• Employees: 50-249+
• Software Testing Services: Core QA Services, Unique QA Services, On-Demand QA Services, Strategic QA Services, Automation QA Services, BPM Services
• Major Clients: HSBC, Citi, AFEX, Solbright, ShoCase, Supplified, ZYTO, BWell, PCG Education, Game Cloud, Legacy Shield

9) QASource — Quality That Creates Value

QASource is a QA & Software Testing Company that provides all types of software testing, the company is located in California. QASource delivers high-quality QA outsourcing services using a hybrid onsite-offshore model that combines offshore technical talent with U.S. management and QA engineers embedded in their clients’ engineering departments — enabling their customers to avoid the risks that often accompany a remote testing team.

• Founded: 2002
• Location: US
• Employees: 250-999
• Software Testing Services: Automation Testing, Manual Testing, API Testing, Mobile QA, Security Testing, Performance Testing, QA Analysis
• Major Clients: IBM, Looksmart, Luxotica, NewCars.com, Oracle, Target

10) QATestLab — Independent Software Testing and QA Provider

QATestLab is an outsourcing software testing company that provide a full range of software testing services.

QATestLab performs quality control of software products for customers from Europe, America, and Asia.

The portfolio includes a wide variety of testing cases — from online stores to gaming platforms and banking systems. Over the years they have completed more than 3,000 projects!

• Founded: 2005
• Location: Ukraine
• Employees: 50-249
• Software Testing Services: Manual Testing, Test Automation
• Major Clients: Bosch, Shell, G5 Games, Raven Developers, QARDIO, Playrix, Blazemeter

Questions and Answers

What is testing as a service

Software Testing as a Services in other words means delegate software testing process to a third party companies.

What is testing in IT companies

Software testing in IT companies is a process of verification and validation. To testing software QA engineer should to know software or application that is need to be tested. He should know expected results to verify and validate testing results.

Which is the best company for software testing

The best software testing outsourcing company is a complex question that has no objective answer.

In order to answer this question, you need to understand whether the company or a separate team in the company worked on a project that is similar to yours. In this case, they will certainly be better than those who have never encountered such software or application.