15 Top Software Testing Companies: a Cheat Sheet on Outsourcing by DogQ

Get the list of the top 15 software testing companies that can help your business quickly tap into world-class expertise, cutting-edge tech, and tailored testing methodologies.

Outsourced QA services have appeared as a handy solution for companies looking to improve their product quality with no losses on the speed of delivery or scalability. By partnering with specialized QA companies, businesses of all sizes can tap into world-class expertise, cutting-edge technology, and tailored testing methodologies designed to meet their unique needs.

In this article, we collected the top 15 QA companies that have distinguished themselves in the outsourced software testing niche, offering a spectrum of services from functional testing to full-scale automation solutions. Whether you’re a startup or an established enterprise, these firms provide the robust support necessary to elevate your software quality and drive your technological advancement.

Table of contents:

QA Testing Services: Our Comparison Criteria

Identifying the leaders in QA requires a comprehensive evaluation of several crucial factors. Our methodology for selecting the top software testing companies is grounded in a thorough assessment of their client feedback, success stories, industry reputation, team capabilities, client base, and leadership effectiveness.

This rigorous approach ensures that the companies we recommend are well-equipped to enhance software reliability, fortify security protocols, optimize performance, and uphold industry standards.

The evaluation metrics we included:

  • Reviews: We analyze client testimonials and reviews to gauge the performance, expertise, and client satisfaction levels of each agency. This feedback provides insights into the effectiveness of their services and their impact on client projects;
  • Portfolio: Examination of past projects helps us assess each agency’s capabilities and the quality of their output. This portfolio review is essential to understanding the scope and complexity of solutions the companies have successfully delivered;
  • Awards and press mentions: We consider industry recognitions and mentions in the press as indicators of an agency’s credibility and innovation. Awards highlight an agency’s commitment to excellence and its recognition by industry peers;
  • Team bios: The skills, experience, and specialized expertise of the team members are scrutinized to ensure that the agency’s personnel can handle diverse and challenging testing environments;
  • Top services: We identify each agency’s core services and areas of specialization, focusing on how these align with current and emerging testing demands in the software industry;
  • Software testing expertise: This criterion assesses the agency’s ability to rigorously evaluate and validate software applications, ensuring they function as intended, meet design specifications, and provide a reliable user experience.

This structured approach ensures that our evaluations are both comprehensive and precise, allowing us to recommend QA testing companies that truly stand out in their field for their exceptional service quality and technical proficiency.

Top 15 Software Testing Outsourcing Companies

Below, we’ve compiled a list of the top QA consulting companies in our opinion that you can turn to if you need to outsource your testing activities. These profiles offer a glimpse into each company’s approach to QA, illustrating their commitment to quality and client satisfaction.


  • Location: San Diego, California, USA
  • Employee number: 11-50 employees
  • Average hourly rate: $25 - $49/hr
  • Min. project size: any project size

We are a young and ambitious startup specializing in no-code web testing automation. We offer a super user-friendly no-code testing platform DogQ, which is available and easy to use for all skill-level users. We’re just starting our journey in QA and testing outsourcing, but we can already offer our clients a wide range of services:

  • Managed testing for big long⁠-⁠term projects with maintaining several related projects if needed;
  • Test automation with our full support for projects of any size at active developing stages;
  • Ad-hoc testing suited for small and medium-sized mature projects;
  • Professional guidance with e2e, smoke, integration, exploratory, acceptance, UI, and regression testing within our DogQ no-code platform;
  • A clear and well-defined testing strategy with analysis of your needs, setting goals, testing itself, regular reporting, as well as optimization if needed.

We strive to understand our customers’ products beyond just testing: we continuously discuss ideas and solutions with our clients. We have developed an approach based on our multi⁠-⁠year QA experience and a customer-first mindset, and a DogQ tool that is specifically designed for seamless web testing automation. Our focus is on enabling seamless collaboration within teams to enhance productivity and testing outcomes.


  • Location: Boise, Idaho, USA
  • Employee number: 51-200 employees
  • Average hourly rate: $100 - $149/hr
  • Min. project size: $5,000

QualityLogic offers a comprehensive range of services including functional and non-functional testing, test automation, and QA training services. It delivers exceptional QA services, focusing on providing actionable insights and results that drive client success. The company has built a reputation for rigorous testing processes and expertise in the latest QA methodologies and tools.


  • Location: Pleasanton, California, USA
  • Employee number: 501-1,000 employees
  • Average hourly rate: $25 - $49/hr
  • Min. project size: $10,000

QASource provides high-quality offshore QA, automation, and API testing, and QA analysis.

It is renowned for its dedicated team of experts who ensure that clients receive scalable and cost-effective solutions tailored to meet their unique needs. The firm excels in its commitment to maintaining the highest quality standards and helping clients navigate complex QA challenges.


  • Location: Warsaw, Poland
  • Employee number: 201-500
  • Average hourly rate: $25 - $49/hr
  • Min. project size: Not specified

DeviQA is known for its expertise in delivering comprehensive QA services, with a strong focus on automation and cutting-edge technologies. Specializes in full-cycle testing services, including automation, performance, and mobile app testing.


  • Location: Lakewood, Colorado, USA
  • Employee number: 800+ employees
  • Average hourly rate: $25 - $49/hr
  • Min. project size: $10,000

A1QA offers services in test automation, QA consulting, cybersecurity, and integration testing.

About: A1QA has been providing software testing services since 2003, catering to various sectors including government, aerospace, and telecommunications, and is focused on ensuring high-quality software delivery​.

QA Mentor

  • Location: New York, USA
  • Employee number: 300-500 employees
  • Average hourly rate: $25 - $49/hr
  • Min. project size: $10,000

QA Mentor is recognized among other software testing outsourcing companies for its strategic QA services and extensive testing capabilities, supporting multiple industries with innovative solutions. It provides a wide range of services including QA auditing, test plan development, and execution.


  • Location: Montevideo, Uruguay
  • Employee number: 50-200 employees
  • Average hourly rate: $50 - $99/hr
  • Min. project size: $5,000

It specializes in software testing and quality assurance with a focus on reducing risks and improving application performance. QAlified is dedicated to helping companies ensure their software products meet the highest standards of quality and efficiency through rigorous testing and expert QA services.


  • Location: Mechanicsburg, Pennsylvania, USA
  • Employee number: 1,000-5,000 employees
  • Average hourly rate: $25 - $49/hr
  • Min. project size: $5,000

Specializes in a wide range of services including test automation, accessibility testing, and next-gen testing services. TestingXperts is committed to improving the ROI of its clients by implementing the best practices in the field and leveraging its in-depth expertise to ensure the delivery of top-quality software.


  • Location: Roseville, California, USA
  • Employee number: 350 employees
  • Average hourly rate: $50 - $99/hr
  • Min. project size: $5,000

Solvd is among the top software testing outsourcing companies for its agile approach to QA and its commitment to delivering tailor-made solutions designed to meet the unique requirements of each client, enhancing their operational efficiency and product quality. Offers manual testing, as well as automated, performance, and mobile testing among other services.

QA Wolf

  • Location: Seattle, Washington, USA
  • Employee number: 50-249 employees
  • Average hourly rate: Information not specified
  • Min. project size: $5,000

QA Wolf is designed to help teams achieve extensive test coverage within months, supporting continuous deployment through robust, automated testing frameworks that ensure software quality and reliability​​. Provides automated application testing solutions with a focus on creating and maintaining end-to-end test coverage quickly and efficiently.


  • Location: New York, USA
  • Employee number: 50-249 employees
  • Average hourly rate: $20 - $49/hr
  • Min. project size: $1,000

TestMatick is recognized for its meticulous attention to detail and its comprehensive range of services that guarantee high-quality, bug-free software products for its clients.

These profiles offer insights into each company’s specific areas of expertise in QA and testing, illustrating their commitment to enhancing software quality and client satisfaction. Specializes in QA manual, automated, and mobile application testing.


  • Location: Tallinn, Estonia
  • Employee number: 250-500 employees
  • Average hourly rate: $50 - $99/hr
  • Min. project size: $5,000

Testlio specializes in networked testing, as well as functional, usability, and localization testing. It is a networked QA platform that combines a global network of expert testers with powerful platform capabilities. The company is known for its agile approach to testing and a strong focus on enhancing user experience, making it a preferred partner for high-growth and large enterprises looking to optimize their software products for performance and user satisfaction.


  • Location: Hyderabad, India
  • Employee number: 3,891 employees
  • Average hourly rate: $25 - $49/hr
  • Min. project size: $10,000

Cigniti offers a broad range of services including Quality Engineering, Advisory and Transformation, Next Generation Testing, and Core Testing services. It is renowned for its comprehensive, AI and IP-led Digital Assurance and Digital Engineering services. The company is focused on helping global enterprises accelerate their digital transformation with a strong commitment to delivering defect-free software products.


  • Location: Aurora, Colorado, USA
  • Employee number: 51-200 employees
  • Average hourly rate: $100 - $149/hr
  • Min. project size: $10,000

Provides full-cycle QA services including accessibility, mobile, website, and automation testing. IBeta Quality Assurance specializes in multi-platform testing services with a full array of QA testing and user experience analysis aimed at improving the performance and reliability of applications across all user touchpoints.

Mindful QA

  • Location: Los Angeles, California, USA
  • Employee number: 1-50 employees
  • Average hourly rate: $100 - $149/hr
  • Min. project size: $1,000

Mindful QA is an American QA company that provides flexible services with an emphasis on ethical business practices. The company prides itself on its commitment to social responsibility and contributing to charitable causes with each project they undertake. Focuses on manual and automated testing, web and mobile app testing, and API testing.

Software Testing Company Hiring FAQ

1. How do I choose the best software testing company?

To choose the best software testing company, check their expertise that coincides or has something in common with your project requirements. Evaluate their industry experience, technical skills, client testimonials, and case studies. Assess their approach to quality assurance, their use of the latest tools and technologies, and their ability to integrate with your existing workflows.

2. What questions do I ask when hiring an app testing company?

When hiring an app testing company, you should inquire about:

  • Their experience with similar projects;
  • Methodologies and tools they use;
  • How do they ensure the confidentiality and security of data;
  • Communication and reporting processes;
  • How they handle unexpected challenges or bugs;
  • References or case studies from past projects.

3. Factors Affecting Cost

The cost of software testing can vary based on several factors:

  • The size and the architecture of the application;
  • The type of testing required (manual vs automated);
  • The expertise level of the testers;
  • The geographical location of the team;
  • The timeline for completion and urgency of the project.

4. Who are the most budget-friendly web application testing companies?

Budget-friendly web application testing companies often operate in regions with lower labor costs, such as Eastern Europe, Asia, and South America. Companies like Cigniti, QASource, and A1QA are known for providing cost-effective services without compromising on quality.

5. What are the types of software testing?

There are numerous types of software testing, each serving a different purpose in the development cycle. Here are the most common ones:

  • Functional: Verifies that each function of the software operates in conformance with the requirement specification;
  • Non-functional: Includes checking of non-functional requirements such as performance, usability, reliability, etc.;
  • Automated: Uses specialized tools to execute tests and compare actual outcomes with predicted outcomes;
  • Security: Involves checking the software for confidentiality, integrity, authentication, availability, and non-repudiation;
  • Regression: Ensures that recent code changes have not adversely affected existing functionalities;
  • Acceptance: Checks whether the app aligns with the business requirements and whether it’s acceptable for delivery.

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