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Quality assurance software testing company

Quality assurance (QA) is meant to verify that your solution corresponds with the requirements and addresses the users’ needs. For nearly a decade, Yellow has been here to help you test your mobile or web applications and make sure they work like clockwork. 

Our QA engineers are ready to apply best practices, tools and the latest technologies to help you establish concrete control over your product’s life cycle by monitoring every development stage and giving you accurate product quality information.

2M+tests executed
100K+test cases
7+years of experience

Our QA services

Since 2015, Yellow has provided high-quality testing services to all types of companies, from startups to Fortune 500 enterprises. Your software will be verified with top-notch methods and tools. We have solid expertise in the following options:

Automated testing

We develop custom scripts and tailor them to your project requirements. It’s a long-term investment that will facilitate the process and bring huge gains for team efficiency by optimizing routine and recurring tasks.

Common automated tests include:

  • UI

While conducting UI testing, engineers focus on visual and graphic-based elements of the software product like toolbars, fonts, buttons, menus, text boxes, and more to ensure that all UI functions are bug-free and work exactly as they are designed.

  • API

As the name suggests, these cases focus on an application program interface’s (API) functionality, security, performance, and reliability, as well as on business logic and the security of the application and data responses

  • Performance

The goal here is to determine the stability, speed, scalability, and responsiveness of an application, as well as to find bugs and then fix them to ensure the software product holds up under a given workload.

  • Security

At this stage, QA engineers look for vulnerabilities, possible loopholes, and weaknesses in the system which might result in a data leak or disrepute to the business. Given that data is the new gold of the 21st century, security testing should never be neglected.

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Automated testing

We develop custom scripts and tailor them to your project requirements. It’s a long-term investment that will facilitate the process and bring huge gains for team efficiency by optimizing routine and recurring tasks.

Common automated tests include:

  • UI

While conducting UI testing, engineers focus on visual and graphic-based elements of the software product like toolbars, fonts, buttons, menus, text boxes, and more to ensure that all UI functions are bug-free and work exactly as they are designed.

  • API

As the name suggests, these cases focus on an application program interface’s (API) functionality, security, performance, and reliability, as well as on business logic and the security of the application and data responses

  • Performance

The goal here is to determine the stability, speed, scalability, and responsiveness of an application, as well as to find bugs and then fix them to ensure the software product holds up under a given workload.

  • Security

At this stage, QA engineers look for vulnerabilities, possible loopholes, and weaknesses in the system which might result in a data leak or disrepute to the business. Given that data is the new gold of the 21st century, security testing should never be neglected.

Read more

Manual testing

During manual testing, our specialists look at the application from the user’s perspective. They check everything on various devices to provide the most comprehensive results and analysis.

Common manual tests include:

  • Acceptance

The purpose of acceptance testing is to determine the degree to which the software product meets the user's needs and evaluate the system's compliance with the business requirements.

  • Unit

During unit testing, the small pieces of code remain in focus to ensure that the software development process is flexible and agile. 

  • Integration

At this stage, QAs check the software modules as a group. This is usually the second level of the software testing process after the previous one.

  • System

This level examines the fully integrated and complete software product. QA engineers put the product in an environment that closely mirrors production to verify whether it meets the technical, functional, and business requirements.

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Manual testing

During manual testing, our specialists look at the application from the user’s perspective. They check everything on various devices to provide the most comprehensive results and analysis.

Common manual tests include:

  • Acceptance

The purpose of acceptance testing is to determine the degree to which the software product meets the user's needs and evaluate the system's compliance with the business requirements.

  • Unit

During unit testing, the small pieces of code remain in focus to ensure that the software development process is flexible and agile. 

  • Integration

At this stage, QAs check the software modules as a group. This is usually the second level of the software testing process after the previous one.

  • System

This level examines the fully integrated and complete software product. QA engineers put the product in an environment that closely mirrors production to verify whether it meets the technical, functional, and business requirements.

Read more

Share your problem, and we’ll find the best way to solve it. The consultation is free & has no commitments.

When do you need QA services?

  • You feel like improving the quality of your product

  • The development cycles are too long

  • You think that hiring an in-house QA engineer will be too expensive

  • Your in-house QA team lacks professional skills 

  • You noticed poor-quality visibility and an unclear feedback loop

  • You want to deliver bug-free software products to your users 

How we test software products at Yellow

At Yellow, we follow a pyramid strategy to make sure your software works like clockwork.

Unit tests level

They are applied to small pieces of code to ensure they work as expected. In other words, unit tests isolate a section of code (function, module, or object) and verify its correctness. They are specific, quick to execute, help to fix bugs early in the development cycle, and save costs. One of the biggest advantages is that unit tests can serve as project documentation.

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Unit tests level

They are applied to small pieces of code to ensure they work as expected. In other words, unit tests isolate a section of code (function, module, or object) and verify its correctness. They are specific, quick to execute, help to fix bugs early in the development cycle, and save costs. One of the biggest advantages is that unit tests can serve as project documentation.

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Service tests level

These are applied to various components of the application without involving the UI. This type is meant to validate the API surface of a microservice with databases, queues, caches, and mock HTTP/gRPC endpoints set up locally.

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Service tests level

These are applied to various components of the application without involving the UI. This type is meant to validate the API surface of a microservice with databases, queues, caches, and mock HTTP/gRPC endpoints set up locally.

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UI tests level

Also known as GUI testing, it’s applied to all parts of the user interface to ensure everything works correctly and users won’t have any problems while interacting with it. Usually, they verify whether the visual elements are functioning according to requirements.

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UI tests level

Also known as GUI testing, it’s applied to all parts of the user interface to ensure everything works correctly and users won’t have any problems while interacting with it. Usually, they verify whether the visual elements are functioning according to requirements.

Read more

Manual tests level

Can be applied to any part of the app if necessary. Our specialists use custom cases to check the app’s functionality.

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Manual tests level

Can be applied to any part of the app if necessary. Our specialists use custom cases to check the app’s functionality.

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We provide software quality assurance services for all types of platforms

Yellow’s QA specialists will make sure that your users enjoy the smooth and bug-free 
performance of the application regardless of the platform.

Mobile

Our QA team will make sure your application works and looks as it should on all devices and all platforms. We test the app’s usability, performance, and security to provide users with a functional solution.

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Mobile

Our QA team will make sure your application works and looks as it should on all devices and all platforms. We test the app’s usability, performance, and security to provide users with a functional solution.

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Web

At Yellow, we provide QA services for various types of web apps. Whether it’s a huge cloud-based marketplace, a progressive web app, or a small landing page, everything will be checked with the same level of scrutiny.

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Web

At Yellow, we provide QA services for various types of web apps. Whether it’s a huge cloud-based marketplace, a progressive web app, or a small landing page, everything will be checked with the same level of scrutiny.

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Desktop

QA engineers at Yellow will put your software into different conditions to analyze its conformance with behavioral requirements, quality specifications, and hardware compatibility.

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Desktop

QA engineers at Yellow will put your software into different conditions to analyze its conformance with behavioral requirements, quality specifications, and hardware compatibility.

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Software QA services by types

During software development
During software updates
  • Functional

  • Performance

  • Compatibility

  • Usability

  • Accessibility

  • Security

  • Release

  • Penetration

  • Regression

  • Exploratory

  • Compliance

Software testing and quality assurance services by Yellow

As a software testing services company, we care a lot about giving teams solid, bug-free software that meets your business needs and is easy-to-use.

QA services on demand

Yellow can work as a software quality assurance company and take charge of the whole QA process, from elaborating a QA strategy to building activities and managing the team.

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QA services on demand

Yellow can work as a software quality assurance company and take charge of the whole QA process, from elaborating a QA strategy to building activities and managing the team.

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Testing as a service

Yellow takes over the whole process from creating test strategy, writing scripts and providing frameworks for automated testing to actually executing and managing activities and providing reports.

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Testing as a service

Yellow takes over the whole process from creating test strategy, writing scripts and providing frameworks for automated testing to actually executing and managing activities and providing reports.

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Managed testing services

If you want to add an experienced QA engineer to your team but have no time to onboard a specialist, Yellow’s tech talents can work under your in-house QA manager’s supervision

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Managed testing services

If you want to add an experienced QA engineer to your team but have no time to onboard a specialist, Yellow’s tech talents can work under your in-house QA manager’s supervision

Read more

Software QA service by industries

What industries need software QA services? It’s easier to say what businesses don’t need them. The list includes (but of course isn’t limited to):

Healthcare

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Healthcare

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Education

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Education

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Financial services

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Financial services

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Home services

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Home services

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Communication

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Communication

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Entertainment

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Entertainment

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eCommerce

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eCommerce

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Logistics

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Logistics

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Manufacturing

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Manufacturing

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Travel & Hospitality

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Travel & Hospitality

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Benefits of Yellow's software testing team

Make sure your software works like clockwork

What people say

Our insights

Here are the valuable insights on QA services that we already collected while working on various projects and published in our blog. Stay tuned for more!

Answering questions

What types of tests do you use?

We use automated and manual testing if necessary. Also, we can apply both functional and non-functional tests to your project.

What testing strategy do you use?

We use a testing pyramid that includes unit tests, service tests, UI tests, and manual tests.

What platforms do you work with?

Our specialists are ready to provide testing services for web and mobile (iOS, Android) applications.

Why Yellow?

We implement a business-before-technology approach, provide substantial post-release support, and create our own products where we gain expertise about the entire project lifecycle.