Your business requires top software testing and QA services to prevent bugs in production and secure your reputation. Imagine a user encountering a login issue or a checkout page that takes a long time to load or causes app crashes. Errors such as these undermine confidence and harm a brand’s competitive advantage.
Based on our experience, internal teams often lack the time and resources necessary to identify significant issues across devices and networks. That's why teams seek external QA partners. External experts provide established methodologies, automation tools, and security testing techniques that speed up release cycles and identify risks early. This enables companies to consistently deliver user-focused products at scale, building trust and staying competitive.
In this blog, we will explore the importance of software testing, discuss why businesses choose independent QA companies over in-house teams, and the software testing services you can scale globally. Here is what the leaders will provide in 2025
At Global App Testing, software testing is a structured process of continuously validating whether a product performs consistently across various devices and platforms.
What is Quality Assurance
Software testing primarily addresses performance, functionality, and stability. In contrast, quality assurance is a more comprehensive approach that guarantees quality in the end product throughout every part of the product development process, all integrated into the continuous integration and deployment pipeline (CI/CD). QA is also responsible for the design of the end-to-end test cases and scenarios, including the documentation and risk-based testing.
To maximize coverage and minimize testing time in test execution, QA teams utilize writing both manual and automated tests for the functional and non-functional aspects of the application.
This hybrid approach prevents issues with usability, security, and performance bottlenecks, ensuring that a company builds and maintains long-term trust with its customers.
In-house QA teams and independent software testing companies both have their unique strengths. In-house teams bring deep product knowledge, and outsourcing brings scalability to the table. However, many organizations struggle to choose between in-house and outsourced QA testing companies. Understanding these differences helps them make the right choices that align with their product objectives and business requirements.
The table below compares in-house QA with an Independent QA Company:
In-House QA Team |
Independent QA Company |
|
Deep understanding of the product |
Brings a fresh perspective and unbiased evaluation |
|
Limited coverage in specialized areas like localization, accessibility, or language testing |
Expertise across localization, accessibility, and language testing |
|
Requires costly investment in devices and infrastructure |
Provides wide device and platform coverage without extra cost |
|
Scalability is limited by long hiring cycles |
Flexible team scaling testers can be added or removed on demand |
|
Internal reporting may lack structure and objectivity |
Comprehensive, data-driven reporting with actionable insights. |
At the end of the day, the right QA partner should act as a part of your team and provide high-quality experiences at speed and scale, with confidence.
There are multiple software companies available in the market; selecting a reliable one can be challenging. To help QA managers assess these options, we have listed below our top ten picks that provide software testing services:
Global App Testing
Testlio
Testlio combines expert testers and real-world coverage to help companies accelerate releases, improve quality, and confidently scale their digital products.
QA Mentor
QA Mentor serves clients from startups to established companies across various industries. The company offers QA services, including performance testing, automation testing, functional testing, and crowdsourced testing. It also maintains high-quality and timely software releases.
Infosys provides enterprise-grade security testing, including digital transformation, cloud services, AI-driven testing, and data analytics. It also ensures regulatory compliance for large-scale global projects.
Cigniti
Cigniti is an AI & IP-led Digital Assurance Specialist, focusing on enterprise and consumer applications. It also ensures Quality engineering and next-generation testing services like AI, IoT, and blockchain testing.
Applause
Applause specializes in usability testing and functional testing across web, mobile, and IoT platforms. It provides flexible testing models that scale with project complexity and deadlines.
Qualitest
Qualitest is a global provider of AI-led quality engineering solutions, including automation, performance, cybersecurity, and exploratory testing. It provides end-to-end QA consulting, helping organizations enhance their software quality processes.
capgemini
Capgemini offers robust and managed testing services, as well as strategic QA consulting. It specializes in automation, performance, and integration testing.
Mindtree offers development and testing services, including analytics, cloud computing, digital transformation, and application development and maintenance. It provides integrated quality engineering services, including functional, automation, and performance testing.
EPAM system
EPAM helps enterprises and startups develop and test innovative digital products. The company combines software engineering expertise with business and experience consulting.
These firms rank among the leading software testing companies, offering scalable software testing and QA services to global clients.
Customers expect a high-quality user experience and functionality due to a large number of options for every software. For example, the online market is so extensive that if your platform fails to ensure quality, customers will jump to the next one. This makes testing more challenging as teams need to provide not only functionality but also performance, accessibility, and support across diverse devices and platforms.
The core services that the testing vendors provide typically include:
With numerous testing approaches and types, you may wonder which one best suits your product. That’s where GAT expert QA teams can help you by building a QA strategy that combines different testing techniques for your business. Let’s examine how they prioritize these QA services.
Imagine you are launching a mobile app for teenagers worldwide. Evaluating its performance through functional testing alone isn’t enough. You also need localization testing to ensure teens in Tokyo, Paris, or the US see a product that is designed for them. Different products have different needs, and so the type of testing should align with the business objectives and target audience.
Let’s take a look at how you can decide which testing services to prioritize first based on your product domain:
Let's examine how testing companies approach both automation and manual testing, now that we've reviewed the testing services to consider.
QA testing companies maintain a balance between automation and manual testing to achieve speed, accuracy, and user-focused results.
Let’s see which areas are covered through automation and which still require manual testing:
Test Automation is best suited |
Manual Testing remains critical |
|
Stable, repeatable test cases, regression testing, security/vulnerability testing and integration testing |
Exploratory testing to identify edge cases |
|
Cross-platform application across various devices, operating systems, and browsers. |
User interface and user experience (UI/UX) validation. |
|
Continuous testing in CI/CD pipelines. |
Third-party app integrations, such as Google SSO sign-in. |
In our initial meetings with customers, we find QA managers being overwhelmed by the numerous testing providers in the market. Based on our experience, their evaluation mainly centers on domain expertise, workflows, feedback loops, and case studies when selecting a QA testing partner.
Evaluating QA Partners
Below are the top 6 FAQs that you should keep in mind as a QA manager or VP while evaluating a testing partner:
1. Does it support your testing and workflow tools?
The company should support tools and platforms that are compatible with your workflow for faster integration within your team. For instance, Global App Testing integrates with Jira and GitHub, providing developers with real-time bug reports and issue tracking.
2. Does the company have domain expertise relevant to your product?Assess their track record in your domain. Identifying similarities between your project and your QA partner, with proven success across the industry. Check out how our domain expert QA team helped an ecommerce company reduce testing time by 50%.
3. Does the provider track the right metrics and show in-depth dashboards?
Strong QA providers deliver real-time, actionable reports. These reports should show you the issues, progress, and whether the application is ready for production.
4. Does the company adhere to security and compliance regulations?
Check whether the company protects your data. Compliance (ISO) ensures structured processes and reduces risk in regulated industries. This demonstrates that they have proper processes and quality checks in place.
5. Does the company provide an expert team of testers?
Closely evaluate how they plan, execute, and document their test cases. A mature methodology reflects both thoroughness and scalability, and reflects that it won’t miss critical flows.
6. Will the vendor be able to scale globally with your product?
Your testing partner should have the capacity to grow with your needs and work seamlessly as part of your team, without creating additional problems. With our Crowdsourced testing network, Global App Testing enables enterprises to launch globally and scale their testing capacity.
With these factors in mind, let’s look at what qualities make a software testing partner reliable.
Fast releases, evolving user expectations, and complex tech stacks demand more than basic QA. The right testing partner does more than simply executing tasks. They understand and adapt to your business needs. Here is what makes a software testing company reliable:
When taking these factors into consideration, pick a testing partner who not only guarantees professional QA but also ensures customer satisfactionfor your product.
A strong QA strategy simultaneously delivers high-quality software, ensures your application has reliable performance and meets user expectations, and eventually helps businesses grow.
To define a successful QA approach:
Are you trying to launch globally but don't have the time to hire more QAs because your in-house team is small? Reach out to the worldwide network of QA engineers who can offer automation testing, localization testing, and a host of other QA services in a matter of days!
Connect with our experts to discover the ideal testing approach for your specific goals.