Outsource Functional Testing Services

Functional Testing Services

Ensure that your software meets the pre-defined functionality criteria and delivers the desired outcome by choosing our functional testing services at prices starting at $20/hour

It is important to verify that your software renders the intended results and that there are no issues with conforming to the specific requirements of your business. To check if your software meets the pre-defined functionality criteria and ensure that it gives you the results you need, you need to put it through a set of extensive tests.

Flatworld Solutions (FWS) is a leading functional testing company and provides comprehensive and accurate functional testing services performed by a team of capable and experienced testers. Our functional testing professionals can help you ensure the quality, stability, and functionality of your software. Furthermore, we will be in continuous communication with you throughout the functional testing lifecycle to make sure that the test objectives are aligned with your business goals.

Functional Testing Services We Offer

Organizations conduct functional testing to determine the usability and functionality of their applications. It is performed at various phases in the software development cycle. At Flatworld Solutions, we offer an all-encompassing suite of functional testing solutions, including manual and automated testing, and it includes the following -

  1. System Integration Testing

    System Integration Testing

    At Flatworld Solutions, we endeavor to provide software testing services of the highest quality. We incorporate the most optimal testing approach and functional testing tools in our system integration testing service, ensuring that every individual module, batch operation, interface, product setup, and reporting functionality of the application functions properly. We can establish the conformance level of an application with the technical and functional specifications as set out in the document, by putting your software application through intensive system integration testing.

  2. Regression Testing Services

    Regression Testing Services

    The functional testing experts at Flatworld are capable of executing regression tests in different models of app development lifecycle like Agile, iterative, waterfall, and so on. This test is performed to ensure that the software applications function properly even after modifying the code or configuration, or interfacing with other software apps. By incorporating continuous and repeated iteration testing, we validate the software functionality, ascertain that there are no occurrences of recurring defects, and that the application is foolproof.

  3. Web Services Testing

    Web Services Testing

    At Flatworld, we have in-depth experience in providing the full suite of web services testing to customers from across industries, situated worldwide. Our testers are well trained in the latest and most robust testing tools, and hence well placed to perform accurate functional test planning and testing of your software application.

  4. Cloud Testing Services

    Cloud Testing Services

    Multi-tenancy testing, data migration testing, integration testing, compatibility testing, functionality testing, performance testing, security testing, automated functional testing services, and so on are the cloud testing services you can avail from the expert testers at Flatworld Solutions.

  5. Unit Testing Services

    Unit Testing Services

    Each unit in the code is validated to ensure that it functions as per the set design. Finite state machine coverage testing, statement coverage testing, decision coverage testing, condition coverage testing, and branch coverage testing are some of the chief unit testing services we provide.

  6. Sanity Testing Services

    Sanity Testing Services

    This type of functional testing in software testing is performed after a software app is subjected to modifications in the code and functionality so that you can be sure that all the errors have been resolved, and no new ones have cropped up after making the changes. Exploratory testing, unit testing, regression testing, incremental integration testing are some of the sanity testing services you get when you outsource your functional testing requirements to Flatworld Solutions.

  7. Exploratory Testing Services

    Exploratory Testing Services

    At Flatworld, we perform thorough exploratory tests like fixed time testing, defect categorization, test results analysis, test results compilation, and charter development. These tests are carried out as an unscripted and rich intellectual investigation that runs parallel to scripted and predefined tests and provides valuable insights into the larger coverage of the functional behavior of the software.

  8. Network Testing Services

    Network Testing Services

    Our prolific testing team is adept at performing a comprehensive range of superior quality network tests, including functional testing in agile. These include, but are not limited to firewall rules updating services, routing policy change services, and circuits or site turn-up services.

  9. Continuous Integration Testing Services

    Continuous Integration Testing Services

    If you require continuous integration testing to be carried out, our testers at Flatworld can conduct regression testing, load testing, scalability testing, and performance testing.

  10. Managed Testing Services

    Managed Testing Services

    These are some of the managed testing services Flatworld Solutions provides: application security testing, defect management performance/load testing services, managing test data, and documenting test cases.

  11. Mainframe Testing Services

    Mainframe Testing Services

    Services in this category include mainframe quality assurance, application testing, user acceptance testing, test environment management, integration testing, and system testing, among others.

  12. Managed Crowd Testing Services

    Managed Crowd Testing Services

    This test is performed by using a small crowd of actual users to crush issues of device fragmentation across locations and browsers. Regression testing, functional testing, ad-hoc testing, compatibility testing, usability testing, performance testing, user acceptance testing, automation testing, and localized testing are some of the tests we perform in this arena.

  13. ETL Testing Services

    ETL Testing Services

    The ETL testing services we provide include production validation, app upgrade testing, source to target testing, testing metadata, testing data transformation, and testing data accuracy, among others.

  14. SOA and Web Services Testing Services

    SOA and Web Services Testing Services

    Service-Oriented Architecture or SOA is a method of combining business processes and applications to fulfill business requirements, and this makes processes more flexible and agile. SOA testing tests the SOA style of architecture to ensure that the various software components communicate using the network protocols as intended. Our SOA and web services testing comprise performance testing, regression testing, interoperability testing, functional testing, portal and content management testing, and also vulnerability assessment.

  15. Test Automation Services

    Test Automation Services

    As part of test automation, we provide services like migrating to automatic from manual, migrating the testing platform, developing test frameworks, auto script generation, and support for custom and phased automation.

  16. Independent Verification and Validation

    Independent Verification and Validation

    We provide the full suite of independent verification and validation testing as part of our software functional testing services, including regression test, load test, requirements management, mobile platform testing, and system acceptance tests.

  17. Functional Test Automation

    Functional Test Automation

    At Flatworld Solutions, we adopt the best principles of script development and documentation to perform test automation. We can fulfill your test automation requirements and implement the best frameworks for automation, and at the same time, incorporate test management tools with automation tools. These sets of tests will help you achieve the desired user acceptance, and consequently, your overall performance, productivity, reliability, and functional coverage of the app development project will improve.

  18. User-Acceptance Testing

    User-Acceptance Testing

    This is the final frontier before software release; our user acceptance testing services comprise the regression testing of the projected and maintenance releases that are under way. Batch processing, business process flow, alerts, interfaces, and reports form part of this process.

Key Benefits of Functional Testing Services

There are several benefits to performing functional testing services, including -

  • You get a software product that is free of any defect
  • Make sure that all requirements are met
  • Establish that every functionality of the software is working as it should
  • Enhance the quality of the product
  • Improve the safety and security of your software
  • Mitigate the potential risk or loss

Functional Testing Tools We Use

We use a full array of functional testing tools, including, but not limited to -

Selenium SoapUI TestingWhiz JUnit TestComplete Watir Ranorex QTP Swagger UI Postman

Other Services You Can Benefit from

Why Outsource Functional Testing Services to Flatworld Solutions?

When you choose to outsource functional testing services to Flatworld Solutions, we will ensure that you get smooth, seamless services and that your software meets the end-user functionality expectations. As a prominent provider of functional testing services, our customers enjoy numerous benefits when they outsource functional testing requirements to us -

  • Cost-effective Pricing

    We provide affordable and flexible pricing options that fit a wide range of budgets.

  • Data Security

    We are an ISO/IEC 27001:2022 ISMS certified company and take every precaution to ensure the security of your data.

  • Quality Assurance

    We have a prolific team of QA professionals with immense expertise and experience.

  • SPOC

    We will assign a dedicated project manager who will be your single point of contact for communicating all your requests and concerns.

  • Scalability

    We provide scalable services and easy management of additional workload thanks to the ample bandwidth, technologies, and skills we possess to match increasing service requirements.

  • Global Presence

    Our functional testing team works out of multiple delivery centers across the world, allowing us to deliver quality services in quick turnaround times.

  • Efficient Work Processes

    We practice effective work methodologies like DevOps and Agile.

  • Superb Infrastructure

    Flatworld has top-notch workspaces and access to cutting-edge tools and technologies.

Client Success Story

FWS Developed a Feature-packed Power BI-based App for Advanced Data Analysis

FWS Developed a Feature-packed Power BI-based App for Advanced Data Analysis

A leading transportation company was looking for an app to help it analyze large amounts of customer feedback data. We created a Power BI-based app that did the job perfectly.

Read more
FWS Created a Sophisticated Music App to Facilitate Song Downloading and Playlist Creation

FWS Created a Sophisticated Music App to Facilitate Song Downloading and Playlist Creation

We developed a modern, feature-packed, and sleek app to enable users to download music from Apple Music and Spotify and create playlists.

Read more

Outsource Functional Testing Services to Flatworld Solutions


A robust congratulations to the team at FWS for a job well done.

CMO, Leading Medical Care Company in Seattle, WA More Testimonials »

Flatworld Solutions has been providing a wide range of testing services to global companies for nearly two decades. Our in-depth knowledge and rich experience make us your best option to handle all your functional testing requirements and ensure flawless, high-octane software applications. We leverage our immense skills and robust tools and technologies to deliver the most optimal outcomes for our customers.

Are you looking for a dependable and affordable functional testing service provider? Get in touch with us today!

Contact Us


Decide in 24 hours whether outsourcing will work for you.

Important Information: We are an offshore firm. All design calculations/permit drawings and submissions are required to comply with your country/region submission norms. Ensure that you have a Professional Engineer to advise and guide on these norms.

Important Note: For all CNC Services: You are required to provide accurate details of the shop floor, tool setup, machine availability and control systems. We base our calculations and drawings based on this input. We deal exclusively with(names of tools).

Ok, Got it.

Read our Privacy Policy.

Info Email


Flatworld Solutions

116 Village Blvd, Suite 200, Princeton, NJ 08540


Aeon Towers, J.P. Laurel Avenue, Bajada, Davao 8000

KSS Building, Buhangin Road Cor Olive Street, Davao City 8000

PARTNER WITH US Read about Partners & Alliances programs at Flatworld Solutions! Read More

3rd Edition Middle East Banking AI and Analytics Summit Read More