Functional Testing Services

Functional Testing Services are designed to increase the software reliability and end users’ satisfaction.

Functional Software Testing is the process of testing a software application’s functionality to ensure that it meets the business requirements. To begin with, the tester needs to understand the business requirements and then create test cases that cover all the possible scenarios related to the functionality.

Once the test cases are created, the tester executes them to check if the application behaves as expected.

Header image

Our Functional Testing process

Discover the

  • This step involves identifying and documenting all the necessary features and functions that the software must possess to meet the needs of the end-users and stakeholders. By clearly defining the requirements, developers, and testers can work together to ensure that the software functions as expected and meets all necessary specifications.
arrow pointing from box to box

Develop the

  • QA engineers create a list of testing scenarios and collect the test data to check all functions and potential use cases. The scenarios are comprehensive and cover the full range of possible user interactions. Additionally, we document each scenario and the anticipated outcome so that our results will be both clear and consistent.
arrow pointing from box to box

Define the

  • Clear and concise testing objectives are established to guide the testing process, and success criteria are defined to measure the effectiveness of the testing outcomes.
arrow pointing from box to box

Test Cases

  • The execution of Functional Test Cases involves a series of steps performed in a specific order to ensure that the software under test meets the desired functional requirements. The process also involves identifying defects or issues and documenting them for further analysis and resolution.
arrow pointing from box to box
MORE ABOUT Software Testing

Why do clients choose us?

Illustrative icon

AI-powered testing

We leverage advanced technology to ensure the best results and test accuracy.

Illustrative icon


We are the most reviewed company on Clutch, with exclusively 5*star reviews”.

Illustrative icon

Certified QA engineers

We focus on the constant competencies development of our experts.

What do clients
say about us?

Case Studies

  • UX Audit for a Catering Application UX Audit for a Catering Application
    food production | 23 May 24
    UX Audit for a Catering Application
    By addressing user feedback, improving key functionalities, and implementing targeted design changes, the application is poised to meet its business objectives and provide a superior user experience.
    Learn more
  • SaaS modernization for Paddle Sports Center in California SaaS modernization for Paddle Sports Center in California
    leisure | 14 Feb 24
    SaaS modernization for Paddle Sports Center in California
    The client reported a 15-20% increase in revenue, attributed to efficiency gains and the ability to accurately track time, underlying the modernized rental system.
    Learn more
  • Service Intelligence: App for vehicle maintenance Service Intelligence: App for vehicle maintenance
    transportation | 06 Oct 23
    Service Intelligence: App for vehicle maintenance
    We assisted our client eAutoClub in launching market disruptive application for smart managing of vehicles maintenance.
    Learn more

Our Technology Stack


Functional Testing Services from Artelogic

Let’s discover the basic functional testing types frequently used in functionality testing services. Our QA engineers can assist you in selecting the relevant to your needs technics and tools to ensure the functional tests contribute to the highest quality of the entire software system.

Find out more

Unit Testing

Software testing services often involve a process known as unit testing, which focuses on testing individual components of a software system to ensure that each unit performs as intended according to its design specifications. The primary goal of this type of testing is to validate the functionality and reliability of each unit, ensuring that the entire software system operates smoothly and without error.

Regression Testing

Software testing is a crucial process that ensures the reliability and accuracy of software. One such type of testing is called regression testing, which aims to verify that any changes or modifications made to the software do not affect its existing functionality. 

This is done to identify any potential issues or bugs that may have been introduced during the modification process and to ensure that the software continues to perform as intended. Regression testing plays a critical role in maintaining the quality and stability of the software and is an essential part of the software development life cycle.

System Testing

Software testing involves the evaluation of complete and integrated software to ensure that it meets the specified requirements. This type of testing is known as system testing and is conducted to determine the system’s compliance with the expected standards. Its purpose is to identify any flaws or defects in the software and ensure it functions as intended.

Integration Testing

Unit testing is a software testing technique that involves combining individual software components and testing them as a group to identify faults in their interaction. The objective of this type of testing is to ensure that each unit functions as intended and also works effectively when combined with other units in the software application. 

By conducting unit testing, developers can identify and address integration issues early in the software development cycle, thus ensuring a more stable and reliable application.

Black Box Testing

Black-box testing is a type of software testing that assesses the functionality of an application without examining its internal code structure, implementation details, or knowledge of the inner paths of the software. This testing technique determines how well the application has been designed and if it works as intended. The testing process involves analyzing the input and output of the software and verifying that they match the expected results. 

Additionally, black-box testing ensures that all the features and requirements of the application are working as intended, providing a comprehensive overview of the application’s performance and functionality. Black-box testing is particularly useful in identifying defects related to incorrect or missing functionality, errors in user interface and usability, as well as performance and security issues.

Usability Testing

Usability testing is widely used to evaluate how user-friendly a product or service is. In this type of testing, real users are asked to perform specific tasks and are observed by researchers to identify any issues and areas of confusion. The process involves creating scenarios that simulate typical user interactions, such as navigating a website or using an app. 

The goal of usability testing is to gather feedback from users to improve the design and functionality of the product or service, ultimately enhancing the user experience. By analyzing the user’s performance, the researchers can identify patterns of behavior and areas of improvement for the product. This type of testing is crucial for creating products that are intuitive, easy to use, and meet the needs of the target audience.

User acceptance testing

User acceptance testing (UAT), as one of the functional tests, is a crucial process that ensures the software or application meets the user’s requirements and expectations. It is performed in the final testing phase before the software is deployed to production. The purpose of UAT is to validate whether the software meets the business needs, functions as expected, and is user-friendly. 

During UAT, end-users and clients are involved in the testing process to ensure that the software meets all the necessary requirements and specifications. UAT is an essential step in ensuring that the software is ready for release and meets the user’s expectations.(UAT) is a crucial testing process that ensures the software or application meets the user’s requirements and expectations. It is performed in the final testing phase before the software is deployed to production. 

The purpose of UAT is to validate whether the software meets the business needs, functions as expected, and is user-friendly. During UAT, end-users and clients are involved in the testing process to ensure that the software meets all the necessary requirements and specifications. UAT is an essential step in ensuring that the software is ready for release and meets the user’s expectations.

Companies that work with Artelogic

We serve over 100 companies worldwide by providing full-cycle software development; QA and testing services are essential to our deliveries. We are proud of the trust of our clients and strictly adhere to our commitment and NDAs. Among many, we delivered quality assurance software testing services to such businesses:

JewelCandlei logo_home page
BigFood logo_home page
  • Jewel Candle, the e-commerce division of GG Brands, a mid-size company, sells its products in seven EU countries (B2B & B2C) via online shops. We implemented a constant process of Quality Assurance and developed the Test Plan and Test Cases that streamlined the QA process on the client’s side.
  • Forest – a Japanese Real Estate platform owned by Open Room Inc. that connects property agents and buyers. Artelogic QA engineers developed a holistic QA system and implemented the QA automation. 
  • BigFood – leading German food manufacturer that digitalized its business. Artelogic QA engineers assist in digital assets testing.
Contact Us


What does functional testing include?

Functional Testing includes a set of procedures that test the functional requirements of a software application. It ensures that the application meets the specified requirements and functions as expected. This type of testing is essential for identifying and fixing defects before the product is released to the end-users. The service includes the following stages:
– Discovering the software requirements;
– Developing the testing plan and scenarios;
– Defining the testing outcomes;
– Execution;

What are the types of QA functional testing?

Functional Testing covers various types of testing, such as Web Functional Testing, Unit Testing, Integration Testing, System Testing, and Acceptance Testing. Each type of testing focuses on different aspects of the software application. For example, Unit Testing focuses on testing individual units or components of the application, while System Testing focuses on testing the entire system as a whole. The functional testing website covers the issues related to the functioning of your web resources. Overall, Functional Software Testing is a crucial step in the software development life cycle to ensure that the application meets the business requirements and is free of defects.

What is functional testing in QA?

Functional testing of software is a type of QA testing that evaluates how well a system or application functions according to its design specifications. In other words, it tests whether the software application is working as it is supposed to. This type of testing involves checking the software’s interface, APIs, database, security, and other functionalities to ensure that they all work as intended. The goal of functional testing is to identify any defects or bugs in the system and ensure that the software is of high quality and meets the end-user’s requirements.

What sets your functional testing services apart from other testing service providers?

At Artelogic, we take pride in our functional testing services that are powered by our team of highly qualified and certified QA engineers. Our QA engineers undergo a strict certification process that allows us to maintain the highest level of quality in our testing services. Additionally, we are always on the edge of new technologies and functional testing tools, allowing us to provide our clients with the latest and most effective testing solutions. We also leverage the power of AI to enhance our testing capabilities and offer a full-cycle software development approach that ensures comprehensive test coverage. All of these factors and our clients’ 5*star reviews on Clutch set us apart from other testing service providers and enable us to deliver the highest quality functional testing solutions to our clients.

How do you ensure comprehensive test coverage during functional testing?

First of all, we thoroughly gather software requirements. It isn’t a trivial step, as overlooking any detail of requirements can entail the wrong testing workflow. We use well-established processes to guarantee that each QA task has a relevant owner responsible for the final result. Additionally, we document each step, and following the agile methodology, we precisely plan sprints and iterations.

Do you sign an NDA?

Sure, we sign and adhere to the NDA. Artelogic operates in EU jurisdiction and ensures the highest data protection and transparency.

What are your pricing models and factors that influence the cost of functional testing?

The price depends on the project’s complexity. We are flexible regarding the price policy and offer several models, like the pay-per-hour, fixed price, subscription model, etc. Also, we grant our clients loyalty bonuses, such as extra services or discounts.

What qualifications and experience do your functional testers have?

Our functional testers have at least 2 years of experience working on complex projects and are ISTQB-certified. This certification ensures that our testers have a deep understanding of the testing process and can effectively identify and report defects. Additionally, our testers have extensive experience working with various software applications and are equipped to handle complex testing scenarios. We are confident in our team’s ability to provide comprehensive QA functional testing services that meet the highest industry standards.

Get in touch

    * I give consent to the processing of my personal data given in the contact form above under the terms and conditions of Artelogic Privacy Policy.
    I want to receive commercial communications and marketing information from Artelogic by electronic means of communication (including telephone and e-mail).



    180 Maiden Lane, #702,
    New York, 10038

    +1 315 509 38 97

    United Kingdom

    1 St Katharine’s Way,
    London E1W 1UN

    +44 736 159 17 21


    36/5 Shchyretska St.
    79071, Lviv

    +38 067 200 75 14


    Lotfi Zadeh Technology Center
    44 Jafar Jabbarli St.,1065, Baku

    +994 50 415 55 50


    Fabryczna 1a, 31-553, Krakow