User Acceptance Testing｜Software Testing｜QA Services

Is your software functioning as required—“Chanto”?

User Acceptance Testing (UAT) is a process that verifies whether the software aligns with the requirements, expectations, and intended usage envisioned by its users.

Our User Acceptance Testing service leverages extensive experience in quality improvement. Certified QA engineers with JSTQB credentials thoroughly validate whether your system or service performs exactly as required.

Through this service, we help you achieve:

Support for releasing high‑quality systems
Prevention of post‑launch issues and negative business impact
Improved usability through scenario‑based testing
Reduction of post‑release problems (cost savings)

Why Choose Us
Our Services
Our Process

Why Clients Choose Us

Extensive Domain Knowledge

Deep Understanding of Business Operations to See Beyond Specifications
We have a proven track record across a wide range of industries, including finance, insurance, manufacturing, retail, logistics, advertising, real estate, and healthcare. By deeply understanding each client’s unique business processes, we identify risks and inconsistencies hidden within operational workflows at an early stage, ensuring system quality that truly aligns with your business requirements.

User‑Centered Perspective

Objective Usability Evaluation from the End‑User Perspective
By assessing your system from a third‑party perspective, we identify usability issues and operational inconveniences that are often overlooked from a developer’s point of view. We provide actionable feedback to maximize the user experience (UX) and help prevent the risk of releasing a system that users ultimately do not adopt.

ISTQB Partner

High‑Quality Testing Grounded in Globally Recognized Testing Theory
As an official partner of ISTQB (International Software Testing Qualifications Board), the international certification body for software testing professionals, our highly skilled engineers bring structured, advanced expertise to your project. This enables us to deliver highly comprehensive, evidence‑based testing rooted in globally recognized testing techniques.

Service Overview

As an IV&V company, we handle the full lifecycle of user acceptance testing—from test planning and analysis to design, implementation, and execution.
We can also support individual phases, such as test execution, depending on your needs.

Through this service, we aim to:

Build confidence in the overall quality of the system
Verify that the completed system behaves as expected
Validate that both functional and non‑functional behaviors conform to specifications

In addition, we support various acceptance testing types conducted during UAT, including operational acceptance testing, contractual and regulatory acceptance testing, as well as alpha and beta testing.

1. Test Planning and Design
We conduct detailed interviews to understand your business requirements and the characteristics of your system, allowing us to develop an optimal UAT plan. This includes designing test cases to maximize test coverage, preparing test data, and supporting the setup of the test environment.

2. Test Execution
Our experienced QA engineers execute UAT based on the designed test cases from a user‑centric perspective, in conditions that closely resemble the actual operational environment.

3. Defect Reporting and Analysis
We document any defects identified during testing in a clear and structured report, including detailed conditions, reproduction steps, and deviations from expected results.

4. Test Result Reporting and Improvement Recommendations
After the completion of testing, we deliver a comprehensive report summarizing the overall test results, defect trend analysis, and actionable recommendations for future quality improvements. Through these insights, we help strengthen your quality management practices.

Our Process

①

Quality Assessment and Consultation

• Understanding the target service
• Identifying quality issues
• Proposing solutions to address quality issues

Output:
• Quality improvement proposal

②

Test Planning

• Clarifying test objectives
• Defining the test approach
• Updating the test plan
• Considering test automation

Output:
• Test plan

③

Monitoring and Control

• Collecting metrics
• Tracking progress
• Controlling the overall test process

④

Test Analysis

• Analyzing the test object based on the test basis
• Extracting and defining test conditions

Output:
• Test design specification

⑤

Test Design

• Applying test techniques (Equivalence Partitioning, Boundary Value Analysis, Decision Table Testing, Pairwise Testing, State Transition Testing, Orthogonal Arrays Testing, etc.)
• Designing the test architecture
• Creating detailed test designs

Output:
• Test specification

⑥

Test Implementation

• Creating test cases
• Creating test procedures
• Creating test suites
• Setting up the test environment

Outputs:
• Test cases
• Test procedures

⑦

Test Execution

• Executing tests
• Verifying fixes

Outputs:
• Test logs
• Incident reports (critical incidents are reported immediately)
• Progress reports

⑧

Test Completion

• Reporting test results

Outputs:
• Test summary report
• Quality improvement proposal

Staying Ahead of the Latest QA Trends

We regularly host Ques, a specialized event for QA engineers, to stay updated on the latest QA trends from various companies and continuously enhance our skills and services.