Exploratory Testing｜Software Testing｜QA Services

We help you build services that work “Chanto”, even under tight timelines

Even when working on highly innovative products or fast-paced projects, there are ways to ensure quality — even without the time or budget to prepare perfect specifications or fully comprehensive test cases in advance.

Our exploratory testing is a dynamic validation approach in which experienced QA engineers follow purpose‑driven test charters to maximize defect detection within limited timeframes. Because it does not rely on documentation and can begin immediately at any stage of development, it enables deep investigation of the software and uncovers critical issues that scripted tests often miss in the shortest possible time.

Why Choose Us
Our Services
Our Process

Why Clients Choose Us

Even Without Specifications

We treat the product itself as the most valuable source of truth and begin testing as soon as a working build is available. Even in agile environments where specifications evolve daily and documentation often lags behind, our engineers infer and validate the software’s behavior as it should be, executing effective testing. This approach reduces the lead time for test design and specification creation, enabling teams to maintain development velocity while improving quality right up to the final release.

High Adaptability and Customization

We are not constrained by fixed test cases. Instead, our engineers dynamically determine what to validate next based on the insights gained during test execution. Whether you need us to focus on critical paths of new features or prioritize UI/UX for a particular cycle, we can adjust instantly. By shifting our focus toward high‑risk areas according to defect trends and development progress, we deliver testing that is both agile and highly responsive to real project conditions.

ISTQB‑Certified Expertise

Exploratory testing is never based on intuition or guesswork. Our ISTQB‑certified engineers apply structured, globally recognized testing techniques to conduct hypothesis‑driven validation grounded in software engineering principles. By transforming intuition into a disciplined, evidence‑based practice, they can pinpoint critical defects even within limited timeframes. This approach eliminates individual variability and ensures highly reliable, reproducible test results.

Extensive Experience and Deep Domain Knowledge

With a proven track record across diverse industries—including finance, insurance, manufacturing, retail, and healthcare—we have accumulated a rich understanding of domain‑specific defect patterns. This deep business knowledge enables us to identify implicit requirements that never make it into specifications, as well as edge cases informed by real user behavior. Leveraging seasoned insight into system weaknesses, we accurately uncover hidden risks.

Service Overview

Our exploratory testing services are flexibly tailored to your product and development context, ensuring the most effective approach for your needs.

Cost Reduction	Assigning QA engineers with strong domain knowledge and using lightweight test charters removes the need for test case documentation, reducing the cost associated with test design and review.
No Documentation Required	Because product learning and test execution occur simultaneously in exploratory testing, testing can be conducted even when documentation is incomplete or unavailable.
Early Defect Detection	With no need for extensive preparation or detailed test case creation, exploratory testing enables rapid testing in the early stages of development, allowing defects to be identified sooner.
Ideal for Agile Development	Agile environments require frequent requirement changes and flexible test coverage. Exploratory testing is well‑suited to this adaptability, making it highly compatible with agile development.
Faster Delivery	Faster test initiation and earlier defect discovery contribute to improved product quality and shorter release cycles.

Exploratory testing is conducted using time‑boxed sessions and test charters, which serve as guides that define the goals and direction of each session.
This approach requires QA engineers who possess deep domain knowledge and a solid understanding of how to operate the system.
Below are some examples of the tours we use during testing.

Guidebook Tour	Based on the user manual, this tour follows the documented flow to ensure that key points are not missed.
Money Tour	Tests the product by following the flow typically used in sales demonstrations for prospective customers.
Landmark Tour	Identifies major landmarks within the software and explores the paths between them.
Intellectual Tour	Uses the most challenging or demanding inputs and scenarios the software may encounter.
FedEx Tour	Tracks key data as it flows through the system, following its lifecycle from start to finish.
Garbage Collector Tour	Performs a broad sweep of screens and dialogs to check for anything obviously incorrect without focusing on fine details.
Bad‑Neighborhood Tour	Targets areas where defects have previously been found, based on the tendency of bugs to cluster.
Museum Tour	Focuses on legacy areas of the codebase that are more likely to contain hidden issues.
Back‑Alley Tour	Tests features or paths that typical users are unlikely to use.
All‑Nighter Tour	Leaves the system in a half‑finished or prolonged state, such as keeping files open for an extended period.
Supermodel Tour	Evaluates the product based on appearance and first impressions, focusing on UI visuals and perceived performance.
Couch Potato Tour	Uses the product with minimum necessary actions, such as proceeding with default values wherever possible.
Obsessive‑Compulsive Tour	Repeats the same actions over and over, recording steps and timing in order to ensure reproducibility.

Our Process

①

Quality Assessment and Consultation

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

Output:
• Quality improvement proposal

②

Test Planning

• Clarifying test objectives
• Defining the test approach (including charter selection)

Output:
• Test plan

③

Test Execution

• Executing tests
• Verifying fixes

Outputs:
• Operation logs / Test logs
• Incident report
• Progress report

④

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.