Top Software Testing Companies in Japan
Goodfirms has reviewed 13 Software Testing Companies in Japan as of September 2026. The top-ranked firm is Persol Cross Technology Vietnam (4.9 stars, 4 verified reviews, < $25/hr, founded 2013, Tokyo). Across the category, the median hourly rate is $25, median client rating is 4.8, and 77% of firms employ 50+ members. Explore the vetted Software Testing Companies in Japan below, compare their strengths, and connect with the provider best suited to your requirements.
The offerings of a top testing service provider in Japan are not limited to just quality assurance. They provide end-to-end solutions that begin right at technical consulting to the final deployment of your software. Some of them even offer marketing services. Unless and until they have in-house marketing experts, it is recommended that you stick to them for your technical needs. To save you some time in your research for the right testing service provider, Goodfirms has indexed and ranked some of the leading software testing companies in Japan below.
Goodfirms has verified 13 Software Testing Companies in Japan - part of 5,429+ Software Testing Companies, each passing Goodfirms' 4-step verification process (background check, client interviews, portfolio audit, ongoing quality review). Listings marked "Sponsored" are agencies that pay for premium placement - sponsorship does not affect star ratings or review content.
Top 10 at Glance
Compare the highest-ranked firms first side by side.
List of Best Software Testing Service Provider Companies in Japan
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PERSOL CROSS TECHNOLOGY VIETNAM We aim to be an IT company where each and every employee embraces our group culture of “Work and Smile”. By Leveraging technology, we create innovative solutions through the synergy of various cultures & lifestyles and contribute to the growth and ... read Persol Cross Technology Vietnam reviews & insights
< $25/hr50 - 2492013Tokyo, Japanknowledgeable & efficiant
- AnonymousWhy Persol Cross Technology Vietnam?
- Backed by PERSOL Group's massive global network.
- Japanese-Grade Quality, Compliance & Governance.
- Skilled, Proactive Team & Clear Communication.
SHIFT ASIA is a leading software testing and quality assurance company based in Vietnam and was founded in 2016. With their team of QA experts and professional full-stack engineers, they specialize in offering a wide range of QA services, including ad-hoc testing, vulnerability testing, GUI ... read SHIFT ASIA reviews & insights
< $25/hr50 - 2492016Aomori, JapanIt was a great success
- Anonymous
SHIFT Inc. is one of global IT related companies focused on software quality assurances, founded in Japan in 2005. SHIFT offers creative Software testing service(Automation/Manual) worldwide with western Architect, Japanese Productivity and Asian Talent. SHIFT is headquartered in Tokyo, Japan and has three consolidated subsidiaries, SHIFT PLUS Inc.(Japan), SHIFT India Pvt. Ltd.(India), and SHIFT Global ... read SHIFT Inc. reviews & insights
$25 - $49/hr10000+2005Tokyo, Japan
Humancrest Co.,Ltd offers high quality and cost-effective testing service built on 18 years of knowledge accumulated by the Japanese QA testing company. We set up test centers in Yokohama, Japan and Da Nang, Vietnam. With outstanding test automation solution and software quality management solution, we made transaction performance with more than 500 companies, and a ... read Human Crest Co.,Ltd reviews & insights
NA50 - 2492002Yokohama, Japan
Testingy provides agile testing and QA/QC with customizable workflows and flexible configurations. AgileTest was a great starting point. We’ve empowered agile software teams with one of the most intuitive and powerful testing tools on the market. However, bigger teams need a solution that integrates seamlessly with their existing workflows. And Testingy was the answer to ... read Testingy reviews & insights
NA50 - 2492025Tokyo, Japan
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Orient Software is a trusted engineering partner helping organizations scale technology investments efficiently and sustainably. Since 2005, our mission has been clear: build long-term partnerships through engineering excellence, transparent communication, and a people-first approach. We help companies navigate persistent challenges - talent scarcity, rising engineering ... read Orient Software Development Corp. reviews & insights
$25 - $49/hr250 - 9992005Tokyo, JapanOrient software team's productivity is impressive.
- Marketing ManagerWhy Orient Software Development Corp.?
- Domain expertise
- Human brainpower
- Client-centered approach
Valtes Co., Ltd., as a "total support company for quality improvement", has five software services: "software test service", "digital broadcast test service", "test seminar", "test consulting" and "publication / information dissemination". Contribute to the improvement of The company name is derived from "Value created through Testing". The service is being developed at the four locations ... read Valtes reviews & insights
$150 - $199/hrFreelancer2004Osaka, Japan
VMO Japan Co., Ltd. is the Japanese subsidiary of VMO Holdings Co., Ltd., a Vietnamese IT company. Our slogan is "You share it, We care IT". We want to support our clients who want to develop digital business and incorporate new technologies such as AI, IoT, cloud, RPA, etc. to improve the productivity and efficiency ... read VMO Japan reviews & insights
< $25/hr250 - 9992012Tokyo, Japan
NTT DATA offers an advanced portfolio of consulting, application, business process, cloud, and infrastructure services to businesses and governments worldwide.
< $25/hr10000+1988Tokyo, Japan
At Marvel, we strive to enhance the business potential of every company, positioning ourselves as a vital foundation within society. In just four years, we’ve established ourselves as a key pillar of Japanese industry, delivering over 600 successful projects. Our esteemed partnerships include industry leaders like SONY, HONDA, TOYOTA, SoftBank, SMBC, and Seven & I ... read Marvel Co Ltd reviews & insights
NA50 - 2492020Tokyo, Japan
DataSoft NEXT Japan is a branch office of DataSoft Systems Bangladesh Limited, one of the largest and most renowned IT firms in Bangladesh. The company is known for its work with Japanese as well as overseas clients and projects. Having a presence in Japan allows DataSoft Systems to expand its reach and access new markets. ... read DataSoft Next Japan reviews & insights
NA10 - 492022Tokyo, Japan
Nazpev Inc. is a Graphics Design, IT Service (Website Design and Development), and Social Media Marketing service providing company. We convert ideas to reality through Idea validation, Financial projection, Make the best pitch with Prototype design. Nazpev Inc. provides consultancy services to new businesses. We are providing IT and design services globally.
$25 - $49/hr10 - 492011Tokyo, Japan
Established in 2000 as GNT, Inc. in Yokohama, Japan, as a mobile internet company, rebranded as GIANTY 2017, we offer our services in video game and software development, as well as art & animation production. We specialize in delivering Japanese-quality results. With our corporate headquarters in Japan and global branches in Vietnam and the US, ... read GIANTY reviews & insights
$25 - $49/hr250 - 9992000Tokyo, Japan
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Tokyo · $0-24/hr