Top 178 SaaS Companies in Japan, May 2026

Tokyo, Tokyo, Japan

株式会社ティアフォーは、専門分野に特化したグループ会社7社から成り、オープンソースの自動運転OS「Autoware」の開発を主導し、自動運転電気自動車を用いた無人物流・旅客サービスに関するビジネスを手がける企業。

Tokyo, Japan

SmartNews is a news aggregation and discovery platform that uses machine learning algorithms to curate news articles from various sources. The company was founded in 2012 in Japan and has since expanded its operations to the United States. SmartNews aims to provide its users with a personalized and relevant news experience by analyzing user behavior and interests to deliver stories that are most likely to be of interest to them. The platform is free to use and generates revenue through advertising. As of 2021, SmartNews has over 20 million monthly active users worldwide and has been recognized as one of the fastest-growing news apps in the United States.

Tokyo, Japan

The "Go taxi-hailing app" is a popular taxi service in Japan that allows users to book, track, and pay for rides through a smartphone application. Key features include requesting the nearest taxi, setting a destination in advance to avoid communication issues, and making cashless payments through a registered credit card. The app is available for download on both Google Play and the Apple App Store.

大田区, 東京都, Japan

Ricoh is a leading provider of integrated digital services and print and imaging solutions designed to support digital transformation of workplaces and optimize business performance. Headquartered in Tokyo, Ricoh’s global operation reaches customers in approximately 200 countries and regions, supported by cultivated knowledge, technologies, and organizational capabilities nurtured over its 85-year history. In the financial year ended March 2024, Ricoh Group had worldwide sales of 2,348 billion yen (approx. 15.5 billion USD). It is Ricoh’s mission and vision to empower individuals to find Fulfillment through Work by understanding and transforming how people work so we can unleash their potential and creativity to realize a sustainable future. For further information, please visit www.ricoh.com

Shinjuku-ku, Tokyo, Japan

Recruiting NOW for Instructors to teach English to adult students 1-to-1 in Japan - check our site for more information on current openings. Gaba is Japan's leading provider of one-to-one English lessons. Our approach to teaching has always been one-to-one because we believe it is the most effective and rewarding way to both teach and learn the English language. Gaba has 36 Learning Studios in the three major metropolitan regions of Japan - Tokyo, Yokohama, Saitama, Chiba, Osaka, Kyoto, Kobe and Nagoya, We have over 800 English Instructors teaching our over 15,000 clients, and we actively recruit globally all year round. We provide a flexible scheduling system and an extensive support network. Aside from the experience of living and working in Japan, Instructors can gain many transferable skills while teaching with us. For more insight, please watch the video testimonials and studio tour video, available on our website For more info on the position, application and general living in Japan information, please see our website. FB: facebook.com/GabaRecruiting Twitter: twitter.com/GabaJapan YouTube: https://www.youtube.com/user/GabaJapanOfficial Instagram: https://www.instagram.com/gabajapan/

Tokyo, Japan

Provider of a customer experience (CX) platform for digital marketers. The company's CX platform provides a prompt analysis and a real time visualization of web site visitors' behavioral data on a per-person level, to allow marketers to make appropriate communications with each and one of their customers, enabling them to understand their customer deeply and create a better customer experience.

Tokyo, Tokyo, Japan

Developer of a cloud accounting software designed to enhance the efficiency of accounting. The company's software simplifies, corresponds to book creation, issuance of invoices, helps in posting financial statement, clearing and expense adjustment, enabling clients to grasp real-time figures.

Tokyo, Japan

cloud human resources software

Meguro-ku, Tokyo , Japan

oRo is a software company that offers cloud solutions that assist the improvement of operations and enhancement of management efficiency.

Tokyo, Japan

Donuts Inc. strives to "Change the Game" by creating impactful services worldwide, focusing on games and web services. The company develops trendsetting offerings, including popular games like "Bike Tiger" and "Tokyo 7th Sisters," and manages web platforms such as "HowCollect," a how-to site for women, and "MixChannel," a 10-second video community.