Z-kai
Zoshinkai Holdings Inc. serves as the parent company of the Z-kai group, which encompasses a variety of educational services and products. Z-kai Inc. offers business correspondence courses, operates a network of cram schools primarily in the Tokyo metropolitan area and Kansai region, and engages in publishing and mock test services. Z-kai CA Inc. focuses on educational offerings for university students and professionals. IgsZ Ltd. assists junior and senior high school students in preparing for admission to prestigious schools and universities both within Japan and internationally, fostering the development of future global leaders. ZKAI Learning Technology Inc. leverages information and communication technology to provide high-quality education services. Zenis Inc. operates cram schools in Shizuoka and Tokyo with a personalized teaching approach. Additionally, the 21st Century Learning Research Institute conducts research on skills and academic ability, aligning with contemporary educational needs while offering assessment services for students of all ages. ZE Holdings Inc. manages business operations and related activities within the group.
Top Stages
12 past transactions
Manabie International
Series B in 2025
Founded in Singapore in 2019, Manabie International Ltd. offers integrated online and offline education services for elementary to high school students. Its key products include Manabie Basic (online classes and mock exams), Manabie Prime (enhanced learning with live tutoring and personal coaching), and Manabie Hub (offline 1-on-1 coaching). The company aims to innovate learning by merging online and offline resources.
Study Plus
Series D in 2022
Study Plus is an educational application that focuses on enhancing collaborative studying among students. It operates as a learning management platform, helping users adopt a systematic approach to their studies. The platform enables students to record their study times, subjects, and content, while also allowing them to share this information through social networks. By facilitating organization and collaboration, Study Plus aims to support students in completing their syllabus efficiently and effectively.
Study Plus
Series C in 2020
Study Plus is an educational application that focuses on enhancing collaborative studying among students. It operates as a learning management platform, helping users adopt a systematic approach to their studies. The platform enables students to record their study times, subjects, and content, while also allowing them to share this information through social networks. By facilitating organization and collaboration, Study Plus aims to support students in completing their syllabus efficiently and effectively.
Arcterus
Series C in 2018
Arcterus Co., Ltd. is a Japanese company founded in 2010 and headquartered in Setagaya-Ku, Japan. The company specializes in developing a digital notebook application that enables students to upload and share their class notes. Additionally, it offers an assessment tool designed for both teachers and students, enhancing the educational experience. Arcterus also operates a tutoring center, further supporting learners in their academic pursuits. The company's approach is rooted in adaptive learning principles, allowing customization of educational experiences based on individual learning styles and leveraging big data to optimize learning outcomes.
Aoi.co
Acquisition in 2017
Aoi Co. is a Tokyo-based company that provides "Aoi Zemi," a free online lecture service designed for junior high and middle school students. The platform has successfully attracted over 3,000 users and boasts an impressive entrance exam passing rate of 86.3% for students aiming for their preferred universities. Aoi Co. is focused on enhancing its system development capabilities and plans to launch a learning state monitoring app for parents in September.
Arcterus
Series B in 2016
Arcterus Co., Ltd. is a Japanese company founded in 2010 and headquartered in Setagaya-Ku, Japan. The company specializes in developing a digital notebook application that enables students to upload and share their class notes. Additionally, it offers an assessment tool designed for both teachers and students, enhancing the educational experience. Arcterus also operates a tutoring center, further supporting learners in their academic pursuits. The company's approach is rooted in adaptive learning principles, allowing customization of educational experiences based on individual learning styles and leveraging big data to optimize learning outcomes.
mana.bo
Venture Round in 2016
Mana.bo, the company providing real-time tutoring help via a virtual whiteboard, Mana.bo has found traction in Japan by offering tutoring services in a manner more tailored to student needs. When a user has a question about a particularly difficult problem, he or she can message a Mana.bo tutor. When the tutors are available, they will set up a voice or text conversation and explain the key to the problem while demonstrating on the digital whiteboard.
Make School
Seed Round in 2016
Founded in 2011, Make School offers innovative higher education programs focused on computer science and software development. It partners with universities to provide instructional services, ensuring its curriculum remains relevant to the modern job market and accessible to students from diverse backgrounds.
RareJob
Post in 2016
RareJob is a Japanese company specializing in online English language education. It caters to individual learners, corporations, and educational institutions.
Edmodo
Venture Round in 2015
Edmodo, Inc. is an online education platform founded in 2008 and headquartered in San Mateo, California. The platform serves as a global education network, enabling educators to connect and collaborate with students, parents, and fellow teachers. With over 77 million users across approximately 550,000 schools worldwide, Edmodo prioritizes the privacy and security of its users while providing a dynamic environment for resource sharing and communication. It offers various tools that support school leaders in analyzing educational data, facilitating professional development, and enhancing learning outcomes through formative assessments. Additionally, Edmodo features capabilities for posting classroom materials, sharing multimedia resources, and accessing academic information such as homework and grades, thereby fostering a collaborative learning community. As of May 2018, Edmodo operates as a subsidiary of Best Assistant Education Online Limited.
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