Private company
Yotsuya Otsuka
Logo: yotsuyaotsuka.com3
Yotsuya Otsuka is a preparatory cram school in Japan for elementary school students founded in 1954.1 It is headquartered in Tokyo.1 It is part of Nagase Brothers.1
株式会社四谷大塚（よつやおおつか、英文名： Yotsuya Otsuka, Inc.）は、東京都中野区に本部を置き、株式会社ナガセが経営する学習塾。旧名称は四谷大塚進学教室。2 From the Japanese Wikipedia, CC BY-SA 4.0
Last updated Oct 21, 2026.
Overview
- HeadquartersTokyo, Japan1
- Websitewww.yotsuyaotsuka.com
Corporate structure
Yotsuya Otsuka is part of a group headed by Nagase Brothers. 3 entities, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.
- Nagase Brothers Tokyo
- Yotsuya Otsuka Tokyo, Japan
- Waseda Juku Subsidiary
Built from subsidiaries, stakes and holdings from Wikidata (CC0); major holders from Schedules 13D and 13G. Each entity in the chart links to its source.
Subsidiaries and ownership
Parent company
From Wikidata.1
Timeline
- Dec 1954Founded Founded1
Links
- Websitewww.yotsuyaotsuka.com1
- More imagesWikimedia Commons
- WikidataQ11420133
Sources
The numbers on this page point here. Each one links to the record it came from.
- 1WikidataYotsuya Otsuka on Wikidata
- 2
- 3Company websiteYotsuya Otsuka logo