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Company name
株式会社アルファビート
Website
http://www.dreamtree.jp/
Start date
2011-01-31
End date
Ticker
Listed market
Country
Japan
Business activities
教育コンテンツ開発事業
Head office
〒169-0051 東京都新宿区西早稲田2-18-18 TCKビル3階
Chief executive
Capital
10,000,000 JPY
Employees (non-consolidated)
Employees (consolidated)
Related companies
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Company name
Group
Parent
Subsidiary
Customer
Supplier
Alliance
Bank
Shareholder
京進グループ
Group
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National Tax Agency basic information
Data sources
http://www.dreamtree.jp/profile/
http://www.dreamtree.jp/dtforest/stroke/
News pages
Own domain
✅
Last updated
2026-09-21 18:08 (Model: ggml-org/gpt-oss-20b )