Private company
Open House Group
Logo: oh.openhouse-group.com3
Open House Group is a 1996 Tokyo business based in Marunouchi.1
株式会社オープンハウスグループ（英: Open House Group Co.,LTD.）は、東京都千代田区丸の内に本社を置く不動産会社グループの持株会社。JPX日経インデックス400の構成銘柄の一つ。2 From the Japanese Wikipedia, CC BY-SA 4.0
Last updated Oct 21, 2026.
Overview
Nov 1996Founded1
- HeadquartersMarunouchi, Japan1
- Websiteoh.openhouse-group.com
- Legal formkabushiki gaisha1
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Corporate structure
Open House Group sits at the top of its group. 2 entities, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.
- Open House Group Marunouchi, Japan
- Meldia Subsidiary · Tokyo, Japan
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
Subsidiaries
From Wikidata.1
Timeline
- Nov 1996Founded Founded1
Links
- Websiteoh.openhouse-group.com1
- Instagramwww.instagram.com/openhouse.gr1
- More imagesWikimedia Commons
- WikidataQ11293480
Sources
The numbers on this page point here. Each one links to the record it came from.
- 1WikidataOpen House Group on Wikidata
- 2
- 3Company websiteOpen House Group logo
- 4Wikimedia CommonsOpen House Group photo by Akonnchiroll, CC BY-SA 4.0