Private company

Big-A

Logo: biga.co.jp³

Big-A is a supermarket chain in Japan founded in 1979.¹ It is headquartered in Ōyama-higashi-chō.¹ It is part of Aeon.¹

株式会社ビッグ・エー（英: Big-a Company inc.）は、東京都板橋区に本社を置き、食料品・日用品を販売する小型のハードディスカウントストアを運営並びにFC展開するイオングループの企業である。² From the Japanese Wikipedia, CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

Aug 20, 1979Founded¹

Industryretail¹
HeadquartersŌyama-higashi-chō, Japan¹
Websitewww.biga.co.jp
Legal formkabushiki gaisha¹

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Corporate structure

Big-A is part of a group headed by Aeon. 40 entities, 3 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

Aeon 千葉市, Japan
- Big-A Ōyama-higashi-chō, Japan
- Welcia Holdings Subsidiary · 50.54% · Tokyo
  - Kokumin Subsidiary · Suminoe-ku, Japan
  - Kusurinomarue Subsidiary · Maebashi, Japan
  - Marudai Sakurai Pharmacy Subsidiary · Aomori Prefecture, Japan
  - Pupule Subsidiary · Hiroshima Prefecture, Japan
  - Welcia Partners Subsidiary · Chiyoda, Japan
  - Welcia Retail Solution Subsidiary · Chiyoda, Japan
  - Welcia Yakkyoku Subsidiary · Soto-Kanda, Japan
    - Welcia Kaigo Service Subsidiary · Japan
  - Welpark Subsidiary · Sakaechō, Japan
  - Yodoya Drug Subsidiary · Kōchi-shi, Japan
  - シミズ薬品 Subsidiary
- Ministop Subsidiary · 48.43% · AEON Tower
- AEON CULTURE Subsidiary · Nakase, Japan
- AEON Hokkaido Subsidiary · Sapporo
- Aeon Kyushu Subsidiary · Fukuoka, Japan
  - JoyfulSun Subsidiary · Nagasaki, Japan
- Aeon Retail Subsidiary · Chiba, Japan
  - Topvalu Collection Subsidiary · Mihama-ku, Japan
- Aeon Stores Subsidiary
- AEON Town Subsidiary · AEON Tower, Japan
  - AEON TOWN Akashi Subsidiary · Japan
- Daiei Subsidiary · Tōyō
  - Nakago Subsidiary · Fukushima Prefecture, Japan
- G-foot Subsidiary · Shinkawa
- My Basket CO., LTD. Subsidiary · Chiba, Japan
- ÆON MALL Subsidiary · AEON Tower
  - OPA Subsidiary · Nakase
  - ÆON MALL Uki Subsidiary · Uki, Japan
- 羽後ジャスコ Subsidiary · Akita Prefecture, Japan
- 能代中央都市開発 Subsidiary · Akita Prefecture, Japan
- ＠Palette! Subsidiary · Mihama-ku, Japan
- Marunaka Subsidiary · Japan
- イオンフィナンシャルサービス株式会社 Subsidiary · 東京都千代田区, Japan
  - Aeon Bank (M) Berhad Subsidiary · Kuala Lumpur, Malaysia
  - AEON CREDIT SERVICE INDIA PRIVATE LIMITED Subsidiary · Mumbai, India
- イオンモール株式会社 Subsidiary · 千葉県千葉市美浜区, Japan
- 株式会社イオン銀行 Subsidiary · 東京都千代田区, Japan

Built from parent and subsidiary links from GLEIF, the Global Legal Entity Identifier Foundation (CC0); subsidiaries, stakes and holdings from Wikidata (CC0). Each entity in the chart links to its source.

Subsidiaries and ownership

Parent company

Owners

Acolle

From Wikidata.¹

Timeline

Aug 20, 1979Founded Founded¹

Sources

The numbers on this page point here. Each one links to the record it came from.

1
WikidataBig-A on Wikidata
2
WikipediaBig-A on the Japanese Wikipedia
3
Company websiteBig-A logo
4
Wikimedia CommonsBig-A photo by Orataw, CC BY-SA 3.0