Private company

Jms-United

Jms-United is a Japanese company based in Tokyo, founded in 1994, part of Sega Sammy Holdings.¹

ジェイエムエス・ユナイテッド株式会社（JMS-United Co.,Ltd.）は、コールセンター事業などを行う日本の企業。インパクトホールディングスの100%子会社。旧社名は日本マルチメディアサービス株式会社。² From the Japanese Wikipedia, CC BY-SA 4.0

Last updated Oct 20, 2026.

Overview

Jun 16, 1994Founded¹

HeadquartersTokyo, Japan¹
Websitewww.jmscom.co.jp

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Corporate structure

Jms-United is part of a group headed by Sega Sammy Holdings. 52 entities, 6 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

Sega Sammy Holdings 東京都品川区, Japan
- Jms-United Tokyo, Japan
  - Sega Music Subsidiary · Japan
- Amplitude Studios Subsidiary · Paris, France
- Atlus Subsidiary · Tokyo
  - Atlus USA Subsidiary · Irvine
  - P-Studio Subsidiary · Kagurazaka, Japan
- Marza Animation Planet Subsidiary · Tokyo
- Sammy Corporation Subsidiary · Higashi-Ueno
  - Ginza Subsidiary · Tokyo, Japan
  - Rodeo Subsidiary · Tokyo, Japan
  - Sammy NetWorks Subsidiary · Tokyo, Japan
  - Taiyo Elec Subsidiary · Tokyo, Japan
  - Treco Subsidiary · Tokyo
  - Zeeg Subsidiary · Shinagawa, Japan
  - American Sammy Subsidiary · United States
- Sega Subsidiary · Shinagawa
  - Creative Assembly Subsidiary · Horsham
    - SEGA Studios Australia Subsidiary · Australia
  - f4samurai Subsidiary · Tokyo, Japan
  - Nex Entertainment Subsidiary · Tokyo
  - Overworks Subsidiary
  - Relic Entertainment Subsidiary · Vancouver
  - Ryu ga Gotoku Studio Subsidiary · Ota
  - Sega AM3 Subsidiary · Tokyo
  - SEGA Europe Subsidiary · Middlesex, United Kingdom
    - Hardlight Subsidiary
  - Sega Fave Subsidiary · Tokyo
    - DARTSLIVE Subsidiary · Tokyo, Japan
      - 1 more
    - Sega Logistics Service Subsidiary · Tokyo, Japan
  - Sega of America Subsidiary · Irvine
  - Sega Sports R&D Subsidiary · Japan
  - Sega Technical Institute Subsidiary · Palo Alto
    - Sega Technical Institute Burbank Subsidiary
  - Sega Wow Subsidiary · Ebisu
  - SegaSoft Subsidiary · Redwood City
  - Sonic Team Subsidiary · Novosibirsk
  - Sports Interactive Subsidiary · London
  - Wow Entertainment, Inc. Subsidiary · Shibuya, Japan
  - Sega Pinball Subsidiary
- Sega AM2 Subsidiary · Tokyo
- Sega Studios San Francisco Subsidiary · San Francisco
- Three Rings Design Subsidiary · San Francisco
- TMS Entertainment Subsidiary · Nakano
  - Telecom Animation Film Subsidiary · Tokyo
  - TMS Music Subsidiary · Tokyo, Japan
  - Toon Harbor Works Subsidiary · Tokyo, Japan
- Phoenix Seagaia Resort Subsidiary · Japan
- Sega Amusements International Limited Subsidiary · Chessington, United Kingdom
- SEGA Group Corporation Subsidiary · Japan
- セガサミークリエイション株式会社 Subsidiary · 東京都品川区, 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

Sega Sammy Holdings

Subsidiaries

Sega Music

From Wikidata.¹

Timeline

Jun 16, 1994Founded Founded¹

Sources

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

1
WikidataJms-United on Wikidata
2
WikipediaJms-United on the Japanese Wikipedia