系けい列れつ会がい社しゃ

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Meanings

1

noun

affiliate company; affiliated company

A company that is part of a corporate group (keiretsu), often with cross-shareholdings or business ties.

系lineage, system

列file, row, rank

会meeting, meet, party

社company, firm, office

子こ会がい社しゃ
子会社 is a subsidiary (controlled by a parent company), while 系列会社 is an affiliate within a broader keiretsu group, not necessarily under direct control.
関かん連れん会がい社しゃ
関連会社 is an associated company (often with significant but not controlling ownership), while 系列会社 emphasizes the keiretsu group relationship.

Compound of 系列 (keiretsu, 'corporate group') and 会社 (kaisha, 'company').