keiretsu transaction; intragroup deal; affiliated-company transaction
Refers to business dealings within a keiretsu (corporate group), such as between a parent company and its subsidiaries or among affiliated firms. Common in economic and business contexts.
The expansion of intragroup transactions improved the overall profitability of the group.
The Fair Trade Commission is investigating whether keiretsu transactions are restricting competition.
系列 refers to the corporate group or affiliation itself, while 系列取引 specifically denotes the transactions conducted within that group.
関連会社取引 is a broader accounting term for transactions with related companies, not necessarily within a keiretsu structure.
Compound of 系列 (keiretsu, 'corporate group') and 取引 (torihiki, 'transaction'). The term reflects the business practice of preferential dealing within Japanese corporate groups.