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Private company

IR Japan Holdings

IR Japan Holdings is a Japanese company based in Kasumigaseki.1

株式会社アイ・アール ジャパンホールディングス（英文社名：IR Japan Holdings, Ltd.）は、東京都千代田区霞が関に本社を置く日本のコンサルティングファーム、M&Aアドバイザリーファーム。2 From the Japanese Wikipedia, CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

  • HeadquartersKasumigaseki, Japan1
  • Legal formkabushiki gaisha1

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Kasumigaseki-Building-01
Photo: Rs1421, CC BY-SA 3.0, via Wikimedia Commons3

Sources

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

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