Asia PacificEvent

Kajima construction company founded in Edo

When
1840
Where
Edo
Episodes
1

Kajima Corporation, one of Japan's oldest construction firms, traces its origins to a carpentry business established in Edo in 1840. The company was founded by Iwakichi Kajima, who began operations in what is now Tokyo. This foundational event marks the beginning of the enterprise that would later become a major construction entity.

Episodes

  1. 1840 · EdoIwakichi Kajima Begins Carpentry Business in Edo

    Iwakichi Kajima started a carpentry business in Edo in 1840, marking the founding of the present-day Kajima Corporation.

Background and detail

Background. Kajima Corporation is recognized as one of the oldest and largest construction companies in Japan. Its corporate history begins in 1840, when the founder initiated a carpentry business in Edo, the historical name for modern-day Tokyo. The company's current headquarters are located in Motoakasaka, Minato, Tokyo, reflecting its long-standing presence in the capital.

Founding. The establishment of Kajima occurred in 1840 when Iwakichi Kajima began a carpentry business in Edo. This event is the primary origin of the present-day company. The scope of this event is limited to the initial business launch in Edo, excluding later expansions or modern corporate developments.

Legacy. The legacy row for this event contains a placeholder date of January 1, 1840, and lacks specific founder names. The retrieved evidence confirms the year 1840 and identifies Iwakichi Kajima as the founder. The location is correctly identified as Edo, corresponding to modern Tokyo.

People involved

Sources

  1. Kajima Wikipedia, revision of 2026-09-20

Machine-drafted from the cited Wikipedia passages and checked by a reviewing model, not by a human editor. Every passage cites the revision it was written from; dates and places follow those passages.