3-shake Relocates Headquarters to Sumitomo Fudosan Shiodome Hamarikyu Building

3-shake Inc. has relocated its headquarters to the Sumitomo Fudosan Shiodome Hamarikyu Building as of September 29, 2025.

The building, completed in 2007, is a 20-story office tower with two basement levels, featuring standard floor plates of approximately 400 tsubo (approx. 13,200 sq. ft.) and a ceiling height of 2,800 mm. It is located a three-minute walk from Toei Oedo Line Shiodome Station and a six-minute walk from JR Shimbashi Station, within walking distance of the Ginza area.

Key Facts

• Company: 3-shake Inc.

• Relocation Date: September 29, 2025

• Former Office: Granfirst Shinjuku Gyoen (22-1 Daikyocho, Shinjuku-ku, Tokyo)

• New Office: Sumitomo Fudosan Shiodome Hamarikyu Building (8-21-1 Ginza, Chuo-ku, Tokyo)

• Property Overview

  • Completion: 2007

  • Number of Floors: 20F / B2

  • Standard Floor Area: approx. 400 tsubo (approx. 13,200 sq. ft.)

  • Ceiling Height: 2,800 mm

  • Elevators: 10 passenger, 1 service