Nippon Dengi To Relocate Headquarters to New Office Building in Toranomon

Nippon Dengi will relocate its headquarters in the first half of 2028 to the 14th floor of “TORANOGATE” in Toranomon 1-chome, Minato Ward, Tokyo. Its current headquarters is located in “Ryogoku City Core” in Ryogoku, Sumida Ward.

The company is a major building HVAC instrumentation contractor and is listed on the Tokyo Stock Exchange Standard Market. Its core business is the design and installation of automatic HVAC control systems for office buildings, factories, hospitals and other facilities, and it partners with Azbil. HVAC instrumentation-related businesses account for about 90% of consolidated revenue, with industrial systems-related businesses for factories making up the remaining roughly 10%. The company has approximately 990 consolidated employees.

The relocation destination, “TORANOGATE,” is a large-scale mixed-use building being developed as part of the Toranomon 1-chome East District Urban Redevelopment Project, with completion scheduled for October 2027. The building will have 29 above-ground floors and four basement levels, with a Gross Floor Area of approximately 36,269 tsubo (approx. 1,290,158 sq. ft.), a typical leasable floor area of approximately 855 tsubo (approx. 30,427 sq. ft.) and a ceiling height of 2,900 mm. It will be directly connected to Toranomon Station on the Tokyo Metro Ginza Line and connected by underground passageway to Toranomon Hills Station on the Hibiya Line. Chuo-Nittochi, the Urban Renaissance Agency and Sumitomo Realty & Development are participating in the development as participating members of the redevelopment association.

Key Facts

• Company: Nippon Dengi Co., Ltd.

• Relocation Timing: First half of 2028 (scheduled)

• Current Location: Ryogoku City Core Building (2-10-14 Ryogoku, Sumida Ward, Tokyo)

• Relocation Destination: TORANOGATE 14F (1-4 Toranomon, Minato Ward, Tokyo)

• Relocation Destination Property Overview

  • Completion: October 2027 (scheduled)

  • Number of Floors: 29F / B4 (steel structure, partially steel-reinforced concrete and reinforced concrete)

  • Gross Floor Area: Approximately 36,269 tsubo (approx. 1,290,158 sq. ft.)

  • Typical Floor Area: Approximately 855 tsubo (approx. 30,427 sq. ft.)

  • Ceiling Height: 2,900 mm

  • Elevators: Six each for low-rise, mid-rise and high-rise zones; three emergency elevators

  • Nearest Stations: Directly connected to Toranomon Station on the Tokyo Metro Ginza Line; directly connected by underground passageway to Toranomon Hills Station on the Tokyo Metro Hibiya Line