Stylised as NAGATACHO GRiD, this is a co-working office, event space and office for up and coming startups.

The basement hosts events such as Nerd Night, while the 6th floor “Attic” hosts startup related events. The ground floor is home to the “tiny peace kitchen”, floor 2 is the GRiD co-working space, floors 3 and 4 house startup offices, and floor 5 is the office of MIDORI.SO—another co-working company.

Although rarely used, GRiD also has a rooftop with great evening views of the neighborhood.

2 Chome-5-3 Hirakawachō, Chiyoda-ku, Tōkyō-to 102-0093
- 295 m from Nagatacho Station Hanzomon Line (Z4)Namboku Line (N7)Yurakucho Line (Y16)
- 398 m from Akasaka-mitsuke Station Ginza Line (G5)Marunouchi Line (M13)
- 482 m from Kokkaigijidōmae Station Chiyoda Line (C7)Marunouchi Line (M14)