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OFFICES › ROPPONGI, TOKYO › GA TECHNOLOGIES

Office · Roppongi, Tokyo · Real estate

GA technologies — Roppongi: one floor, forty storeys up

GA technologies, the property-technology company behind RENOSY, works on the 40th floor of Sumitomo Fudosan Roppongi Grand Tower. The floor is kept as one room: exposed services overhead, planting between the desk groups, and soft seating set in curves where the meetings happen.

Company GA technologies Co., Ltd.Building Sumitomo Fudosan Roppongi Grand Tower 40F, TokyoFounded March 2013Design [to confirm]Website midcareer-recruit.ga-tech.co.jp ↗
Curved seating under the exposed ceiling
Curved seating under the exposed ceiling

Concept

An open floor, kept open

The office is a single high floor left as one volume: the ceiling is stripped back to its services, the desks are grouped rather than ranked, and the meeting spaces are made of furniture rather than walls.

Planting runs between the groups, and the darker rooms at the floor’s edge take the conversations that need a door.

The open floor
The open floor

01 · Work floor

Desks in groups, planting between

The working floor keeps its sightlines: no partition stands higher than the planting.

Between the desk groups
Between the desk groups
Along the floor
Along the floor

02 · Meeting spaces

Some soft, some behind a door

Soft seating handles the short conversations; a darker room with a long table takes the longer ones.

A meeting room
A meeting room
A quieter corner
A quieter corner

03 · Circulation

Forty floors up, on the move

The route through the floor passes the meeting spaces rather than avoiding them.

Crossing the floor
Crossing the floor
CompanyGA technologies Co., Ltd.
Official websitemidcareer-recruit.ga-tech.co.jp ↗
Design[to confirm]
Photography© GA technologies (from the company’s recruiting site)
SourceGA technologies career site, “Office gallery”, re-reported by WALL
PublishedSeptember 2026
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