M9 Ratchada (เอ็ม 9 รัชดา)

M9 Ratchada (M9 Square @ Ratchada) is a mixed-use development at 232 Ratchadaphisek Road in Huai Khwang District, Bangkok, opened in 2023. The project combines a serviced office centre with a community retail mall, hotel, and Honda showroom.

Office space occupies floors 2–4 and is operated by both Regus and Spaces, offering fully-furnished flexible workspaces. On-site retail includes Starbucks and Mongkok Sukiyaki. Located directly adjacent to MRT Huai Khwang and near the Sirat Expressway.