It was planned to feature two office towers, a condominium building, a hotel, and a five-story mall with intermodal transportation hub and an exhibition center, seamlessly integrating to existing developments within the area.

[19] At the Upper Ground Level are the bus bays of city and point-to-point (P2P) buses, accessible through EDSA and Ayala Avenue.

On the other hand, Ayala Avenue provides access to the P2P Carousel Lane for most P2P buses, a pick-up and drop-off point, and an Electric Vehicle (EV) Fast-Charging station.

[20][21][22] Tripko and Beep contactless smart card reloading stations, food kiosks, and a friendship mural are also located at this level.

[23] On the Lower Ground Level is the PUV terminal, which features nine gates for traditional jeepneys and UV Express routes coming from Ayala Center, as well as a motorcycle taxi stop.

[37] Built at the podium of the complex, the mall has a gross leasable space (GLA) of 54,700 m2 (589,000 sq ft) and is expected to house more than 400 retail stores.

[7][1][2][3][18][40][41] Space at One Ayala has four trade halls, the first of its kind in Makati, totaling 2,700 m2 (29,000 sq ft) and six meeting rooms.

[42][43][44] In addition, the mall is equipped with other environmental features such as all-LED lighting, fresh air ducts, and multi-gas testing devices that monitor carbon monoxide, oxygen, hydrogen sulfide, and combustible levels in the building.

[45][46] Situated closer to EDSA, it notably hosts the Philippine headquarters of Microsoft, which moved from 6750 Ayala Avenue in 2022.

[49] Both East and West Towers are situated at the Ayala Avenue side of the development, with a combined space of 85,000 m2 (910,000 sq ft).

[50] One Ayala South Tower is located at the Courtyard Drive side of the development, with a GLA of 12,000 or 13,230.4 m2 (129,167 or 142,411 sq ft).

[59][60][61] The project of One Ayala Towers 1 and 2 won the High-Rise Structures Category in the 2022 Philippines Excellence in Concrete Construction Awards.