A3 was founded in 1973 as a architectural studio. More than 40 years later, it has been developing projects in architecture and urban planning at the national and international areas.

In 2012, A3 absorbed Dipsa and organizes its new Industrial Engineering Division.

Also in 2012 a new office was opened in Mexico. It has an important activity through the acquired Dipsa in the Industrial Sector and Steel Industry. Its experience focuses on the EPC management projects in Industrial Plants and EPC in Metal Structure.

Oil & Gas Engineering Division is established since 2013. That's when incorporating new professionals with extensive experience in the Oil&Gas sector, developing its activity in consulting and execution of LNG and Gas projects, achieving a rapid expansion.

Since the beginning of 2016 A3 and LOGIdes have been partnered to develop projects in the logistics sector in Mexico where we are as technical consultants.