The four entities of the Groupe Alliance Economie are located in :
– Paris (Ae 75), the historical agency
– Rennes (Ae Bretagne), created in 2006
– Lyon (Ae Lyon), created in 2017
– Montpellier (Ae Montpellier), created in 2023
They bring together 55 employees with complementary training and skills (engineers, architects, economists…).