It was formed by Centro Democrático Independente (CDI), Iniciativa Galega, Coalición Galega, Unidade por Narón and other local political forces that have elected 4 mayors and 64 councillors in 32 Galician municipalities.
The coalition held a Constituent Congress on May 20, 2006; with the participation of 500 future members that chose Pablo Padín, former minister of Health of Galicia, as president; and Xoán Gato, mayor of Narón, as General Coordinator.
In October 2006, Unión Ourensana joined the coalition and along with 6 of the 12 councilors from the People's Party of Galicia at Arteixo.
In the municipal elections of 2007 the coalition presented 63 candidatures, mainly in the province of A Coruña, and they obtained 66 councillors.
In the local elections of 2011 TeGa only gained 23 town councillors and 1 mayor (in Narón)[4] In the local elections of 2015 TeGa won 29 town councillors and 2 mayors (Narón and Coristanco).