Movimientos de Tierras Leandro is a groundworks contractor based in Bétera, in Valencia province. Its Google Business Profile lists it as “Excavating contractor”.
It has no Google reviews yet, so ask for references from recent customers and, if you can, a finished job you can see.
Nearby alternatives for a second quote: Excavaciones Pedro José Hernández Zamora in Bétera (1 km), Ruiz Cimentaciones y Estructuras Valencia in Manises (8 km), Excavaciones Y Movimientos De Tierra in La Pobla de Vallbona (8 km). Getting two or three quotes is normal for this kind of work.