Nicolás De Fuentes is a groundworks contractor based in Valencia, in Valencia province. Its Google Business Profile lists it as “Excavating contractor”.
It has a Google rating of 5.0 from 2 reviews. That is too few reviews to say much yet, so ask for references.
If you want comparison quotes, the nearest other groundworks contractors are Excavaciones Risueño in Valencia (3 km), Bolinches Excavaciones Industriales in Valencia (3 km), Movimientos de Tierra Sancho in Mislata (4 km). Getting two or three quotes is normal for this kind of work.