Excavaciones Juan Roldán is a groundworks contractor based in Alicante, in Alicante 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.
If you want comparison quotes, the nearest other groundworks contractors are Excavaciones El Cabo in Alicante (2 km), Excavaciones Alicante in Alicante (3 km), Luis Martínez Verdú in Alicante (3 km). Getting two or three quotes is normal for this kind of work.