CLz001 - Molino Perea is a borehole driller based in Torre-Pacheco, in Murcia province. Its Google Business Profile lists it as “Well drilling 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 borehole drillers are Inperarsa Sondeos in Torre-Pacheco (9 km), Perforaciones Aguabel in Pilar de la Horadada (16 km), Sondeos Hnos. Mínguez in Pilar de la Horadada (16 km). Getting two or three quotes is normal for this kind of work.