From Castellón to the technical detail.
"A crucible does not decorate. It melts, refines and builds." COS is that principle translated into construction practice: a technical company that reads a building as a system, not as a stack of layers.
We have operated in the province of Castellón and neighbouring areas since 1995, for public administration, private developers and industrial operators. Our advantage is not volume: it is the coherence between design and site.
Crisol Obras y Servicios is founded in Castellón.
First public works contract awarded in the province.
The roofs and façades division opens.
ISO 14001 and ISO 45001 certification.
Full rebranding. From classic contractor to technical company.
Values.
Judgement
Before the material comes the technical decision that justifies it.
Precision
Schedule, budget and quality measurable at every milestone.
Respect
For what already stands, for the surroundings and for those who build.
Silence
Work done well needs no adjectives.
Management team.
Name Surname
Name Surname
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Where we are.
Puig Roda 20
12003 Castellón de la Plana