Initially the company was founded in 1980 as "ORELLANA CONSULTORES S.A.", by a group of geophysicists led by Dr. Ernesto Orellana Silva (Professor of geophysical prospecting at the Faculty of Physical Sciences of the Universidad Complutense de Madrid for 19 years). In later years, it became known as "OCSA". Thus in 2010 there was the official change of name to "OCSA PROSPECCIONES Y ESTUDIOS S.L.".
Today OCSA has become a company with a strong reputation in the Geotechnics (roads, dams, railways, tunnels, auscultations, quarries, etc.), Hydrogeology, Mining, Geothermal, Archeology and Marine Research sectors. As a Spanish company of geophysical prospecting
The team that today forms the company works together since 2003. This highly qualified team, our work of quality, efficiency and commitment to our clients, has made us present in important projects carried out internationally.
C/ Beja 1 Local 1
28917 - Leganes (Madrid - Spain)
Phone: +34 917 500 904