Discover the world of geoscience with HCS We provide comprehensive, tailored solutions to all your geoscience needs - from energy exploration and production  to environmental projects including water resources, hydrology and hydrogeology. Let us help you unlock the secrets of the Earth's sub-surface !  We work across two major services sectors: oil & gas consulting services and environment consulting services. Our services span eight clusters:  oil & gas exploration and development; hydrogeological services; environment impact assessment; advisory and management consulting; training cources and tailored services.We are offering for our clients the deep expertise and proven record to solve problems that matter, making them easy to understand and by being easy to work with.