Established in 1987, GCS (Pty) Ltd is an independent consultancy offering a wide range of professional services within the fields of water and environmental sciences. As an employee-owned company GCS is committed to providing clients with quality services and leading products. With offices in Johannesburg and, Durban ( South Africa ), Gaborone ( Botswana ), Windhoek ( Namibia ), Lusaka ( Zambia ) and Ostrava ( Czech Republic ), GCS boasts international experience, including 29 African countries.

GCS has 30 professional staff and a total staff compliment of 50. Its highly trained employees are skilled, committed and registered with the relevant industry associations to ensure appropriate standards, ethics, accountability and integrity.