63 Wessel Road, Rivonia, Sandton

About GCS

We are a dynamic company that adapts quickly to market needs and aims to create a company culture that encourages professional growth and development. GCS employs staff who share this vision and who are assured in the knowledge that creativity, drive and their own standards of personal excellence are only limited by how far and fast they can move.
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We Are Commited To Protect And Enhance Our Environment


Our History

GCS was founded in 1987 by Andrew Johnstone.

Our head office is based in Johannesburg, with offices in Durban , Windhoek (Namibia) , Gabarone (Botswana), Maseru (Lesotho) and Ostrava (Czech Republic)

GCS operates throughout Africa with project experience in over 29 different African countries.
GCS provides environmental, social and sustainability solutions for the mining, resources, infrastructure, energy , oil and gas and agriculture sectors globally

Our Services


Environmental Services

Environmental, Social and Governance (ESG)

Contaminated Site Management (CSM) and remediation

Geographical Information Systems