GLS Consulting (Pty) Ltd is a firm of consulting engineers specializing in the analysis, planning and management of water-related and electricity systems.
The company was formed in 1989 Dr LC Geustyn, Dr BF Loubser and Mr JJ Streicher. The total staff comprises more than 50 people.

Based in Techno Park, Stellenbosch, GLS Consulting has established close working relationships with other specialists nationwide and internationally in order to provide a comprehensive and expert service.

GLS is part of the EOH group of companies active in South Africa, Africa, Middle East and the United Kingdom. EOH has a strong Black Economic Empowerment profile as it is a Level 1 BEE contributor.