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 by Dr LC Geustyn, Dr BF Loubser and Mr JJ Streicher. The total staff comprises more than 35 people.

Based in Stellenpark, 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 GLS3 Holdings (Pty) Ltd and is a Level 1 BEE contributor.