GSL is headquartered in Hornby, Christchurch but operates a number of depots throughout the South Island. With 20 years of experience, our core specialties are open space maintenance, civil construction, landscaping and traffic management. We provide a comprehensive range of OSM services that includes mowing services, hydro seeding, excavation, sports turf, spraying and pest control. This is supplemented by our transportation fleet to get the plant to where they need to go. To provide assurance to our commercial and governmental customers, GSL continually invests in improving our systems and this is recognised in our ISO certifications in quality (ISO 9001), health and safety (18001), and environmenal management systems (14001).