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GSL Successess

GSL are certified by Telarc to the following international standards: ISO9001:2016 Quality Management, ISO45001:2018 Occupational Health and Safety, and ISO14001:2015 Environmental Management.


At GSL we strive to be industry leaders with innovative environmental solutions for our clients. We are proud of the work we complete in our communities and enhancing the environment we live in. We have been recognised recently within our industry by receiving the CCNZ Environmental Award.

Our Successess

Civil Contractors New Zealand Award Winner
Industry Accreditations
Telarc ISO 9001
Telarc ISO 14001
Telarc ISO 45001
Sitewise Gold
Growsafe Accredited
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