BBR Contech has obtained independent accreditation to the QEST Integrated Management System. QEST - Quality, Environment,Safety - Total Integrated Management . QEST is managed by the NZ Contractors Federation and ideally suits small-medium contracting organisations. QEST covers quality to ISO9001, environment and safety to ACC secondary accreditation level. View more details about QEST and the Accreditation Certificate in the following downloads.