The Drug Detection Agency
TDDA was established in 2005 to provide New Zealand and Australian businesses with end-to-end workplace substance testing, education, and policy services. TDDA is a leader in workplace substance testing with more than 300 staff, 90 mobile health clinics, 65 locations throughout Australasia, and processing more than 250,000 tests annually. TDDA holds ISO17025 accreditation for workplace substance testing in both Australia and New Zealand, ensuring its operations meet rigorous international standards in quality management and competence. TDDA’s process and technologies create safer workplaces.