About Us
The Drug Detection Agency
Our Mission
To protect the girl on the bike
Our Vision
Creating drug-free environments
Our DNA
- Straight up, straightforward, no short-cuts
- Defining excellence through innovation, integrity and market leadership
- Taking ownership with no excuses
- Creating positive change in people’s lives
- People like us
Who we are
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.