DASA provides drug and alcohol testing services, policy development, training and treatment advice. We are owned and run by Dr David Allen, MBBS(Hons), DPH, FAFOEM Occupational and Environmental Physician, and John De Mellow, BSc, MSc, Analysis Scientist.

We are Quality Endorsed to ISO 9001. As such we are committed to meeting the highest standards for testing and consulting services.

Our training sessions are very popular. See the Training schedule on the left under "NEWS"