Drug & Alcohol Testing Service

Onsite Diagnostics Pty Ltd is a trusted Australian provider of on-site drug and alcohol testing, delivering rapid, accurate, and compliant workplace testing nationwide. Established in 2003 in Sydney, we are built on a simple mission: keep Australian workplaces safe and productive through reliable, on-site testing solutions.

What we do

• On-site drug and alcohol testing for pre-employment, random, for-cause, and post-incident scenarios across Australia.
• Rapid urine and oral (saliva) testing aligned with AS/NZS guidelines, with immediate results and comprehensive reporting.
• Policy development, implementation support, and ongoing compliance assistance to help workplaces meet regulatory and safety requirements.
• Flexible staffing with male and female testing professionals to suit client needs, and adaptable service delivery to time-critical schedules.

Why choose Onsite Diagnostics

• Local expertise with national reach: We operate across Australia from our Brisbane base to ensure timely on-site services wherever you need them.
• Speed and clarity: Instant results on-site where possible, with clear documentation and prompt reporting for positive results to support timely decision-making.
• Compliance you can trust: Our processes align with relevant Australian standards and best-practice guidelines to help you maintain a safe and compliant workplace.

Our history
Since our founding in 2003, Onsite Diagnostics has grown from a Sydney-based service to a nationwide provider known for reliability and professionalism. Our long-standing track record reflects our commitment to accuracy, confidentiality, and customer-focused service.

Our values

• Safety first: We help workplaces prevent accidents and health risks associated with impaired performance.
• Accuracy and integrity: We value precise, verifiable results and transparent reporting.
• Professionalism: Our team delivers courteous, discreet, and compliant services every time.

Contact us
To discuss your on-site testing needs or to obtain a quote, contact our team and we’ll tailor a solution to your organisation’s size, location, and schedule.