Proficiency Testing Australia is one of Australia's Largest and most experienced Proficiency Testing Providers
Who We Are
At Proficiency Testing Australia (PTA), we are more than just a proficiency testing provider—we are a trusted partner in quality assurance.
PTA operates as a not-for-profit organisation, governed independently while being a wholly owned subsidiary of the National Association of Testing Authorities, Australia (NATA). We are accredited by International Accreditation New Zealand (IANZ), meeting the stringent requirements of ISO/IEC 17043:2023, ensuring global standards in proficiency testing.
Why Choose PTA?
Why PTA is the Preferred Choice for Proficiency Testing
Expertise across more than 15 industries, combined with up-to-date PT industry standards and best practices
Globally recognised accreditation to ISO/IEC 17043:2023
Comprehensive testing and measurement solutions, with more than 60 programs offered annually
With over 30 years of experience, we deliver PT programs that incorporate sample variability and diverse designs
Ongoing development & innovation, with customised support for laboratories of all sizes
Unlock the Benefits of PTA’s Proficiency Testing Programs
Participating in PTA’s Proficiency Testing Programs empowers laboratories with enhanced accuracy and compliance. The benefits include demonstrating technical competence, meeting accreditation requirements, enhancing testing precision, and benchmarking performance.
Laboratories are key stakeholders in PT programs, alongside those with a vested interest in program outcomes and laboratory performance.
The figure below illustrates the connection between PT Providers and other parties who may have a vested interest in the results generated through PT programs.
History
Our Journey – Advancing Proficiency Testing Since Day One
Proficiency Testing Australia (PTA) has been at the forefront of quality assurance and laboratory excellence for years. Established with a mission to enhance the reliability of testing and calibration services, PTA has grown into one of Australia’s most trusted and internationally recognised proficiency testing providers.
As a wholly owned subsidiary of the National Association of Testing Authorities (NATA), PTA has been instrumental in assisting laboratories, regulatory bodies, and industry organisations in achieving accurate, unbiased, and globally recognised testing results.
Our journey is marked by a commitment to scientific integrity, international accreditation, and continuous innovation, ensuring that laboratories across Australia and beyond meet the highest standards of precision and compliance.
From our early beginnings to becoming an IANZ-accredited leader in proficiency testing, PTA remains dedicated to empowering laboratories, fostering industry confidence, and shaping the future of testing and measurement services.
Our Board of Directors
Karen Cividin
General Manager
Emilia Cincu
Business Development Manager
Delfina Mihaila
Quality Manager
Yvette Christie
Senior Scientific Officer
Cathy Moir
Chair
Giacomo Collica
Director
Melinda Spinks
DirectorOur Team
Meet the Experts Behind PTA
Karen Cividin
General Manager
Emilia Cincu
Business Development Manager
Delfina Mihaila
Quality Manager
Yvette Christie
Senior Scientific Officer
Karen Cividin
General Manager
Emilia Cincu
Business Development Manager
Delfina Mihaila
Quality Manager
Christine Hirst
Senior Scientific Officer
Yvette Christie
Senior Scientific Officer
Kathy Weller
Senior Scientific Officer
Christian Foia
Scientific officer
Germaine Saric
Scientific Officer
Ally Preston
Scientific officer
Manasa Gonuguntla
Administration OfficerCharter of Service
Our Commitment to You- Excellence, Accuracy & Trust
At PTA, we are dedicated to delivering timely, accurate, and reliable proficiency testing services that support laboratories, regulators, and industries worldwide. Our Charter of Service defines our commitment to excellence, transparency, and client satisfaction while outlining how we work together to maintain the highest standards in testing and measurement.
Empowering Quality Across Industries
PTA works with a diverse range of clients, ensuring excellence in testing and measurement:
Accredited & Non-Accredited Laboratories
Supporting both NATA members and international accreditation bodies.
Inspection Bodies & Service Facilities
Helping organizations maintain compliance and quality.
Technical Advisers & Suppliers
Strengthening PTA’s core activities with expert insights.
Governments & Regulators
Assisting in setting and maintaining industry standards
Industry Specifiers
Ensuring reliable testing and inspection services across sectors.
The Australian Community
Providing access to a trusted network of technically competent laboratories and service providers.
Driving Excellence Together- Our Commitment & Your Role
Delivering Excellence- Our Commitment to Clients
At PTA, we prioritize integrity, professionalism, and accuracy in every interaction. We are dedicated to delivering timely and reliable information, upholding confidentiality, and adhering to global best practices in proficiency testing. By fostering trust and transparency, we empower our clients to uphold excellence in testing and measurement.
The benefits of accreditation are that it ensures ongoing competency and therefore provides confidence to our customers.
International Accreditation New Zealand (IANZ) conducts an annual surveillance assessment of PTA to ensure continued conformity with the criteria for accreditation. The assessment itself reviews items such as – The Quality Management System, Internal Audit Reports, Corrective Action, Staff Training Records, Customer Feedback, Endorsed Reports and Program Records. Continued accreditation provides formal recognition of quality and competence, and also provides assurance that PTA is compliant with the requirements and is managing risk. PTA programs that are formally accredited carry the IANZ mark of competence.International Accreditation New Zealand (IANZ) conducts an annual surveillance assessment of PTA to ensure continued conformity with the criteria for accreditation. The assessment itself reviews items such as – The Quality Management System, Internal Audit Reports, Corrective Action, Staff Training Records, Customer Feedback, Endorsed Reports and Program Records. Continued accreditation provides formal recognition of quality and competence, and also provides assurance that PTA is compliant with the requirements and is managing risk. PTA programs that are formally accredited carry the IANZ mark of competence.
Proudly accredited by International Accreditation New Zealand (IANZ) against ISO/IEC 17043:2023 Conformity Assessment – General requirements for the competence of proficiency testing providers, we deliver reliable proficiency testing solutions that drive laboratories towards operational excellence. Our programs are designed to support laboratories in demonstrating technical competence, maintaining regulatory compliance, and achieving continuous improvement.
At Proficiency Testing Australia (PTA), We uphold the Highest Standards of Ethics, Capability, and Strategic Growth to ensure Excellence in Proficiency Testing
PTA Ethics Statement
Proficiency Testing Australia conducts services for our customers in a confidential manner, using honest and ethical business practices based on our operational integrity, conflict of interest and charter of service guidelines
PTA Strategic Statement
PTA has global recognition for proficiency testing. PTA provides high standard of services including proficiency testing programs and related training, auditing and consultancy. PTA promotes quality for industry by providing confidence in testing.
PTA Capability Statement
Proficiency Testing Australia (PTA) is one of Australia’s largest and most experienced proficiency testing providers. A wholly owned subsidiary of NATA, PTA was established in 2006 to offer diverse proficiency testing, calibration, and inspection services.
Register in Our Programs
Register your lab for a proficiency testing program. Click here to get started.
Explore the PTA 2025 Proficiency Testing Schedule
Access a comprehensive list of programs, key dates, and participation details to ensure seamless proficiency testing for your laboratory.
Ensure Precision with Our Measurement Audits
Participate in our Measurement Audits to validate your laboratory’s accuracy against established reference standards.