ISO/IEC 17043
Proficiency Testing Accreditation
ISO/IEC 17043 is the international standard for proficiency testing providers. It demonstrates competence in designing, operating, and evaluating proficiency testing schemes, ensuring reliable and comparable results for laboratories worldwide.
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ISO/IEC 17043 –
Proficiency Testing Provider
Proficiency Testing Provider (PTP) Accreditation is conducted through the utilization and implementation of ISO/IEC 17043 Conformity Assessment — General requirements for proficiency testing. ISO/IEC 17043 requires Proficiency Testing Providers to maintain a quality management system and demonstrate competency to provide proficiency testing schemes.
Accredited proficiency testing providers are assessed to ensure that they have: a quality management system in place, competent personnel and resources to produce reference materials or artifacts that are appropriate for the tests or calibration in the scheme. Proficiency Testing Providers are also assessed on how they plan, develop, analyze, and report sound, meaningful schemes.
Why become Accredited?
- Demonstrate competence in the planning, development, and execution of proficiency testing schemes
- Promote compliance to international standards
- Reduce potential costs to your organization
- Increase your ability to produce reliable results
- Gain a competitive market advantage
About the Accreditation Process
PJLA will conduct a full accreditation assessment of your organization that will encompass quality management system activities and technical requirements. This accreditation process includes a preliminary and post assessment documentation review. A certificate will be granted upon the successful completion of the assessment. Organizations will be required to be assessed on an annual basis to ensure continuous compliance.
Why Choose PJLA to Conduct your Accreditation?
PJLA has experience in accreditation. We are a recognized accreditation body by the International Laboratory Accreditation Cooperation (ILAC) and with the Asia Pacific Accreditation Cooperation (APAC) for testing, calibration, inspection, and reference material production (RMP). Our goal is to accommodate our customer’s needs when it comes to costs, technical assistance and accreditation timelines.
Apply for ISO/IEC 17043 Accreditation.
Organizations seeking ISO/IEC 17043 Accreditation may apply online through our easy FREE Quote request form.
The Pathway
Your Journey to Accreditation
We’ve transformed the accreditation process into a clear, structured, and guided pathway. Our team supports your progress at every step — from application to certificate issuance.
Application & Optional Pre-Assessment
Submit your application, identify your scope, and begin working with a dedicated project manager. A pending letter of accreditation is issued once the service agreement is executed.
Preliminary Assessment Preparation
Your documents and proposed scope undergo a detailed internal review. Assessment dates are confirmed and your assessor receives your system documentation 30 days prior.
On-Site Assessment
A formal opening meeting starts the assessment. Your management system, technical activities, staff competence, records, and demonstrations of capability are reviewed.
Corrective Actions & Final Review
A closing meeting outlines any non-conformities. You submit corrective actions within 60 days, after which assessors conduct a full review and finalize the assessment package.
Accreditation Decision & Certificate Issuance
PJLA’s Executive Committee performs the final decision. Once approved, you receive your accreditation certificate and logo files for official marketing use.
Why Choose PJLA
We deliver responsive, transparent, and reliable accreditation services backed by knowledgeable assessors and real-person support.
- Knowledgeable assessors – Experienced experts across multiple laboratory disciplines.
- No hidden costs – Transparent pricing with no surprises.
- Superior customer service – Dedicated, responsive support every step of the way.
- No application fees – Apply without upfront charges.
- No travel markup – Fair, standardized assessor travel costs.
- No assessor transit day billing – You only pay for meaningful assessment time.
- Clients have a voice in assessor selection – Choose assessors who best fit your needs.
- Complimentary marketing services – Promote your accreditation with free support.
- Responsive to client needs – Fast turnaround and flexible scheduling.
- Dedicated assessment scheduling team – Ensuring smooth and timely coordination.
- Live, real-person support – No automated systems; talk to a real human every time.
Accreditation Expertise for Every Laboratory Discipline
At Perry Johnson Laboratory Accreditation, Inc. (PJLA), we provide internationally recognized accreditation services across a wide range of conformity assessment bodies.
Select a program below to learn more, or browse all accreditation programs.
ISO/IEC 17025
ISO/IEC 17020
ISO/IEC 17043
ISO/IEC 17065
ISO 17034
ISO 15189
ISO/IEC 17024
ASTM E2659
What Our Clients Say
Accreditation provides the marketplace confidence that your organization has a well-established quality management system producing reliable and accurate results. Accreditation is utilized globally by various industries to confirm traceability in results. Becoming accredited symbolizes integrity and competency within your organization which provides you a market advantage over competition. Accreditation is strongly utilized by regulatory agencies as a qualifying factor to accept organizations for specific programs or schemes.
Just as our customers, Perry Johnson Laboratory Accreditation, Inc. (PJLA) is evaluated every 4 years by our recognition body the Asia Pacific Accreditation Cooperation (APAC). This evaluation includes our adherence to ISO/IEC 17011:2017 Conforming Assessment – General Requirements for Accreditation Bodies Accrediting Conformity Assessment Bodies as well as ILAC and APAC criteria. During this same visit, PJLA may also be observed by industry regulators for any national programs we offer accreditation services for. Please visit the ILAC website at www.ilac.org or APAC website at www.apac-accreditation.org to view our credentials as a signatory to both MRAs.
Initially organizations should purchase a copy of the standard wishing to be accredited for. This can be purchased under from the International Organization for Standardization (ISO) website at www.iso.org. A full system internal audit and a full management review shall be conducted prior to our arrival. This allows organizations to have a sufficient understanding of where any gaps are between their system and the requirements of the standard. Appropriate training shall be conducted of all pertinent personnel and records shall be available to demonstrate adherence to the standard. Organizations should ensure that the following PJLA documents are downloaded from the PJLA website and are implemented:
- PL-1 Proficiency Testing Requirements
- PL-2 Traceability Requirements
- PL-3 Measurement Uncertainty Requirements
- PL-4 Calibration Scopes of Accreditation Requirements
- SOP-1 Accreditation Procedure
- SOP-3 Use of Accreditation Claims and Symbols
- WI-8 Testing Scopes of Accreditation Requirements
- WI-9 Inspection Scopes of Accreditation
To view these documents, please go to our Documents webpage.
All organizations should to sign up to our receive notifications on our home page that will provide you weekly updates on any news, changes to our policies and criteria and Free Training Events. Organizations not meeting these additional requirements, will be issued a nonconformity. Additionally, PJLA offers various guidance tools and free training to assist organizations implement the requirements of the standard.
Frequently Asked Questions
Have questions about ISO 9001 or our certification process? We’ve got answers.