Standards / Quality Management
ISO/DIS 9001:2025
Quality Management Systems
A complete reference to the standard, plus the ISTO Test of Understanding and downloadable syllabus. The world's most widely used quality standard, over a million certified organizations across 189 countries.
1M+
certificates issued worldwide
189
countries using ISO 9001
#1
most-used management standard
1. About ISO 9001
ISO 9001 is a globally recognized standard for quality management. It helps organizations of all sizes and sectors to improve their performance, meet customer expectations and demonstrate their commitment to quality. Its requirements define how to establish, implement, maintain, and continually improve a quality management system (QMS).
With more than one million certificates issued to organizations in 189 countries, ISO 9001 is the most widely used quality management standard in the world. Within the ISO 9000 family, which defines seven quality management principles including a strong customer focus and continual improvement, ISO 9001 is the only standard that can be certified to (though certification is not mandatory).
Why is ISO 9001 important?
Business benefits include:
Customer confidence
The standard ensures that organizations have robust quality control processes in place, leading to increased customer trust and satisfaction.
Effective complaint resolution
ISO 9001 offers guidelines for resolving customer complaints efficiently, contributing to timely and satisfactory problem-solving.
Process improvement
The standard helps identify and eliminate inefficiencies, reduce waste, streamline operations, and promote informed decision-making, resulting in cost savings and better outcomes.
Ongoing optimization
Regular audits and reviews encouraged by ISO 9001 enable organizations to continually refine their quality management systems, stay competitive, and achieve long-term success.
ISO 9001:2026 is on the way
The 2026 revision is at Draft International Standard stage (ISO/DIS 9001:2025) and is expected to publish around September 2026, with a three-year transition period to follow. It folds in the 2024 climate-change amendment and adds a stronger focus on quality culture and ethical behavior. Our syllabus already tracks the new requirements. Get ahead of the change.
Read the full 2026 changes breakdown →2. ISTO Test of Understanding on ISO/DIS 9001:2025
This test is developed for ISO management system standards ("MSS") professionals such as middle and senior management personnel, responsible persons (as defined under clause 5.3), internal auditors, third party certification body auditors and advisors/consultants who are instrumental in the effectiveness of the MSS implementation. It is a multiple choice test designed with three outcomes:
- Certifying the candidate on their understanding of the respective standard
- Measuring the level of understanding in the eight (8) A·C·C·U·R·A·T·E Analysis domains
- Ranking a candidate's performance in a personalised analytics report
What candidates receive
Certificate of Achievement
Verifiable proof of understanding, with a unique URL.
Click to enlarge ↗
Personalised analytics report
Includes your A·C·C·U·R·A·T·E analysis across eight domains and your percentile ranking against the test population.
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More than just understanding
An ISTO Test focuses not only on understanding the requirements of a standard but is also designed to ensure that those who pass the test have demonstrated a knowledge of the underlying management system principles, definitions, applicability, distinguishing requirements from unspecified requirements and the standard's practical implementation.
Credibility
Employers of ISO 9001 auditors/consultants/tutors would find the ISTO TOU qualification a good benchmark in their selection process, as the ISTO TOU adds value to employees' overall performance excellence and consistency. A course tutor with an ISTO TOU credential is able to offer learners a more accurate and complete presentation of the standard.
3. Structure of the Test of Understanding
The ISTO TOU consists of multiple choice questions with four (4) possible options of which only one (1) represents the 'best' option. The ISTO TOU is a Restricted-open-book online test, however candidates are allowed to refer to an unmarked copy of the respective ISO standard which is the only permitted reference material during the test. In an online test, the standard copy will be provided in a separate window, in addition to the test window.
Four options, one best
Each question has a single best answer.
Restricted-open-book, online
Taken on the ISTO test portal.
Standard in a side window
Refer to an unmarked copy of ISO 9001, the only permitted reference.
1) Which clause of ISO 9001 specifies requirements for the control of documented information?
Question Panel
Difference between Level 1 Test and Level 2 Test
The Level 1 test assesses a candidate's understanding of the basic principles and requirements of an ISO management system standard (MSS). The Level 2 is a comprehensive test that covers principles, requirements, and the implementation in various scenarios and business sectors.
| Level 1 — Practitioner | Level 2 — Professional | |
|---|---|---|
| Time allowed | 120 minutes | 180 minutes |
| No. of questions | 80 | 120 |
| Pass criteriaCandidates who meet the Pass criteria will be awarded a Certificate of Achievement | 60% | 70% |
| Distinction criteriaCandidates who meet the Distinction criteria will be awarded a Certificate of Achievement with Distinction | 80% | 85% |
| A·C·C·U·R·A·T·E AnalysisAll candidates will receive a report indicating their level of understanding and relative ranking in each of the eight (8) domains in the star diagram | ✓ Report included | ✓ Report included |
Test Sections Breakdown
How the questions are distributed across each level.
SECTION 1
20 questions
Principles and definitions, applicability, clause 4.3
SECTION 2
30 questions
Management system requirements based on clauses 4, 5, 6, 9 and 10 (except clause 4.3)
SECTION 3
30 questions
Operational requirements based on clauses 7 and 8
SECTION 1
30 questions
Principles and definitions, applicability, clause 4.3
SECTION 2
30 questions
Management system requirements based on clauses 4, 5, 6, 9 and 10 (except clause 4.3)
SECTION 3
30 questions
Operational requirements based on clauses 7 and 8
SECTION 4
30 questions
Six (6) scenarios with five (5) questions each focusing on practical aspects
4. A·C·C·U·R·A·T·E Analysis
Based on ISTO's research and endorsed by the ISTO Technical Advisory Board, the level of comprehension of an ISO management system standard can be grouped into eight (8) domains of understanding.
- Acan Actual requirement in the standard related to documentation.
- CoConcept - the management principles on which the management system standard is based. This includes the sequence of activities as required in the standard.
- Cthe unique Clause reference of a specific requirement in the ISO management system standard.
- Uan Unspecified requirement in the standard (a requirement that does not exist).
- Ra certain Requirement in the Standard (i.e. the text of the requirement).
- Athe Applicability of the standard. This includes the intent of a requirement, and the scope of the standard.
- TTerms and definitions used in the standard. Generally these are defined in Clause 3 of each ISO management system standard. In the case of ISO 9001 QMS, terms and definitions are defined in the ISO 9000 standard.
- Ean Erroneous requirement in the standard related to documentation.
5. Test Description and Syllabus
Two levels, available in English and Traditional Chinese. Select a document to download.
Level 1 — Practitioner
Level 2 — Professional
6. Test Language Availability
ISO/DIS 9001:2025
Quality Management Systems
English
English
English, Español, Français, Portuguese, 中文 (HK), 中文 (PRC), 中文 (TW)