ISO 17025

 Standardization and Calibration Laboratories Accreditation System According to ISO/IEC 17025



ISO/IEC 17025:2017 is the international standard for general requirements for the competence of testing and calibration laboratories. It was developed by the International Organization for Standardization (ISO) and the International Electrotechnical Commission (IEC). The standard is based on ISO 9001 and provides a framework for a quality management system.


General Conditions for the Efficiency of the Performance of ISO 17025 Measurement and Calibration Laboratories

The International Organization for Standardization (ISO) and the International Committee (IEC) adopt the ISO 17025 standard for determining the general requirements and conditions for the efficiency of the performance of measurement and calibration laboratories. International recognition as an international standard in various countries.

The ISO 17025 specification includes the requirements for the ISO 9001 quality management system in the field of calibration and testing, in addition to the technical requirements for the performance efficiency of laboratories in their implementation of measurement and calibration activities.



Obtaining the ISO 17025 certificate from the accreditation body guarantees and gives confidence to the requesting bodies for testing, measurement, and calibration that all tests were carried out in standard conditions and using approved technical methods and verified by qualified human resources, and therefore the results are accepted anywhere in the world.


Benefits of implementing a laboratory quality system and obtaining ISO 17025 certification 

  • Increasing confidence in the test, measurement, and calibration results issued by the laboratory
  • Implementation of testing, measurement, and calibration work according to an internationally recognized global reference
  • Reducing lost times as a result of re-exams
  • Ensuring the laboratory’s dependence on qualified human resources and the use of sound technical methods in the implementation of activities
  • Confidence and conviction of customers in the results of examination, measurement, and calibration issued by the laboratory
  • International acceptance of laboratory results
  • Improving processes and activities related to inspection, testing, and calibration, which ensures reducing costs and increasing profits and the number of customers
  • The existence of a documented system for managing the laboratory and receiving objections and complaints from customers


How can we help you accredit your laboratory according to ISO 17025? 

All measurement and calibration laboratories, whether those that work only in measurement and calibration activities or laboratories that follow industrial companies, seek to show the extent of confidence and reliability in the results issued by them, so all laboratories seek to obtain international accreditation according to ISO/IEC 17025:2017.

 Therefore, we offer our services to all measurement and calibration laboratories to obtain international accreditation through the following steps:

  1. Conducting a comprehensive survey of all processes and activities related to testing or calibration operations within the laboratory in accordance with the requirements of ISO/IEC 17025:2017 and local and international good practices used in laboratories
  2. Provide a detailed report on the strengths and weaknesses and determine the extent of conformity with the requirements of ISO/IEC 17025:2017
  3. Qualification of human resources and laboratory staff and awareness of the requirements of ISO/IEC 17025:2017
  4. Preparation of laboratory quality management system documents according to ISO/IEC 17025:2017, which include: Documented procedures, operating instructions, and models
  5. Applying the documented system and qualifying laboratory workers to use and apply the documented system (procedures, operating instructions, forms)
  6. Study and analyze all the tests carried out and determine the test method
  7. Uncertainty Uncertainty
  8. Perform a Proficiency test or inter-laboratory comparison
  9. Inventory and analysis of customer complaints and develop a system to manage customer complaints and objections
  10. Selecting the internal audit team and qualifying them to implement the “ISO 17025 Internal Auditor” course and implement the full internal audit on the applicable system
  11. Choosing an accreditation body, completing accreditation and evaluation procedures, and issuing an accreditation certificate.



What are the provisions of ISO/IEC 17025?

1. scope

2. Normative references

3. Terms and definitions

4. General requirements

4 -1 Impartiality

4 -2 Confidentiality

5. Structural requirements

6. Resource requirements

6 -1 General General

6 -2 Personnel

6 -3 Facilities and environmental conditions

6 -4 Equipment Equipment

6 -5 Metrological traceability

6 -6 Externally provided products and services

7. Process requirements Process requirements

7 -1 Review of requests, tenders, and contracts

7 -2 Selection, verification, and validation of method Selection, verification, and validation of method

7 -2-1 Selection and verification of method

7-2-2 Validation of method

7-3 Sampling 

7-4 Handling of test or calibration items

 7-5 Technical records

7-6 Evaluation of measurement uncertainty

7 -7 Ensuring the validity of results

7 -8 Reporting of results

7 -8 -1 General

7-8-2 Common requirements for reports (test, calibration, or sampling) 

7-8-3 Specific requirements for test reports

7-8-4 Specific requirements for calibration certificates

7 -8 -5 Reporting sampling – specific requirements

7 -8 -6 Reporting statements of conformity

7 -8 -7 Reporting opinions and interpretations

7 -8 -8 Amendments to reports

7 -9 Complaints

7 -10 Nonconforming work

7 -11 Control of data and information management

8. Management system requirements

8 -1 Option

8 -1 -1 General General

8 -1 -2 Option A

8 -1 -3 Option B

8 -2 Management system documentation Option A

8 -3 Control of management system documents Option A

8 -4 Control of records Option A

8 -5 Actions to address risks and opportunities Option A

8 -6 Improvement Option A

8 -7 Corrective action Option A

8 -8 Internal audits Option A

8 -9 Management reviews Option A


Entities are interested in implementing ISO 17025 laboratory quality management system and obtaining ISO 17025 certification

All measurement, examination, and calibration laboratories, whether separate or inside industrial facilities

Laboratories established within factories, food companies, and petroleum companies

Private and governmental laboratories concerned with carrying out tests

Laboratories interested in obtaining accreditation and documentation of test and calibration results issued by them with accreditation from an internationally recognized accreditation body


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