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Making a complaint to ISO

ISO is interested to hear from you if you feel that ISO’s management system standards, such as ISO 9001, ISO 14001 or ISO 50001 are being misused.

ISO's objective in addressing these complaints is to encourage and facilitate dialogue between you, as the complainant, and the other parties involved, with a view to finding a mutually beneficial resolution. Nevertheless, ISO does not guarantee a resolution to your complaint, nor does it assume any liability for any consequences arising out of the steps taken to resolve your complaint.

Actions to complete before sending a complaint to ISO

Before submitting a complaint, please make sure you have completed the following:

Sending your complaint to ISO

To make a complaint to ISO in relation to its management system standards please send your complaint and all related information to MSSComplaints@iso.org

In order to help us in addressing your complaint, as much of the following information as possible should be provided:

Processing of the complaint

Using the information you provide ISO will attempt to help you work towards a resolution. This may require ISO to contact the parties that you referenced in your complaint or any other body ISO deems appropriate. By submitting your complaint, you hereby authorize ISO to share any parts of the information contained in your complaint, including your name and contact details, to these parties at ISO's entire discretion. If you wish your complaint to remain confidential, you must clearly specify this in your complaint.

A response to your complaint will be sent to you within 14 days after its submission to ISO.