ISO name and logo
Our short name "ISO"
We, the International Organization for Standardization, own the registered trademarks for our short name, "ISO".
ISO®
Our ISO logo
We also own the registered trademarks for the ISO logo.
These trademarks for the ISO logo and short name are registered in over 100 countries. ISO's trademarks are well-known trademarks.
Use restricted to ISO members and technical committees only
Only ISO, ISO members, and ISO technical committees (TCs) are allowed to use the ISO logo and ISO short name in accordance with ISO Policies. ISO members and ISO TCs may contact us at
ISO's brand and reputation: Quality, confidence, and trust
For standards users, customers and consumers, ISO means quality, confidence, trust, safety and many other positive values. That is why we and our members care about how ISO's trademarks are used and whether unauthorized use of the ISO trademarks could mislead, create false impressions, or cause confusion.
We and our members (located in many countries worldwide) will take appropriate action if we consider the misuse of ISO's trademarks puts our reputation at risk.
We have successfully initiated many legal actions including national trademark actions, notice and takedown claims (including under the Digital Millennium Copyright Act (DMCA)), and domain name abuse claims under the Uniform Domain Name Dispute Resolution Policy with the WIPO Arbitration and Mediation Center.
Use guidelines: ISO's logo and short name
For all others except ISO members and ISO technical committees (TCs), here are some non-exhaustive guidelines to help you avoid misusing ISO's trademarks. (ISO members and ISO TCs may use ISO’s trademarks according to ISO Policies).
ISO logo
- Don't use or copy the ISO logo.
- Don't modify or change the ISO logo.
- Don't use a modified or changed ISO logo.
ISO short name
- Don't register "ISO" as, or in, your domain name, website, or company name, e.g. www.isodatabase.com.
- Don't use "ISO" as, or in, your product or service name.
- Don't say that you, your products or your services are endorsed, approved or certified by ISO. (Remember, ISO doesn't perform certifications.)
- Do refer to ISO or the International Organization for Standardization in a fair and appropriate way.
- Do refer to ISO standards with their full reference, e.g., "ISO 9001:2015".
Choosing a certification body
When choosing a certification body, you should:
- Evaluate several certification bodies.
- Check if the certification body uses the relevant CASCO standard
- Check if it is accredited. Accreditation is not compulsory, and non-accreditation does not necessarily mean it is not reputable, but it does provide independent confirmation of competence. To find an accredited certification body, contact the national accreditation body in your country or visit the International Accreditation Forum.
Displaying your certificate
Remember, when labelling a product or system as certified to an ISO standard:
Don't say: "ISO certified" or "ISO certification"
DO say: "ISO 9001:2015 certified" or "ISO 9001:2015 certification" (for example).