Accreditation
Crystal Mark
The first of its kind, the Crystal Mark is our seal of excellence for general documents such as letters, brochures, leaflets and is now on over 23,000 documents worldwide.
Internet Crystal Mark
Our seal of excellence for your website that shows it reaches our high standards and is clear, well-designed and accessible.
Approved by
If your document is likely to be updated regularly, this is a suitable alternative to the Crystal Mark. Our Approved by accreditation is typically for magazines, newsletters and ever-changing manuals.
Plain English
Book Mark
Our Book Mark is a standalone accreditation for non-fiction books, training manuals or published reference materials.
Plain English
App Mark
An accreditation that tests your app content and all other non-technical aspects such as functionality, design, accessibility and audience suitability.
Honesty Mark
Your document, if it’s already carrying our Crystal Mark, can also carry our Honesty Mark if you are willing to sign a document declaring that the contents are 100% accurate.
Webcheck
Our accreditation for small websites that need basic checks on language, design, navigation, and other key accessibility issues.