Estekak
- Col.legi de Periodistas de Catalunya
- Acrimed | Action Critique Médias
- Komunikazioaren Erabiltzaileen Elkartea - AUC
- Espainiako Kazetarien Elkarteen Federazioa
- Kazetarien Sindikatuen Federazioa - FeSP
- Euskal Kazetarien Elkartea
- Colexio Profesional de Xornalistas de Galicia
- Kazetarien Elkarteen Foroa
- Project for Excellence in Journalism (PEJ) | Understanding News in the Information Age
- Article 19. Global Campaign for Free Expression
- European Journalism Centre
- Pressnet Periodistas , Periodismo y Medios de Comunicación en Internet
- Press Complaints Commission
- The MediaWise Trust
- The Organization of News Ombudsmen (ONO)
- The Society of Professional Journalists
- Fairness and Accuracy In Reporting
- The Poynter Institute for Media Studies