Through his career, João de Castro, as photographer, producer and writer, filled for several times the editor’s office, consulter, trainer, judge and project administrator. He developed his interest in aesthetic, art, photography history, philosophy, psychology and sociology, in connection to his activity and intervention on the photographic, artistic and journalistic environments.

With the arrival of digital photography, in 2004, embraced the new technology, increasing his knowledge of photography and it’s art, specializing in fine art digital printing.

Through the years has been the consulter for photography, photographic art and printing for Konica Minolta, Hewlett-Packard Portugal, Adobe and other companies and organizations.

Conceives (format, design and internet) and administrates (partnerships, implementation, internet, means, promotional and management actions) several projects in photography and arts, sponsored and supported by prestigious brands and organizations. He has organized contests, sponsored photographers groups, exhibitions, cultural actions, , such as: www.ponto128.com - web page dedicated to photography, www.bneye.com – prestige gallery of Portuguese photographers, “Workshops of Professional Printing and Fine Art” - HP printers offer, “Project” – printing and exhibition of photographers work, “High Visions” – sponsored group of photographers, “Nude Printing” photographic contest, and several promotional actions.
Among other productions, was in 2006 co-producer of the exhibition and book Manifest 24 for the Angel Orensanz Foudation and Publimax - New York - USA.

For 2011 and 2012, he is an organizer of the 36º International Salon of Photographic Art of Algarve, the only in Portugal that receives the high sponsoring of The International Federation of Photographic Art – FIAP and the Photographic Society of America – PSA, highest representatives of the world photography, included in the international calendars of photography salons and considered one of the most significative of the world.

The consulting services that are available are:

- Image (institutional, campaign, audiovisuals management and web formats).
- Professional formation in image and audiovisual perception.
- Conception, planning, execution and administration of institutional actions and cultural and visibility projects.
- Fine art printing, planning and execution of audiovisual exhibitions.