ITR has with the following entities partnership, MoU or similar, for developing the Responsible Tourism all over the world.

UNESCO. In January 1999 UNESCO Director General Mayor and ITR signed a MoU signed for developing the Responsible Tourism all over the world. UNESCO works to create the conditions for dialogue among civilizations, cultures and peoples, based upon respect for commonly shared values.

The Biosphere set of standards, developed by the Responsible Tourism Institute, meets the GSTC's Global Criteria for Sustainable Tourism and, therefore, the BIOSPHERE HOTEL standard has been pioneer in obtaining the GSTC's recognition, the only accrediting organization in terms of Sustainable Tourism at global level, and it's the first certification program "Sistema de Turismo Reponsable" in the world to obtain the GSTC-Approved, and it's working on the Accreditation.

TUI is Europe's leading travel group. Putting a smile on people' s faces – this is our mission. And this is what we work for – 73,700 employees around the world work day after day to create unforgettable holiday experiences for our over 30 million customers.

TÃœV Rheinland Group is a leading provider of technical services worldwide. Since our foundation in 1872, we have been developing safe and sustainable solutions for the challenges arising from the interaction between man, the environment and technology.