ENAV has been included in the "Green Star Sustainability" ranking of the German Institute of Quality and Finance (ITQF), a ranking of the most sustainable companies in 2021 released in April 2021.

Green Stars are companies most committed to green economy strategies, with the specific intent of minimizing their impact while fully respecting the environment and society.

The ITQF has chosen an method of investigation: social listening. Through a complex online search  "social listening"  almost a million citations were collected on the issue to establish the most sustainable companies in Italy 2021.

The ITQF study has collected over one million of these online citations concerning the green impact of businesses in Italy. The result is the most in-depth survey of online sustainability reputations in Italy.