In October 2023, the UN Global Compact Network Italy launched the new Guidelines “How to Develop a Diversity, Equity & Inclusion Policy,” produced as part of the D&I Observatory in collaboration with the International Labour Organization (ILO) and the Italian Association of Staff Management (AIDP). The document presents the main trends on DE&I among the Italian private sector and shares useful recommendations for drafting and adopting corporate policies on Diversity, Equity & Inclusion, through the perspective of processes, contents as well as roles and responsibilities related to its implementation. The document also presents 11 best practices collected between the Observatory’s participating companies, with reference to their own DE&I policies, strategies and projects. The companies involved in the publication are Vector Spa, FS Group, Enel, TELT, Edison Group, Mediobanca Group, Feralpi Group, A2A, Zobele Group, UniCredit and Leonardo.