Lagardere | 52,822 followers on LinkedIn. Created in 1992, Lagardère is an international group with operations in more than 40 countries worldwide. It employs around 31,300 people and generated revenue of €8,081 million in 2023. The Group focuses on two main divisions: - Lagardère Publishing is the world’s third-largest book publisher for the general public and educational markets, and the leader in France.