With 11 publishing houses and 20 different imprints, in recent years GeMS has published many important italian best-selling authors: Stefania Auci, Donato Carrisi, Francesco Filippi, Nicola Gardini, Alessia Gazzola, Massimo Gramellini, Gianluigi Nuzzi, Vito Mancuso, Valter Longo, Andrea Vitali, Helena Janeczek, Andrea Tarabbia and Ilaria Tuti, each of whom is a publishing phenomenon costantly at the top of the charts. The list also includes many international authors Clive Cussler, Ildefonso Falcones, Clara Sanchez, Glenn Cooper, Malala Yousafzai, Michelle Obama, Marie Kondo, James Patterson, Jonathan Safran Foer, Gail Honeyman, Rupi Kaur and André Aciman and authors who made the history of the Group such as: Roald Dahl, Jostein Gaarder, J.K. Rowling, Patrick Süskind, Luis Sepúlveda, Tiziano Terzani and Claudio Magris. Many writers, in the wide catalogue of the Group, are now great contemporary classics. Among others: Roald Dahl, Jostein Gaarder, J.K. Rowling, Patrick Suskind, Luis Sepulveda, Wilbur Smith, Tiziano Terzani, Claudio Magris.
GeMS rapidly established as a leading group on the Italian publishing scenario and it is recognized for its ability in scouting and promoting the most promising international authors. Furthermore, in recent years GeMS has intensely invested in digital marketing and in digital publishing. The role of GeMS is to supervise the industrial functions that take advantage of the group cooperation, and to give each publishing house complete publishing autonomy, the freedom to acquire new authors and the economic and financial planning of every publishing project.