Read more PUBLICATION SO STEF The digital edition of SO STEF 2026 is now online! 12/06/2026 SO STEF looks back on some of the Group’s highlights from 2025, takes a look at 2026, and looks toward the future. Read more
Read more PUBLICATION SO STEF SO STEF 2024 - 2025 03/07/2025 SO STEF is the STEF Group's magazine overview! Read more
Read more PUBLICATION SO STEF The 2023-2024 edition of our So STEF magazine is online! 27/06/2024 So STEF is the Group's annual magazine, launched in 2022. Translated into 7 languages, it is sent to our 22,000… Read more
