The BSM-2025 Conference, organized by the UK-based journal Progress in High Energy Physics (PHEP), in collaboration with Sabancı Üniversitesi, follows the successful precedents of BSM-2023 and BSM-2021. The conference will take place in Istanbul from October 6 to 9, 2025. It is dedicated to exploring the latest advancements in physics beyond the Standard Model, encompassing particle physics, cosmology, and gravitation. It aims to foster international collaboration among high-energy physicists and facilitate in-depth discussions on cutting-edge theoretical, experimental, and observational