K+S AG operates through two main business segments: Potash and Magnesium, and Salt. The Potash and Magnesium segment focuses on the extraction and marketing of potash fertilizers, fertilizer specialties, and magnesium compounds used in agriculture and various technical applications. The Salt segment produces food-grade salt, industrial salt, de-icing salt, and sodium chloride brine. Additionally, the company engages in complementary activities such as waste management, recycling in former mines, and logistics services. With a history dating back to 1889, K+S has established a significant geographic footprint, particularly in Europe and the Americas, and maintains a strong competitive position in the global fertilizer and salt markets.