At its core is EU Market Surveillance Regulation (EU) 2019/1020, which has been fully in force since July 2021. This is managed through the central coordination hub of the Federal/State Working Group on Chemical Safety (BLAC) and the Substance Market Surveillance Service Centre (Servicestelle Stoffliche Marktüberwachung), established in 2018. Additionally, the German Market Surveillance Forum (DMÜF) was created under the Market Surveillance Act (MÜG) by the Federal Ministry for Economic Affairs and Climate Protection (BMWK). Contingency plan for complaints: It is advisable to have a contingency plan for responding to a complaint by marketing surveillance authorities. ConclusionThe market surveillance of chemical products poses complex challenges for SMEs.