SMX (Security Matters) Public Limited Company, through its subsidiaries, engages in the development and commercialization of track and trace technologies for various industries.

It owns and commercializes technology to mark various objects, such as solid, liquid, or gas allowing identification, circularity, proof of authenticity, tracking supply chain movements, and quality assurance.

The company's technology comprises a chemical-based hidden barcode system, as well as a reader to identify these codes and a blockchain record to store and protect ownership data.

It serves brand owners and manufacturers. The company was formerly known as Empatan Public Limited Company and changed its name to SMX (Security Matters) Public Limited Company in February 2023.

SMX (Security Matters) Public Limited Company is based in Dublin, Ireland.