Advent Technologies Holdings, Inc. is an enterprise dedicated to pioneering advanced materials and technological solutions, primarily within the hydrogen and fuel cell sectors, operating across both North America and Europe. The company is actively involved in the creation, production, and integration of comprehensive fuel cell systems, alongside critical components that are instrumental in optimizing the performance of hydrogen fuel cells and other energy technologies. Its product portfolio encompasses high-temperature proton exchange membrane (HT-PEM) fuel cells, as well as electrodes and membrane electrode assemblies (MEAs) specifically designed for fuel cell and energy storage applications. Furthermore, Advent Technologies offers its expertise in engineering fuel cell stacks and integrated fuel cell systems, catering to diverse markets such as stationary power, portable power, automotive, aerospace, energy storage, and sensor technologies. The company maintains its corporate headquarters in Livermore, California.