Advent Technologies Holdings, Inc. operates as an advanced materials and technology development company. The company is headquartered in Boston, Massachusetts and currently employs 100 full-time employees. The company went IPO on 2018-11-16. The firm develops, manufactures, and assembles complete fuel cell systems and the critical components that determine the performance of hydrogen fuel cells and other energy systems. Its core product offerings are full fuel cell systems and the Membrane Electrode Assembly (MEA) at the center of the fuel cell. The firm develops and manufactures high-temperature proton exchange membranes (HT-PEM or HT-PEMs) and fuel cell systems. Its systems are aimed to provide stationary power for the off-grid, backup, critical infrastructure, and portable markets. The firm also develops and manufactures MEAs, and designs fuel cell stacks and complete fuel cell systems for a range of customers in the stationary power, portable power, automotive, aviation, energy storage and sensor markets.