Advent Technologies Holdings, Inc., an advanced materials and technology development company, operates in the fuel cell and hydrogen technology markets in North America, Europe, and Asia.

Advent Data Solutions Our range of data solutions deliver accurate custodial, corporate actions, and benchmark data directly into your portfolio management and trading platforms — when and how you need it.

(ædvent ) uncountable noun. The advent of an important event, invention, or situation is the fact of it starting or coming into existence.

Before the advent of the railways, communications were slow and difficult. She succeeded in a profession which, until her advent, had been entirely male. The advent of the child had caused problems in their relationship. The advent of the new government resulted in many changes.