Adyen is a Dutch payment company with the status of an acquiring bank that allows businesses to accept e-commerce, mobile, and point-of-sale payments. It is listed on the stock exchange Euronext Amsterdam.

Adyen offers merchants online services to accept electronic payments. The technology platform acts as a payment gateway and a payment service provider.

Adyen was founded in 2006 by Pieter van der Does, the current Co-CEO, and Arnout Schuijff. Headquartered in Amsterdam, the company employs over 4,300 people in offices in twenty-three countries.

In 2012, Adyen started to expand globally, opening its offices in San Francisco, Paris, and London. In the same year, it obtained its pan-European acquiring license.

In 2015, Adyen achieved a valuation of $2.3 billion, making it the sixth-largest European unicorn.

In 2016, it obtained an acquiring license in Brazil through a BIN sponsorship.

In 2017, the company was granted a European banking license, which gave it the status of an acquiring bank. It also obtained acquiring licenses in Singapore, Hong Kong, Australia, and New Zealand.

In 2018, the company announced that it would be listing its shares publicly in Amsterdam. The IPO took place on 13 June 2018.