Mollie announced raising $800 million in a series C funding round led by Blackstone Growth.

Mollie, an Amsterdam, The Netherlands-based payment processor provider, announced the completion of a $800 million series C capital funding round.

The money was raised from investors led by Blackstone Growth (BXG), Blackstone’s growth equity investing business, joined by EQT Growth, General Atlantic, HMI Capital, Alkeon Capital, and TCV.

Mollie, founded in 2004 by Adriaan Mol and led by CEO Shane Happach, operates as a bridge between webshops, charities and banks and says it expects to process transactions worth €20 billion a year by end of 2021, mostly in the Dutch, Belgian and German markets.

The company works with 120,000 monthly active merchants, and customers include the likes of Deliveroo, Unicef, Acer and Guess. It says it is adding between 400 and 500 new customers each day.

Mollie previously raised a €90 million ($106 million) in a Series B funding round led by TCV in 2020.