Unzer (Heidelpay Group) was acquired by KKR for $668 million.

Unzer (Heidelpay Group), a Heidelberg, Germany-based company providing payment processing services, announced that it was acquired by the American private equity house KKR.

The deal was made for more than €600 million ($668 million) with majority stakeholder AnaCap Financial Partners. Post transaction, KKR will control a major equity package in Unzer.

Unzer, founded in 2003 as Heidelpay and led by CEO Jens Bader, enables its clients to accept online and mobile payments via a modular platform designed for international payment transactions.

The modules, which are easy to integrate, cover the entire spectrum of payment management: from processing of various payment types, through automated analytics of customer behaviour and requirements, all the way up to integrative risk management.

The company works with customers of all sizes and from all sectors and is used by more than 30,000 merchants, including companies such as L’Oréal.