[1] As of 2020, equensWorldline had additional branch offices in Belgium, Finland, France, Germany, Italy, Luxembourg and sales representatives in the UK.

This followed the merger of Europe's two largest payment processors: Interpay from The Netherlands and the Transaktionsinstitut für Zahlungsverkehrsdienstleistungen AG from Germany.

In July 2008, Equens SE was formed as Societas Europaea, initially operating as a holding company.

[2] In 2016, equensWorldline was created, following the merger between Equens SE and Financial Services and Merchant Services activities of Worldline in the Benelux and Germany, and to a lesser extent France [2] Initially, Worldline hold 63.6% of the shares, the rest (36.4%) being held by Dutch, German and Italian banks.

[3] However, Worldline had a call option on the minority shares, which it exercised in 2019, hence becoming the sole owner of equensWorldline.