Mossack Fonseca & Co. (Spanish pronunciation: [moˈsak fonˈseka]) was a Panamanian law firm and corporate service provider.

These articles were the result of analyzing an enormous cache of documents, dated from 1970 and 2015, which were leaked to the news media,[6] and which "implicated at least 140 politicians from more than 50 countries" in tax evasion schemes.

[7] On 14 March 2018, the firm announced that it was closing due to the damage inflicted to its finances and reputation by the discovery of the multi-billion-dollar money laundering schemes.

[2][12] An internal memorandum revealed in the 2016 Panama Papers leak noted that 95% of the company's work consisted of "selling vehicles to avoid taxes".

The fund alleged that MF had created shell companies to pass money from the government to Lázaro Báez, an ally of the Kirchner family.

In that case, a judge alleged that "Mossack Fonseca provided services for the opening of offshore societies, and at least four agents were involved in a scheme to launder money.

[17] On 3 April 2016, the German newspaper Süddeutsche Zeitung (SZ) announced that 11.5 million confidential documents from the firm had been leaked to them.

[8] On 20 October 2020, prosecutors in Cologne, Germany, issued international arrest warrants for firm partners, Panamanian Ramón Fonseca and German-born Jürgen Mossack.

With the firm noted as central to the investigation, charges against the two founders include accessory to tax evasion and forming a criminal organization.

The prosecution has asked for up to 12 years in prison for Jürgen Mossack and Ramón Fonseca for concealing assets linked to the Operation Car Wash case.

[46] Steven Soderbergh directed a film, The Laundromat, from a screenplay by Scott Z. Burns that was based on the 2017 book written by journalist Jake Bernstein about the Panama Papers investigation, Secrecy World: Inside the Panama Papers Investigation of Illicit Money Networks and the Global Elite (Macmillan), in which actors Gary Oldman and Antonio Banderas portray firm founders Mossack and Fonseca, respectively.