Bull has a worldwide presence in more than 100 countries and is particularly active in the defense, finance, health care, manufacturing, public, and telecommunication sectors.

[11] In August 2014, the French IT company Atos announced that it had acquired a controlling stake in Bull SA through a tender offer launched in May.

[13] Bull launched the Hoox m2, the first integrally secured European smartphone, which in June 2014 was approved for use with data classified as "Restricted Information" ("Diffusion Restreinte") by the Agence nationale de la sécurité des systèmes d'information (ANSSI).

On 12 March 2013 Reporters Without Borders named Amesys as one of five "Corporate Enemies of the Internet" and "digital era mercenaries" for selling products that have been or are being used by governments to violate human rights and freedom of information.

A judicial inquiry was opened by the French government in May 2012 following allegations of complicity in torture by the International Federation for Human Rights (FIDH).

[16][17][18] In March 2012 Groupe Bull divested itself of the Eagle System, selling it for 4 million euros to Nexa Technologies, a company run by a former Amesys CEO.