Atos [online]. [cit. 2019-04-06]. Kapitola The origin of Atos. Dostupné online. (anglicky)
Atos announces the completion of the acquisition of Siemens Convergence Creators [online]. Atos, 2018-01-02 [cit. 2019-04-07]. Dostupné online. (anglicky)
Atos digital leadership strengthened by the completion of the acquisition of the US-based Syntel [online]. Atos, 2018-10-09 [cit. 2019-04-07]. Dostupné online. (anglicky)