 On 5 November 2017, the Paradise Papers, a set of confidential electronic documents relating to offshore investment, revealed that Efromovich and Synergy Group's subsidiary Avianca Holdings are linked to an offshore conglomerate used for the aerocommercial holding business with ramifications in Bermuda, Panama and Cyprus.Efromovich used a Panamanian offshore that hid more than 20 firms located in tax havens.Germán Efromovich is married to Hilda Liberas, related to the Gilinski, Rabinovitch, and Garcias business families from Colombia and they have three daughters.