In 2015, Sofer & Haroun, formed an alliance with IPSILON France creating the IPSILON USA firm.  Joe Sofer took the role of managing partner for IPSILON USA, LLP. IPSILON USA further consolidated Sofer & Haroun’s international activities and offers its clients a high quality, and integrated service. Sofer & Haroun, and IPSILON have been working successfully together for nearly 18 years with spectacular results. IPSILON USA enhances the level of collaboration with the aim to provide a one-stop responsive service in  US  and Europe. In addition to the US, IPSILON also has offices in France (Paris region, Nantes, Tours, Toulouse, Strasbourg), in Luxembourg and in Germany.