According to the official website of Signal Group, their official business partner in Iran is Zist Tajhiz Pooyesh Company. Zist Tajhiz Pooyesh Company is added on February 3, 2017 to the Specially Designated Nationals (SDN) list maintained by the U.S. Department of the Treasury’s Office of Foreign Assets Control (OFAC) for suppling goods to Mabrooka Trading, which procures items for Iran-based Navid Composite, a subsidiary of U.N.-sanctioned Sanam Industries Group;

Also Signal Group is mentioned as business partner of the official website of Zist Tajhiz Pooyesh Company;

Despite U.S. sanctions on Iran Regime, and regime sponsor for terrorist organizations, terrorist attacks around the world, developing weapons of mass destruction and threating to destroy other countries, Signal Group from United Kingdom continues to work with Iran;

ifmat - Signal Group working in Iran