Post-sanctions Iran offers rewards, risks

Teheran

FOREIGN firms are eager to exploit the potential of Iran's long-isolated economy following a landmark nuclear deal, but experts say doing business in the Islamic republic will remain hugely challenging.

The agreement between Teheran and major powers announced in Vienna on Tuesday offers an opening for international companies as sanctions are rolled back in return for steps to rein in Iran's nuclear programme.

With the ink barely dry, Germany said its vice chancellor and economy minister Sigmar Gabriel would visit Iran for three d…