When doing business in Iran you will notice that most Iranian officials and business people wear clothing comprising of trousers, shirt and jacket. Many officials will be seen with collarless shirts. Ties are very uncommon.

As a male you would be expected to be smart and conservative. A suit is standard although wearing a tie is not necessary.

Whether doing business in Iran or visiting, women should wear very conservative clothing that covers arms, legs and hair. When in public women must cover their hair with a scarf. However, the last decade has seen incredible changes in what the authorities are willing to tolerate. Women can now be seen wearing make-up, jeans and scarves that barely cover the hair. However, as a foreigner it is best to err on the side of caution.