The Croatian Television (HTV) quoted Ingra official in Iraq as saying in Saturday's flagship news programme that a cleaning lady and a secretary employed by the company were injured in the attack.
The official said that the offices were destroyed with the documents, furnishing and other property having been partly damaged in a fire.
The part of the Iraqi capital where the Ingra business offices are situated has recently been exposed to frequent rocket attacks.
For 50 years of business, Ingra has participated in construction of more than 700 commercial development projects in 30 countries. In the course of many years the company has been present in Algeria, Sudan, Iraq, Iran, Yemen, Libya, Ukraine and Russia as well as on the Western markets like Germany and the USA, according to Ingra's website.