What they are not, by default, is responsible for what happens on either side of the shipment. They don't tell you your supplier is running three weeks behind. They don't flag that your cargo mix this quarter will create a demurrage problem at Jebel Ali, one of the region's busiest ports ( DP World port operations information ). A freight forwarder won't suggest splitting your order across two carriers because one lane is showing unusual congestion out of Guangzhou.