In order to perfectly deal with customs procedures special expertise is required. Consequently, similar to tax procedures, a lot of money, time and work can be saved. Building up your own department is time intensive and bears risks in terms of personnel.
In addition, outsourcing is trouble-free. Any data is electronically transferred and is available to all parties involved at any time. Even semi-outsourcing is possible, if, for example, peak times shall be cushioned.