The responsibility of the WCO Secretariat is to provide quality, independent support to WCO member administations on all the activities that are carried out by the Organization, and to serve the WCO with professionalism, impartiality, transparency and integrity.
The WCO Secretariat, located in Brussels, has 151 staff members and is headed by a Secretary General. Its main duties are to supply technical, logistical and professional support to the various working bodies established by the Council, to provide capacity building and technical assistance and to develop and maintain tools and instruments.
The Secretariat staff includes individuals representing over 45 nationalities, most of which are professional Customs officers. There is also a number of personnel working in support services, such as IT services, finance, human resources and language services. The working languages of the WCO are English and French.