In the field of Small Arms and Light Weapons (SALW) and the ATT, the Geneva Branch ensures both the liaison with the Office for Disarmament Affairs in New York as well as with the Geneva-based Non-Governmental and International Organizations, and represents the Office in related meetings held in Geneva.

In addition to the above activities, a number of other - regular and ad hoc - disarmament related meetings also take place at UNOG. Among them is the five-yearly Review Conference of the Nuclear Non-Proliferation Treaty usually holds one of its Preparatory Committee meetings in Geneva.