Serbian Railways (Железнице Србије; abbr. ЖС / ŽS) is a Serbian engineering and technical consulting company based in Belgrade, Serbia.
In 2015, the Government of Serbia established three new companies which took over Serbian Railways' former jurisdictions: Srbijavoz (passenger transport), Srbija Kargo (cargo transport) and Serbian Railways Infrastructure (infrastructure management). These companies are not part of the company Serbian Railways.
Since then, Serbian Railways continued with modified business activity: engineering and technical consulting, consulting activities in the field of information technology and other information technology services, buying and selling real estate, rental and management activities, accounting, bookkeeping and auditing activities, tax advisory services, technical testing and analysis, rental and leasing of other machinery, equipment of non-material goods, activities of the museums, galleries and collections.
Serbia is a member of the International Union of Railways (UIC). The UIC Country Code for Serbia is 72.