Oversaw administrative processes including document organization, file maintenance, and the archiving of outdated records to ensure efficient retrieval and regulatory compliance. Coordinated hotel reservations and travel arrangements for corporate clients, managing flight bookings, accommodations, and transportation logistics. Acted as a liaison between clients and vendors, maintaining clear and effective lines of communication to support smooth operations. Supported day-to-day business functions by collaborating productively with team members and contributing to operational efficiency. Managed visa, residence, and work permit applications for foreigners in Serbia, ensuring accurate documentation and compliance with national regulations. Handled Schengen visa applications for EU countries, including documentation collection, form completion, and consular appointment coordination. Conducted legal and procedural research on immigration matters and translated documents from Chinese into Serbian and English.