Document and file management: Digitization, recording, and organization of files, contracts, and invoices. 
Customer service and communication: Handling the phone switchboard, in-person assistance, and writing/responding to emails. 
Accounting and financial support: Recording journal entries, managing collections/payments, and controlling petty cash or treasury. 
General administrative management: Entering and updating data in databases or ERP systems, and supporting other departments in the company.