Office Administrator duties and responsibilities Office Administrators have many responsibilities within the office environment, but one of their most essential roles is responding to phone calls and emails in order to keep the business’ operations running smoothly. Some of their other duties include to: Coordinate activities throughout the company to ensure efficiency and maintain compliance with company policy Supervise members of the administrative staff, equally dividing responsibilities to improve performance Manage agendas, travel plans and appointments for upper management Manage emails, letters, packages, phone calls and other forms of correspondence Support bookkeeping and budgeting procedures for the company Create and update databases and records for financial information, personnel and other data Track and replace office supplies as necessary to avoid interruptions in standard front office procedures Submit reports and prepare proposals and presentations as needed Assist colleagues whenever there is an opportunity to do so