Answer and direct incoming phone calls professionally Greet and assist visitors, clients, vendors, and guests Receive, sort, open, and distribute incoming mail Make bank, post office, and other business runs/errands as needed Update and maintain company check spreadsheets and records Order and maintain office supplies and inventory Maintain organization of common office areas Maintain organized Accounts Payable (AP) & Accounts Receivable (AR) files Assist with new customer credit applications Process customer and vendor invoices , including preparing, entering, reviewing, and submitting invoices Provide backup support for billing and other accounting functions Assist the accounting team with additional administrative/accounting duties as assigned