Find Accounts Receivable Expert for hire on Elance. Accounts receivable (A/R) is one of a series of accounting transactions dealing with the billing of a customer for goods and services they have ordered. Accounts receivable consultants generate an invoice by either mailing or electronically delivering it to the customer, who, in turn, must pay it within an established time-frame, called credit terms or payment terms. Some accounting experts advise companies to use their accounts receivable as collateral when obtaining a loan (asset-based lending). Post your Accounts Receivable Management job and get proposals from rated and tested Accounts Receivable Management experts today.