Accounts Receivable
Short answer
Accounts receivable (often called A/R) is the money owed to a business by customers who have been invoiced but have not yet paid. It is an asset on the books.
Why it matters
A/R tracking shows what customers owe and how long it has been outstanding. It is essential for collections, cash flow, and recognizing revenue accurately.
How it works
When an invoice is sent, it is recorded as accounts receivable. When the customer pays, the payment clears the A/R entry and increases cash. The A/R aging report shows which invoices are current and which are overdue.
A simple example
A business invoices a client $2,500 on net-15 terms. The $2,500 sits in accounts receivable until the client pays, at which point it moves from A/R into the cash account.
Related terms
Related service
Monthly Bookkeeping
When you may want help
If you cannot tell which customers owe you, how old invoices are, or whether payments are being tracked correctly, monthly bookkeeping with A/R review can clarify this.


Written and reviewed by Rachel Armstrong, owner and bookkeeper at Armstrong Quality Financial Services. QuickBooks Online Level 1 ProAdvisor. This entry explains a general concept and is not individualized tax, legal, or investment advice.
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