Accounting & Reporting

Unbilled Receivables

Revenue you have earned, booked, and cannot invoice yet. Learn to read the contract-asset balance and you can see a company's billing discipline, its estimating discipline, and its next writedown.

  • Advanced
  • 7 min total
  • 12 chapters

What decision this helps you make: Whether the revenue on the income statement is backed by an enforceable claim — and how long the gap between "earned" and "billable" is allowed to get before it becomes a problem.

What this topic is

An unbilled receivable — a contract asset under ASC 606 — is revenue you have properly recognized because you did the work, held against a customer who cannot yet be invoiced because something other than the passage of time still has to happen: a milestone, an acceptance, a sign-off.

Why it matters

It is the single largest gap between reported profit and collected cash in project businesses, and one of the most reliable leading indicators of estimate problems. A rising unbilled balance is either a billing-schedule artefact or an early warning that the work being counted has not been agreed by the customer.

Who should learn it

Controllers, CFOs, analysts, diligence teams, and owners of any business that does work before it can invoice — construction, engineering, systems integration, professional services, defence, media production.

What you will understand

  • The exact line between a contract asset and a receivable, and why invoicing is not the test
  • How cost-to-cost progress manufactures unbilled revenue, with the arithmetic
  • What a cumulative catch-up does when the estimate moves
  • The diagnostics that separate a slow billing schedule from a bad estimate

Prerequisites

Common misconception

"Unbilled just means the invoice has not gone out yet — it is a back-office timing thing." No. The accounting test is conditionality, not paperwork. If your right to the money depends on anything except time passing, that balance is a contract asset carrying real performance risk, and it can be impaired without the customer ever missing a payment.