The Hidden Cost of Slow Invoice Approvals

Ask most finance leaders how long it takes to approve an invoice, and you’ll get a rough guess. Ask them to prove it, and the answer usually gets a lot less confident. That uncertainty is more common than it should be. More than half of businesses, 56%, now spend over 10 hours a week just processing invoices and administering supplier payments, and larger organisations often have it worse: 29% of enterprises require six or more approvals per invoice, stretching the process out to three weeks or longer.

Three weeks is a long time for an invoice to sit in limbo. It is long enough for a supplier to start chasing, for a discount window to close, and for a small delay to quietly become a much bigger problem.

Slow Approvals Are Showing Up in Cash Flow

The knock-on effect is visible in how many businesses are now carrying overdue invoices. Nearly three in five businesses, 59%, say at least some of their invoices are overdue by 30 days or more, up sharply from 47% the year before, with the average business waiting on thousands of dollars in unpaid invoices at any given time. It would be easy to assume this is purely a customer-payment problem, businesses waiting on money owed to them. But the same slow, manual approval chains that hold up outgoing payments to suppliers are often holding up the visibility a business needs to chase its own overdue invoices in the first place.

Why Approval Chains Get This Long

Nobody designs a six-step approval process on purpose. It usually grows one exception at a time. A large invoice needs a second sign-off. A particular supplier needs finance’s approval as well as the department head’s. A new category of spend gets an extra check added after something went wrong once, and the extra step never gets removed. Individually, none of these steps look unreasonable. Added together, they are the difference between an invoice clearing in two days and one sitting untouched for three weeks, especially when any single approver is on leave, in back-to-back meetings, or simply has forty other things ahead of it in their inbox.

Automation Is Catching On, Slowly

There are early signs this is starting to shift. The share of AP teams that describe themselves as fully automated has nearly doubled in two years, from 5% to 9%. That is real progress, but it also means the vast majority of AP teams are still managing this largely by hand. For a function that touches nearly every part of the business, from supplier relationships to cash flow forecasting, that gap between best practice and common practice is significant. It is also the reason invoice approval speed varies so wildly between businesses of a similar size.

What Faster Actually Looks Like

Faster invoice approval is not about skipping checks. It is about making sure every check happens automatically, in parallel where possible, and lands with the right person immediately instead of waiting in a shared inbox. That shift alone tends to close most of the gap between a two-day approval and a three-week one, without loosening a single control along the way.

References
QuickBooks (2026) 2026 Small Business Late Payments Report. Intuit. Available at: https://quickbooks.intuit.com/r/small-business-data/small-business-late-payments-report-2026/ (Accessed: 27 July 2026).