The CFO's Guide to Vendor Payment Terms Optimization
TL;DR
- A 2/10 net 30 discount program can provide an annualized return of 36 percent, which is better than most companies earn on invested capital, according to Craig Martin, Managing Director at Deloitte.
- The annualized return on a 2 percent early payment discount over 20 days is approximately 36.7 percent APR, which is significantly higher than the capital costs of most investment-grade companies.
- Dynamic discounting programs can produce returns in the 8 to 15 percent range on excess cash deployed for buyers, making it a lucrative opportunity for working capital optimization.
Most companies treat vendor payment terms as a fixed constraint. Whatever the vendor's standard terms are, that is what you pay. This is a significant missed opportunity. Payment terms are negotiable, the math on optimization is straightforward, and the working capital impact at scale can be material.
"Optimizing payment terms is one of the highest-return working capital levers available to a CFO. A 2/10 net 30 discount program, properly funded, is equivalent to an annualized return of 36 percent — better than most companies earn on invested capital."
— Craig Martin, Managing Director, Treasury and Finance Practice, Deloitte (2022)
Early payment discounts: the actual math
The most common early payment discount is 2/10 net 30: the buyer gets a 2 percent discount if they pay within 10 days instead of 30. At face value, 2 percent does not sound significant. But calculate the annualized return on that 20-day early payment: 2 percent over 20 days annualizes to approximately 36.7 percent APR.
Very few investment-grade companies have capital costs that high. If you can borrow on your revolver at 7 percent, every 2/10 net 30 discount you capture is a 29-percentage-point spread. This is essentially free money if you have liquidity.
The catch is that most companies do not have the AP process visibility to reliably pay within 10 days. Invoices arrive, sit in an approval queue, get matched to POs, and eventually make it into a payment batch, by which point the discount window has closed. Capturing early payment discounts systematically requires AP automation that flags eligible invoices at receipt and routes them for accelerated approval.
Dynamic discounting programs
Dynamic discounting extends the early payment discount model to a sliding scale. Instead of a fixed 2/10 net 30, the discount varies with how early you pay. Platforms like C2FO and Taulia facilitate this between buyers and suppliers, with the buyer essentially acting as a lender to their supply chain at rates better than what suppliers could get from a bank.
For buyers, dynamic discounting produces returns in the 8 to 15 percent range on excess cash deployed. For suppliers, especially smaller vendors without strong bank relationships, it provides on-demand liquidity without formal credit facilities. Most programs become viable above $50M in annual payables.
Supply chain finance
Supply chain finance inverts the dynamic discounting model. Instead of the buyer deploying their own cash early, a bank or third-party funder pays the supplier early at a discount and the buyer repays the funder on extended terms, often 60 to 120 days. The supplier gets early payment. The buyer extends their payables without straining the supplier relationship. The funder earns the spread.
The accounting treatment for SCF programs has gotten more scrutiny since the 2021 SEC guidance. Some programs qualify as trade payables and some reclassify to short-term debt depending on structure. Consult with your auditor before implementing.
Stretching payables: the limits
Extending payment terms with suppliers to improve working capital is legitimate up to a point. The limit is where the extension starts to strain the supplier relationship, triggers late payment penalties, or causes a single-source supplier to reduce their commitment to your account. Track the relationship health alongside the financial metric. DPO optimization is a real lever, but it borrows from the supply chain relationship budget, and that budget has a limit that does not show up on your balance sheet until a supplier says no.
📊By the numbers
| Metric | Finding | Source |
|---|---|---|
| Annualized return on 2/10 net 30 early payment | 36.7% | AFP Working Capital Survey, 2023 |
| Companies actively negotiating vendor payment terms | 48% | Deloitte Working Capital Report, 2023 |
| Average DPO improvement from active terms management | +8 days | PwC Annual Working Capital Study, 2023 |