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Lesson 6 of 12 · Free

Factoring, supplier credit and Skonto: fees, recourse versus non-recourse and the cost of a missed cash discount

Calculate the annualised cost of forgoing a Skonto, decide when supplier credit is worth it, and price a factoring contract with its fee, interest, advance rate and recourse terms.

Author: Moustafa HijaziContent reviewed: 2026-10-306 min readSelf-study course

What you will learn

  • Why supplier credit is not free and the formula for the annualised cost of a missed Skonto (early-payment discount).
  • How factoring works: advance rate, retention, fee, interest and recourse versus non-recourse.
  • How to calculate the real annual cost of a factoring contract and net it against the savings.

Explanation

Supplier credit and Skonto

When a supplier delivers today and lets you pay in 30 days, it has given you a supplier credit (Lieferantenkredit). It feels free, but the price is hidden in the Skonto: a typical German invoice says "2 % Skonto within 10 days, net within 30 days". Paying on day 30 instead of day 10 means borrowing the money for 20 extra days at a price of 2 percent of the invoice.

The annualised cost of forgoing the discount is:

cost per year = d ÷ (1 − d) × 360 ÷ (N − D)

where d is the discount rate, D the discount period and N the net payment period in days. For 2 % / 10 / 30: 0.02 ÷ 0.98 × 360 ÷ 20 = 0.0204 × 18 = 36.7 percent per year. Almost no overdraft is that expensive, so the rule of thumb is: take the Skonto, even on borrowed money, as long as the overdraft rate is below the annualised Skonto cost. The exception is a long net term: 2 % / 7 / 60 costs only about 13.9 percent, close to overdraft rates and a genuine judgement call.

Factoring

Factoring means selling open business-to-business invoices to a factor (a bank or specialised company). The factor pays an advance, typically 80 to 90 percent of the gross invoice, within a day or two; the retention (Sicherheitseinbehalt) follows when the customer pays, minus two costs:

  • A factoring fee, a percentage of gross invoice volume covering administration, dunning and credit risk; it depends on volume, invoice size and customer quality.
  • Interest on the advanced amount for the days until the customer pays, usually a reference rate plus a margin.

The contract forms that matter:

  • Non-recourse (echtes Factoring): the factor takes the credit risk (Delkredererisiko); if the customer goes bankrupt, you keep the advance. This is the usual form in Germany and removes the receivable from your balance sheet, which improves the equity ratio.
  • Recourse (unechtes Factoring): you must repay the advance if the customer does not pay. Cheaper, but economically a loan secured by receivables.
  • Disclosed (offen) versus undisclosed (still): whether the customer is told to pay the factor. Full-service factoring includes dunning; in-house factoring leaves it with you.

Factors accept only undisputed invoices for completed deliveries (Verität), usually not to private customers, and set a limit per customer. Factoring is a working-capital tool for growing firms with long payment terms, not a rescue for a firm whose customers do not pay.

Worked example

Hypothetical example: a packaging wholesaler invoices €50,000 gross per month to business customers who pay after 45 days on average. Offer: non-recourse factoring, 90 percent advance, 1.5 percent fee on gross volume, 7 percent interest per year on the advance. Set-up fees, VAT handling and taxes are excluded; 360-day year.

Cost per month

Advance: 90 % × €50,000 = €45,000.

Factoring fee: 1.5 % × €50,000 = €750.

Interest: €45,000 × 7 % × 45 ÷ 360 = €393.75.

Total: €1,143.75 per month = 2.29 percent of volume. Over the 45 days the money arrives early, that is 2.29 % × 360 ÷ 45 = about 18.3 percent per year on volume, or about 20.3 percent on the €45,000 actually advanced.

What the wholesaler gets back

With the cash it pays its own suppliers within the Skonto period: on €25,000 of monthly purchases a 2 percent Skonto saves €500. The factor also takes over dunning and credit risk, replacing a trade credit insurance and office time; assume €200 per month. Net cost: €1,143.75 − €500 − €200 = €443.75 per month for €45,000 of permanent liquidity with no exposure to customer bankruptcies. An 11 percent overdraft on €45,000 would cost about €412 per month, but needs a credit limit the firm may not get and leaves the credit risk with the firm.

The Skonto decision alone

A €10,000 invoice at 2 % / 10 / 30: paying on day 10 saves €200; financing €9,800 for 20 days at 11 percent costs €9,800 × 11 % × 20 ÷ 360 = €59.89. Net gain about €140.

Common mistake

Reading the factoring fee as the whole cost"Only 1.5 percent" sounds cheaper than any loan, but it is charged per invoice, not per year, and interest on the advance comes on top. Annualised, the example costs roughly 18 to 20 percent before savings. Factoring can still be worth it, but only after netting the Skonto gains and saved insurance and administration against that figure.

Practice activity

On paper: (a) A supplier offers 1 % Skonto within 10 days, net 45. Calculate the annualised cost of paying on day 45 and decide whether to use a 12 percent overdraft to take the discount. (b) A design studio with €80,000 monthly gross invoices and 60-day terms is offered factoring: 85 percent advance, 1.2 percent fee, 6 percent interest per year. Calculate the monthly cost and the annualised cost on the advance.

Show solution

(a) 0.01 ÷ 0.99 × 360 ÷ 35 = 0.0101 × 10.29 = about 10.4 percent per year, below the 12 percent overdraft, so borrowing to take the discount loses money; pay on day 45 unless free cash exists.

(b) Advance 85 % × €80,000 = €68,000. Fee 1.2 % × €80,000 = €960. Interest €68,000 × 6 % × 60 ÷ 360 = €680. Total €1,640 per month = 2.05 percent of volume. Annualised on the advance: €1,640 ÷ €68,000 × 360 ÷ 60 = about 14.5 percent per year.

Limitations: real contracts add set-up fees, charge interest on actual days and price the fee by customer quality; a 365-day year changes results slightly.

Key takeaways

  • Supplier credit costs the Skonto you forgo: d ÷ (1 − d) × 360 ÷ (N − D), about 37 percent per year for 2 % / 10 / 30, so take the discount whenever cheaper money exists.
  • Factoring costs a per-invoice fee plus interest on the advance; convert both to an annual rate before comparing with a loan.
  • Non-recourse factoring removes the credit risk and the receivable from your balance sheet; recourse factoring is a loan in disguise.

Next step

The next lesson moves from debt to equity: what business angels, venture capital and crowdinvesting mean for a founder's ownership and control.

Self-check

Answer the questions, then check your answers. You can retry as often as you like.

1. An invoice offers 2 % Skonto within 14 days, net 44 days. What is the approximate annualised cost of paying on day 44 (360-day year)?

2. A factor advances 90 percent of a €20,000 invoice under a non-recourse contract. The customer later becomes insolvent and pays nothing. What happens?

3. Why is a factoring fee of 1.5 percent not comparable with a loan rate of 1.5 percent?

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