6 best ways to manage debtor and creditor days in 2026

In the UK, 37% of small businesses have run into cash flow difficulties due to late payments, with the average business left chasing £21,000 in unpaid invoices. This isn't just an admin headache; it’s a threat to businesses survival, contributing to the closure of 38 UK businesses every single day. This tension is measured by two numbers: debtor days (how long customers take to pay you) and creditor Days (how long you take to pay suppliers). This guide explains how to balance these two metrics to bridge the "cash gap" and keep your business resilient.

6 min read time

Hacina Smaini

6 ways to reduce your debtor days and manage your creditors

Metric

Simple Definition

The Goal

Why it matters

Debtor Days

How long customers take to pay you

Reduce

Releases cash to your bank account

Creditor Days

How long you take to pay suppliers

Balance

Keeps cash in your business longer

1. Negotiate better terms with your suppliers (creditors)

Every supplier who allows you to pay after delivery is a "trade creditor." The terms you agree with them directly affect your cash flow. Negotiating a move from 30 days to 45 or 60 days gives you breathing room to collect money from your own customers first.

  • The Reality: Your ability to negotiate depends on your reputation. In 2026, suppliers use your business credit score to decide if they can trust you with longer terms.

  • Pro Tip: A strong credit profile makes this conversation much easier.

2. Set clear payment terms (debtors)

High debtor days are often caused by "the vague factor." If a customer doesn't know exactly when or how to pay, they will wait until you chase them.

  • The Reality: In 2026, customers expect everything to be digital. If your invoice doesn't have a clear "Pay Now" button or direct bank details, it’s going to the bottom of their pile.

  • Pro Tip: Mention your late payment policy (including statutory interest) on the very first quote, not just the final invoice. It sets the tone that you are a professional business that expects to be paid on time.

3. Credit check customers before you start work

The payment habits that worked when you were a startup might not fit your business in 2026. As you grow, you should align your terms with the risk of the customer.

  • The Reality: Large clients often try to push small suppliers into 90-day terms. You need to decide if that cash flow strain is worth the work.

  • Pro Tip: Use your Capitalise account to credit check a new customer before agreeing to long terms. If their score is declining, it’s an early warning sign that they may be struggling, you might therefore consider asking for an deposit upfront to protect your working capital.

4. Offer early payment incentives to boost liquidity

Sometimes, a small reward for a customer is the most effective way to move your invoice to the top of their "to-pay" list. By offering a small discount for settling an invoice early, you aren't just getting paid faster; you’re providing a tangible benefit to your customer’s own bottom line. While a 2% discount does slightly reduce your profit margin, it’s often a smart trade-off. Having that cash in your bank account 20 days early gives you the liquidity to pay your own suppliers or invest in new stock without needing to rely on a bank or an expensive overdraft.

  • Pro tip: try a "2/10, Net 30" approach. This simply means you offer a 2% discount if they pay within 10 days; otherwise, the full amount is due in the usual 30. It’s a profes

5. Switch to digital payments and automation

Late payments are sometimes caused by simple human error, invoices getting "missed" in an inbox or forgotten. Digital solutions help remove the friction. In 2026, customers expect the convenience of paying online. Adding a "Pay Now" button to a digital invoice can turn a "pending" payment into an instant one.

  • Pro Tip: for recurring work, offer customers Direct Debit. Once it's set up, payments are collected automatically. Unlike credit cards, bank accounts don't "expire," meaning fewer failed payments and zero chasing.

6. Use invoice finance to bridge the gap

If your debtor days stay high because of the industry you’re in (like construction or manufacturing), you can use funding to "buy" your way out of the wait.

  • The reality: with invoice finance, you could unlock up to 90% of the value of an unpaid invoice the moment you send it. You get the cash now, and the lender waits for the customer to pay.

  • Pro tip: Think of invoice finance as a tool for growth. If you have £50,000 stuck in invoices and have a customer is coming with a new project to start new, using invoice finance can be the one tool that helps you say "yes" to the new work immediately.

How payment timing affects your business credit score

When you apply for a business loan, lenders look closely at how consistently you pay suppliers and how quickly you collect from customers. If your creditor days are too long because you’re paying people late, your business credit score will drop. This signals to lenders that you are financially disciplined (or under pressure), which can lead to higher interest rates or rejected applications.

How Capitalise helps you manage the gap

We provide the tools to help you take control of your cash flow cycle:

  • Credit check customers: before you offer 30-day terms, see if that customer is a high-risk payer.

  • Invoice finance: compare options from UK lenders to turn your unpaid invoices into immediate working capital.

  • Monitor your own score: see how your payment habits are influencing your ability to get better deals from your own suppliers.

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Hacina Smaini

Hacina is the Head of the marketing department, she looks after direct acquisition of businesses as well as customer retention, re-engagement and providing marketing support for the accountants.

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