2 min read
The working capital motive
Days Payable Outstanding (DPO) — the average time your company takes to pay suppliers — directly affects how much cash you need to hold. Lengthening DPO from 30 to 60 days on a £500,000 annual supplier spend frees roughly £40,000 of cash. Multiplied across all major suppliers, the aggregate can be material.
This is not about delaying payment unfairly. It is about aligning payment timing with your own cash conversion cycle — ideally receiving customer payments before supplier invoices fall due. Where possible, try to match DPO to your Days Sales Outstanding (DSO) plus a margin.
How to open the negotiation
The strongest position for negotiating extended terms is a track record of paying on time. If you have been a reliable customer for 12 months or more, you have a reasonable basis to request a review of terms. Frame the conversation as part of a broader commercial review, not as a cash flow crisis signal.
- Request a meeting with the supplier's commercial or finance contact, not just a sales rep
- Come with a concrete proposal: 'We would like to move from net 30 to net 60 on all orders above £X'
- Offer something in return: volume commitment, reduced return rates, consolidated orders
- Be explicit that you are not experiencing financial difficulty — this removes an obvious objection
Early payment discounts versus extended terms
Some suppliers prefer to offer a dynamic discount rather than a blanket term extension: for example, 2% if you pay within 10 days of invoice. Whether this is worthwhile depends on your cost of capital. A 2% discount for paying 20 days early equates to an annualised rate of roughly 36% — far higher than most borrowing costs, making early settlement financially unattractive for most businesses.
Conversely, if you have surplus cash and the supplier is a critical partner, accepting their discount offer may strengthen the relationship at a modest cost. Run the numbers both ways before agreeing.
Supply chain finance as an alternative
Supply chain finance (also called reverse factoring) is a programme where a finance provider pays your supplier early — at a small discount — while you pay the finance provider on your extended terms. The supplier gets liquidity; you get a longer payment window. Several banks and specialist platforms offer these programmes to qualifying businesses.
These arrangements can be attractive where a direct term extension would strain a smaller supplier. They carry their own costs and disclosure requirements, so review the commercial terms carefully and confirm treatment with your accountant.
Frequently asked questions
Can a supplier sue us for extending terms unilaterally?
Yes. If your contract specifies net 30 and you pay at 60 days, the supplier can claim statutory interest on the overdue balance under the Late Payment of Commercial Debts Act. Always agree a change in writing before acting on different terms.
Is there a maximum term we can agree with a supplier?
For private B2B transactions there is no statutory maximum, though grossly unfair terms can be challenged under the 1998 Act. For public sector buyers, the Public Contracts Regulations 2015 cap payment terms at 30 days to public authorities and require pass-through of prompt payment to sub-contractors.
Funding for UK limited companies
Credicorp lends to your company, not to you personally — short-term working capital with no personal guarantee. See what your business could access.