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Sector

Defence supply chain SMEs

Most of the money the Ministry of Defence spends with SMEs never comes from the MOD directly. Three quarters of it travels through the supply chain, so a typical defence SME is paid by a prime contractor, or a tier below one, on that company's terms. The MOD's fast payment figure describes a different invoice to the one most suppliers are waiting on.

Tell us what's happening How money moves in this sector

How money moves

Two routes for the money, and most of it takes the slower one

An SME can be paid for defence work by the MOD itself, or by a prime contractor that holds the MOD contract. The MOD's own figures put three quarters of SME spend on the second route, where the payment terms are whatever the sub-contract says, within what the law allows.

Direct to the MOD25% of SME spend

  1. Contract awarded by the MOD
  2. Invoice submitted
  3. MOD aims to pay 90% of non-disputed SME invoices within five working days

Through the supply chain75% of SME spend

  1. Order from a prime or the tier above
  2. Invoice raised when the sub-contract allows it
  3. Paid on the sub-contract's terms, with 30 days implied where it is a public sub-contract

Before any invoiceCosts

  1. Supplier approval and onboarding
  2. Materials and tooling
  3. Skilled staff on the work

The headline five-day figure belongs to the first lane. Most SME defence income travels the second, and the costs in the third come before either.

The MOD has committed to spend an additional £2.5bn with SMEs by summer 2028, a 50% increase, according to its SME Action Plan. More work reaching SMEs means more of them carrying this shape of gap for the first time.

Where the sector gets misread

What a generalist lender sees, and what's actually happening

What a generalist lender readsWhat is actually happening

Government work, so paid within days

The five-day aim covers invoices the MOD pays directly, and direct award is 25% of SME spend. The rest is paid by primes and the tiers above on their own contract terms.

The MOD as the credit risk

For a supply chain supplier the debtor is the prime or the tier above, so what matters is that company's payment behaviour and the sub-contract between them.

A contract win, so cash is on its way

Approval, mobilisation, materials and staff all come first, and where a sub-contract pays in stages nothing can be invoiced until a stage is reached and accepted.

The measure that matters

Who pays, and on what terms, not the MOD's five-day target

The useful picture is revenue split by payer: how much comes from the MOD directly, how much from each prime, and what each sub-contract says about when an invoice can be raised and when it's due. Two businesses with the same defence turnover can have completely different cash cycles depending on that split.

Where the sub-contract is a public sub-contract under section 73 of the Procurement Act 2023, a 30 day payment term is implied into it, and any term that tries to restrict or override that has no effect. The parties can still agree to pay sooner. It protects the term once an invoice is due. It doesn't make a staged sub-contract invoiceable any earlier.

Where finance fits

Usually a credit line before invoicing, invoice finance once stages are billed

Your situationUsually fitsNot this
Approval or mobilisation under way, nothing invoiceable yetA credit line sized for the waitInvoice finance, with nothing to advance against
Stage accepted and a genuine invoice raised against a primeInvoice finance against that debtorAssuming the MOD's five-day aim applies to it
Larger supplier carrying real stock and plant alongside receivablesAsset-based lendingInvoice finance alone, leaving the asset value unused
A facility can carry the wait for a prime to pay. It can't put a supply chain invoice on the MOD's payment timetable.

This is a narrow niche. Plenty of defence suppliers are paid on terms that behave perfectly normally, and if that's you there's likely nothing sector-specific worth financing differently.

Sources

Where these points come from

Talk it through

Need another perspective?

Describe where things stand in a sentence or two: who pays, how, and where the gap sits. We'll tell you whether it's something we can help with. There's no charge for this.

Your enquiry is read by a person at Established Finance, not a call centre or an automated queue. We use it only to work out what's likely to fit and reply to you. We don't share your details with anyone else unless we introduce you to a specialist partner, and only with your agreement at that point. Sending this doesn't appoint anyone or create a professional engagement, and there's no obligation at any stage. See our privacy policy.

What happens next

  1. A person on our team reads it against how businesses in this sector are actually paid.
  2. If we can help, we introduce you to a specialist partner we have vetted and tell you who they are.
  3. No charge and no obligation at any point. You decide whether to go further.
Adam Parker

Adam Parker

Founder of Muswell Rose Consulting Ltd, which trades as Established Finance · former Managing Director of Penny, an invoice finance business, with 15+ years across mortgages, commercial finance and fintech lending.

Last updated:

Practical questions

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What information do I need?

To start, just a description of what’s actually happening in the business. If it progresses, the specialist partner will ask for the usual things: recent accounts, a sense of turnover and trading history, and details of the specific need.