Personal guarantees and debentures in invoice finance

When a director signs up for an invoice finance facility, the paperwork usually includes a debenture, an assignment of the sales ledger and a personal guarantee. Seen all at once, that can feel like a lot of security for what is meant to be a flexible way to release cash from unpaid invoices. The good news is that invoice finance is structured differently from ordinary unsecured lending, and the guarantee a director gives is frequently far narrower than the one attached to a term loan or a Merchant Cash Advance.

This guide walks through the security a lender takes on an invoice finance facility, where the personal guarantee fits, and the practical steps a UK company director can take to keep personal exposure under control.

The ledger is the primary security

The reason invoice finance works at all is that the lender is advancing money against an asset you already own, namely the money your customers owe you. That book debt is the primary security for the facility. If a customer pays, the debt is settled and the advance is cleared in the ordinary course of trading. Nobody needs to call on a guarantee, sell a building or chase a director. This is a very different starting point from a loan where the lender simply hands over a lump sum and hopes the business performs.

Because the receivables carry most of the risk, the personal element of the deal tends to be lighter. The lender is not relying on you personally to repay. It is relying on your customers to pay their bills.

The all monies debenture and the charge over book debts

A debenture is the document that gives the lender its security over the company. In invoice finance it usually takes an all monies form, meaning it secures whatever the company owes the lender from time to time, rather than one fixed amount. Inside the debenture you will typically find:

• A fixed charge over the book debts and their proceeds, so the invoices funded by the facility are ring fenced for the lender.
• A floating charge over the rest of the company assets, such as stock, plant and the general bank balance, which crystallises if the company defaults or stops trading.
• Undertakings about how the ledger is run, including keeping proper records and not granting competing security over the same debts.

The debenture is registered at Companies House, so it becomes a matter of public record. That is normal and expected, and it is how the lender establishes its priority against other creditors.

Assignment of receivables

Alongside the debenture, most facilities include an assignment of the receivables. In a factoring arrangement this is often a legal assignment, where ownership of the debt actually transfers to the lender, which is why the lender can collect from your customers directly. In confidential invoice discounting the assignment is usually equitable, so your customers never know the facility exists and you keep control of collections.

Either way, the assignment matters because it means the debts themselves sit with the lender as security. This is the mechanism that makes the ledger the primary security rather than an afterthought.

Where the personal guarantee fits

Given how much protection the debenture and the assignment already provide, the personal guarantee on an invoice finance facility is often limited rather than a full guarantee of the whole outstanding balance. Many lenders use what is commonly called a fraud and warranty guarantee. Under it the director is not underwriting the customers ability to pay. The director is personally standing behind a set of promises about the invoices being put into the facility, typically that they are:

• Genuine, for goods or services actually supplied.
• Undisputed, with no dispute, contra account or set off attached.
• Not double funded, meaning the same invoice has not been sold or pledged to another lender.
• Owed by a real, unconnected customer rather than an associated company invented to draw down cash.

In practice this means an honest director running a clean ledger carries very little personal risk. The guarantee bites where invoices are fake, inflated, raised before the work is done, or already funded elsewhere. Some lenders, particularly where the business is newer or the sector is higher risk, will still ask for a capped or even a full personal guarantee on top. That is a commercial decision and it is worth understanding exactly which type you are being asked to give.

A fraud and warranty guarantee asks you to stand behind the honesty of your invoices, not the solvency of your customers. That is a fair line for a director who runs a clean ledger, and it is the single biggest reason invoice finance security feels lighter than a term loan.

Recourse liability is not the same as the guarantee

Directors often confuse two separate things. Recourse is a facility level mechanism. If a funded invoice is not paid within a set period, commonly 90 to 120 days after the due date, the lender recourses the debt, which simply means it takes that advance back from your available funding. Recourse is a normal cash flow event that sits inside the business. It is not a claim against you personally.

Personal guarantee liability is different. It only arises when the company cannot meet its obligations and the lender turns to the individual who gave the guarantee. With a fraud and warranty guarantee, that only happens where a warranty has been breached. Keeping these two ideas apart makes the whole structure much easier to read.

Caps, indemnities and cross guarantees

A capped personal guarantee limits the director exposure to a fixed figure, for example the first £50,000 of any shortfall, rather than the entire debt. Always check whether the cap includes or excludes interest, collection costs and legal fees, because an indemnity clause can add those on top of the headline number.

An indemnity is worth reading carefully in its own right. A guarantee is a secondary promise to answer for the company debt, whereas an indemnity is a primary promise to cover a loss directly, and it can survive situations where a plain guarantee might not.

If your business is part of a group, watch for cross guarantees. These make each company in the group liable for the others, and they can pull an otherwise healthy trading company into the problems of a struggling sister company. If only one entity uses the facility, push for the security to stay with that entity where the lender will allow it.

Worked example: a £150,000 facility that goes wrong

Imagine a company with a £150,000 invoice finance facility that is fully drawn when it fails, leaving £150,000 owed to the lender after the available book debts are collected in.

1. Under a full personal guarantee, the director is potentially liable for the whole £150,000 shortfall, plus interest and enforcement costs if the indemnity allows it. Say costs add £12,000, taking personal exposure to around £162,000.
2. Under a capped guarantee set at £40,000, the director exposure is limited to £40,000, again subject to how the cap treats costs.
3. Under a fraud and warranty guarantee, if every funded invoice was genuine, undisputed and not double funded, the director personal liability is effectively nil. The lender bears the trading loss. If, however, £30,000 of that ledger turns out to be invoices raised for work never carried out, the director can be pursued for that £30,000 because a warranty was breached.

The same failed facility produces three very different outcomes for the individual, driven entirely by which type of guarantee was signed. That is why the wording, not just the fact that a guarantee exists, is what matters.

Practical steps to limit your exposure

• Ask for the guarantee to be capped, and confirm in writing whether the cap includes interest and costs.
• Keep a clean, verified ledger. Raise invoices only after the work is delivered, resolve disputes quickly and never fund the same invoice twice. This is the single best protection under a fraud and warranty guarantee.
• Consider personal guarantee insurance, which can cover a proportion of your exposure for an annual premium.
• Take your own legal advice before signing, and resist cross guarantees that pull in companies not using the facility.
• Compare offers. The security demanded for the same turnover can vary widely from one specialist lender to another.

Invoice finance security is often more reasonable than the paperwork first suggests, but the detail genuinely matters, and the difference between a full guarantee and a fraud and warranty guarantee can be tens of thousands of pounds. As a commercial finance broker, not regulated by the FCA, which is correct for business to business finance, we work across the specialist invoice finance lenders and can help you read the guarantee and debenture in front of you and line up the facility whose security terms suit your business. If you want a straight view on what you are being asked to sign, speak to our invoice finance team before you commit.