By Ben Macnaghten | Dunderave Valuations | London

Introduction

In my experience in business valuations, one of the most frequently misunderstood steps is the bridge from Enterprise Value to Equity Value. While Enterprise Value captures the total operating value of a business on a debt-free, cash-free basis, Equity Value represents the value attributable to shareholders. 

The adjustments made in this bridge are not merely mechanical; they reflect substantive economic judgments about a company's balance sheet, are subjective and need to be fully understood to enable appropriate valuation conclusions.

This article provides a comprehensive guide to these adjustments, the commercial logic behind them, and addresses the question I see raised most often in this area: whether all cash or just surplus cash, should be added back in the bridge.

1. What Is the Enterprise Value Equity Value Bridge?

The Enterprise Value Equity Value bridge is the set of adjustments applied to Enterprise Value to arrive at Equity Value. In its simplest form, the relationship is expressed as:

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In a commercial transaction, the bridge is typically negotiated between the buyer and seller as part of what is known as a locked box or completion accounts mechanism, and the definitions of each item, particularly cash and debt, will be set out in the Sale and Purchase Agreement. 

Accordingly, valuers working in hypothetical scenarios assuming a willing buyer and seller must attempt to recreate that process, thus each component of the bridge requires detailed analysis and consideration.

The table below illustrates a simplified equity value bridge:

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2. Enterprise Value: The Starting Point

Enterprise Value is what is typically determined using a market (e.g. EBITDA multiples) or income (e.g. DCF using unlevered free cash flows to the firm) based valuation approach. It is an unlevered, cash-free / debt-free value, meaning it assumes the business has no debt and no cash on its balance sheet. This is an important conceptual foundation: Enterprise Value reflects the value of the operating assets of the business in isolation from its financing structure.

The bridge then re-introduces the actual financing position, adjusting the headline Enterprise Value up for cash (which the acquirer receives) and downward for debt (which the acquirer must repay or assume). This is the essence of what the bridge is doing: converting a notional debt-free/cash-free value into the real price the buyer pays for the shares.

3. The Cash Question: Surplus Cash vs. All Cash

This is perhaps the most commercially important and technically nuanced question in the bridge. The debate centres on a deceptively simple question: should the buyer give the seller credit for all of the cash sitting in the business, or only the cash that is surplus to the operational needs of the business?

The Case for Adding Back All Cash

The theoretical purity of the Enterprise Value Equity Value bridge framework supports adding back all cash. If Enterprise Value is truly cash-free, then any cash on the balance sheet at completion is incremental, the seller has left additional value in the business that was not reflected in the Enterprise Value and should be compensated for it. Under this view, the bridge is a clean accounting exercise, and the full cash balance is a straightforward add-back.

The Case for Adding Back Only Surplus Cash

In practice however there are few examples where buyers could immediately pay themselves all the cash in a business they have just bought without jeopardising its ability to continue trading: some is required to run the business operations and would be required post-completion. Cash that is structurally embedded in working capital, reserved for regulatory purposes, or necessary to fund payroll and supplier payments in the ordinary course is not surplus, it is an operational necessity.
 

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​How to Think About This in Practice

The right answer depends on how Enterprise Value was determined in the first place. There are two key questions to ask:

•    Was the business valued on a cash-free, debt-free basis? If the Enterprise Value was struck assuming zero cash, then any cash present at completion is an add-back, but the question is still whether all cash, or just surplus cash.
•    Is there cash trapped in working capital? If the business holds large amounts of cash in its operating cycle, for example, a business with significant advance payments from customers or large float balances, then that cash may already be embedded in the working capital adjustment and should not be double counted in the cash line.
•    Is there restricted or ring-fenced cash? Cash held as security deposits, in escrow, or subject to regulatory minimum requirements should generally not be included as an add-back, as it is not freely available to the buyer.
•    What does the SPA definition say? In a negotiated transaction, the definitions of 'cash', 'debt', and 'surplus cash' in the SPA will be determinative. Practitioners should ensure the definitions are internally consistent and aligned with how the Enterprise Value was calculated.

Market practice

Whilst the questions raised above are open, in most transactions the market convention is to add back surplus cash only, with the minimum cash level agreed as part of the locked box or completion accounts mechanism. This avoids the acquirer effectively paying for cash that is not genuinely available to them post-close.

4. Financial Debt

Financial debt is the most straightforward component of the bridge and is deducted from Enterprise Value to reflect the buyer's obligation to repay or assume the company's borrowings. The definition of financial debt in the SPA is, however, critical, and should not be assumed to mirror the accounting definition.

Items typically included in financial debt for bridge purposes include:

•    Bank borrowings (revolving credit facilities, term loans, overdrafts)
•    Shareholder loans and related-party debt
•    Finance lease liabilities (including IFRS 16 right-of-use lease liabilities, which require specific attention post the adoption of IFRS 16)
•    Bonds, notes, and other capital market instruments
•    Accrued but unpaid interest on any of the above

The treatment of IFRS 16 lease liabilities deserves particular attention. Under IFRS 16, operating leases are now capitalised on the balance sheet as right-of-use assets and corresponding lease liabilities. Whether these are treated as debt in the bridge is a negotiation point, in practice, buyers often treat them as debt (deduction), which can have a material impact in the Enterprise Value to Equity Value bridge for businesses with significant property or equipment lease portfolios.

5. Debt-Like Items

Beyond financial debt, the bridge will typically include a range of 'debt-like items', balance sheet liabilities that are economically equivalent to debt, even if they do not appear in the financing section of the balance sheet. These are deducted from Enterprise Value in the same way as financial debt.

Common debt-like items include:

•    Pension deficits: Defined benefit pension obligations are a quasi-debt item and are almost always treated as a full deduction. The valuation of the deficit, whether on an accounting or actuarial basis is frequently a key negotiation point.
•    Deferred and contingent tax liabilities: Tax liabilities arising from prior transactions, accelerated tax deductions, or uncertain tax positions may be treated as debt-like items, particularly where they represent crystallised or near-crystallised obligations.
•    Unfunded employee liabilities: Holiday pay accruals, restructuring provisions, and other accrued employee-related costs that will crystallise at or shortly after completion.
•    Transaction-related bonuses and management incentives: Management incentive payments triggered by the transaction (e.g., MIP payments, phantom equity) should be deducted as debt-like items.
•    Warranty and litigation provisions: Material provisions for known contingencies may be treated as debt-like, subject to negotiation.
•    Directors loan accounts: Non-trading directors loan accounts are not part of working capital and so are treated as debt-like.

6. Working Capital Adjustment

The working capital adjustment is distinct from cash and debt adjustments but is an integral part of the bridge in most transactions. It adjusts for the difference between the actual level of working capital at completion and a normalised or target level agreed between the parties.

The rationale is straightforward: if the seller delivers the business with working capital above the agreed target (for example, because they have been building receivables or running down payables ahead of closing), the buyer receives incremental value and should pay more. Conversely, if working capital is below target, the price is adjusted downward.

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7. Non-Trading Assets and Other Adjustments

Depending on the nature of the business, a number of other items may be included in the bridge:

•    Non-cash nor working capital surplus assets: Assets which are not used in the trade of the business, but which are owned by it, examples of which may include land, property or chattels are added back at their market value.
•    Inter-company balances: Where the target has inter-company receivables or payables with entities not being acquired, these must be addressed in the bridge, typically as surplus assets (like cash) or liabilities (like debt).
•    Capital expenditure obligations: If the business has committed to, but not yet paid for, significant capex, this may be treated as a debt-like deduction.
•    Earn-out and deferred consideration: Where the seller is retaining some economic exposure through an earn-out, the structure and risk-sharing of that arrangement may affect the bridge mechanics.

8. Locked Box vs. Completion Accounts

The mechanism by which the bridge is settled will depend on whether the transaction uses a locked box or completion accounts structure.

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Under a locked box mechanism, the Enterprise Value Equity Value bridge is fixed at a historical balance sheet date (the 'locked box date'), and the buyer accepts the risk of changes in value between that date and completion, subject to protections against 'leakage' (unauthorised value extraction). This provides price certainty for both parties.

Under a completion accounts mechanism, the bridge adjustments are calculated by reference to a balance sheet prepared as at the actual completion date. This introduces post-completion risk and is a more common source of dispute, but it ensures that the bridge reflects the actual financial position of the business at the point of transfer.

Conclusion

The Enterprise Value Equity Value bridge is not a mechanical accounting step; certain adjustments are highly subjective, can have a material impact on deal prices/Equity Values and so in commercial transactions are frequently the subject of dispute and substantive negotiation. 

Perhaps the most subjective adjustment is cash, and whether to add back all cash or only surplus cash. The answer should be driven by how the Enterprise Value was struck, the operational cash requirements of the business, and if in a commercial transaction context, the specific definitions agreed in the SPA. Nonetheless, in the vast majority of actual transactions, only surplus cash is credited, a position that reflects the economic reality that not all cash on a balance sheet is genuinely available to a buyer post-completion.

Thus, valuers must pay great care to this area and attempt as best possible to recreate the result that may be achieved in a commercial transaction, requiring detailed analysis and justification for each adjustment.