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What Is Mezzanine Debt? Definition
Mezzanine debt is a form of subordinated private debt subscribed through a specialized fund. Its name comes from the Italian "mezzo," meaning "in the middle": it occupies an intermediate position in the repayment hierarchy. It is not a standalone financing but a tranche that is inserted between senior debt and equity.
Mezzanine Debt or Junior Debt: Subordinated Debt
Subordinated to senior debt, mezzanine debt cannot be repaid until the latter has been paid in full — hence its designation as junior debt. In exchange for this lower ranking, it benefits from priority over equity (share capital, shareholder current accounts, convertible bonds) and offers a significantly higher return than senior debt. Investors in mezzanine debt are sometimes referred to as "mezzanine lenders."
An Intermediate Position Between Senior Debt and Equity
Mezzanine bridges the gap between senior debt — limited by the coverage ratios lenders are willing to accept — and the acquirer's equity. It thus allows a transaction to be financed with less equity and increases financial leverage. Hybrid by nature, it borrows both from the logic of debt (contractual interest) and from that of equity (potential access to capital gains).
- Mezzanine debt = junior debt, subordinated to senior debt but ranking ahead of equity.
- Positioned "in the middle" of the capital structure: riskier than senior debt, therefore better compensated.
- Most often repaid on a bullet basis, over a long maturity (≈7 to 10 years).
How Does Mezzanine Financing Work?
Bullet Repayment and Long Maturity
Mezzanine debt is generally repaid on a bullet basis: the principal is repaid in a single payment at maturity, once senior debt has been settled. Its maturity is structurally longer than that of senior debt, most often ranging between 7 and 10 years. This structure eases the pressure on the company's cash flow during the senior debt repayment period, giving it time to grow.
A Hybrid Return: Interest and Equity Kicker
The mezzanine lender's return typically consists of three components: cash interest paid periodically, capitalized interest (PIK) due at maturity, and an equity component — the equity kicker — most often materialized through warrants. At maturity, two scenarios can unfold: the company repays the loan, or the mezzanine lender converts all or part of its claim into shares, according to the terms set at closing. It is this equity component that fundamentally distinguishes mezzanine from conventional debt.
The Yield on Mezzanine Debt
In exchange for its subordinated ranking, mezzanine debt offers a significantly higher yield than senior debt — indicatively in the range of 8% to 15% depending on the transaction, equity kicker included. As a benchmark, where senior debt may be priced around Euribor + 550 basis points, mezzanine typically targets Euribor + 600 to 800 basis points, supplemented by warrants. Past performance is not indicative of future performance.
Mezzanine Debt, Senior Debt and Unitranche: What Are the Differences?
Mezzanine is best understood by situating it among the layers of private debt: priority for senior, subordination for mezzanine, a hybrid single tranche for unitranche.
| Criterion | Senior Debt | Mezzanine Debt | Unitranche Debt |
|---|---|---|---|
| Ranking | Priority | Subordinated | Mixed (senior + mezz.) |
| Return | Interest | Interest + equity kicker | Single blended rate |
| Indicative rate | 5–7% | 8–15% | ≈6–13% |
| Repayment | Amortizing / scheduled | Bullet | Bullet |
| Maturity | Shorter | Long (7–10 years) | Depends on structure |
Why Use Mezzanine Debt?
In an LBO Structure: Increasing Leverage
Mezzanine debt is a key instrument in LBO (Leveraged Buy-Out) transactions. By inserting a mezzanine tranche between senior debt and equity, deal sponsors increase financial leverage and improve shareholder returns on their equity, without committing additional capital. It allows transactions to be closed that would not have been financeable with senior debt alone.
To Finance Growth Without Diluting Capital
Outside of LBOs, mezzanine is used to finance fast-growing companies. Rather than carrying out a dilutive capital increase, the company raises mezzanine debt to finance its development or an acquisition, while preserving shareholders' capital and postponing any future equity financing. Its contractual flexibility and the mezzanine lender's limited oversight of management make it a solution favored by executives.
Advantages and Points of Caution of Mezzanine Debt
For the Borrowing Company
Mezzanine preserves capital (no immediate dilution), eases cash flow through bullet repayment, and offers a long maturity along with great structuring flexibility. It partially substitutes for equity and can improve the company's apparent solvency. In exchange, its cost is higher than that of conventional bank credit.
For the Investor
For the investor in a private debt fund, mezzanine sits within the higher-yielding buckets of an allocation: higher returns than senior debt, potential access to capital gains through the equity kicker, and diversification of return sources. Visibility on the maturity date, fixed at closing, is an advantage for managing the investment horizon.
Risks to Be Aware Of
The subordinated ranking implies a significantly higher risk of capital loss than for senior debt: in the event of default, the mezzanine lender is only repaid after senior creditors. For shareholders, a "scissor effect" is possible at maturity if expected results fail to materialize. In addition, as with any private debt, liquidity is limited. Thorough due diligence on the company and its sector therefore remains critical.
How to Invest in Mezzanine Debt?
Through a Specialized Private Debt Fund
Mezzanine debt is accessed through specialized private debt funds, which select, structure and monitor a portfolio of subordinated financings. The quality of the manager — credit analysis capability, warrant structuring, portfolio monitoring — is paramount here. This asset class is reserved for professional or qualified investors, through their advisors.
The Private Corner Approach
Private Corner, a French digital asset management company regulated by the AMF (No. GP-20000038), gives wealth management professionals and their clients access to a selection of institutional private debt funds, including strategies that may use subordinated instruments such as mezzanine, through a 100% digital platform. Its Private Credit Yield fund is exposed to the strategies of General Atlantic and CVC Credit. Access is open from €100,000, for professional or qualified investors.
Conclusion
Mezzanine debt occupies a distinctive place in a company's financing structure: halfway between senior debt and equity, it combines the income of debt with the capital gain potential of equity through the equity kicker. A leverage tool in LBOs and a non-dilutive financing solution for growth companies, it offers investors a high return in exchange for a subordinated ranking and higher risk. As with any private debt instrument, it is the rigorous selection of the manager — through an AMF-regulated asset management company — that makes the difference.
👉 To learn more: Private Debt: Definition, Yield and Strategies
FAQ – Mezzanine Debt
What is mezzanine debt?
Mezzanine debt, or junior debt, is subordinated debt that sits between senior debt and equity. Riskier than senior debt, it is better compensated and combines interest with an equity component (equity kicker).
What is the difference between senior debt and mezzanine debt?
Senior debt is repaid first and offers lower returns; mezzanine debt is subordinated to it (repaid afterwards), making it riskier and better paid, with the added potential upside of equity access through warrants.
What is the yield on mezzanine debt?
Higher than senior debt, the yield on mezzanine debt indicatively ranges between 8% and 15% depending on the deal, equity kicker included, in exchange for its subordinated ranking.
Why is mezzanine debt used in an LBO?
By sitting between senior debt and equity, it increases financial leverage and improves shareholder returns, while enabling deals that could not have been financed by senior debt alone.
How can I invest in mezzanine debt?
Through a specialized private debt fund, accessible to professional or qualified investors. Private Corner provides access to institutional private debt funds from €100,000, through wealth management advisors.
