A second lien loan is a term loan secured by the same collateral as the senior loan but ranked behind it. If the collateral is sold, the senior lender is repaid in full before the second lien lender receives anything. Because it is secured, it usually costs less than mezzanine debt; because it is second, it costs more than senior debt. Its interest is usually paid in cash alongside the senior loan. It is used to borrow more than a senior lender will lend on its own, most often in acquisitions and recapitalizations, where earnings and collateral can carry more debt than one lender wants to hold.
- Security
- The same collateral as the senior loan, ranked second
- Priority
- Paid from collateral only after the senior loan is repaid in full
- Cost
- Above senior debt, usually below mezzanine
- Documented by
- Its own credit agreement plus an intercreditor agreement
- Typical use
- Filling the gap between senior leverage and the price
One set of collateral, two liens
A second lien lender takes a lien on the same assets as the senior lender, usually all of them, but agrees in an intercreditor agreement that its lien ranks second. While the business performs, both lenders are paid their interest and scheduled principal. The ranking matters only when collateral is sold or foreclosed: the senior lender is paid in full from the proceeds first, and the second lien lender takes what is left.
That is the difference from mezzanine debt, which is usually unsecured or only loosely secured and is subordinated in payment as well. A mezzanine lender's payments can be blocked when the senior loan is in trouble. A second lien lender's usually cannot, under a standard first lien and second lien structure, though some deals add payment blockage too. It is also different from a subordinated seller note, where the creditor is the former owner and is typically subordinated in both payment and lien.
Where it sits in the capital structure
| Layer | Security | Paid while performing? | Relative cost | Who provides it |
|---|---|---|---|---|
| Senior loan or line | First lien on all assets | Yes | Lowest | Banks, SBA lenders, senior private credit funds |
| Second lien term loan | Second lien on the same assets | Yes, usually cash interest | Higher than senior | Private credit funds, some specialty lenders |
| Mezzanine | Unsecured or junior; subordinated in payment | Yes, but blockable; often part PIK | Higher again, often with warrants | Mezzanine funds, SBICs |
| Seller note | Usually unsecured or junior | Depends on subordination terms | Negotiated with the seller | The seller |
| Equity | None | No fixed payments | Highest expected return | Buyer, sponsors, rollover sellers |
The pricing logic is recovery. A second lien lender's return depends on what the collateral would fetch after the senior loan is paid. When there is plenty of value behind the senior loan, second lien debt prices closer to senior. When the collateral is thin and the second lien lender is really lending on cash flow and enterprise value, it prices closer to mezzanine and may ask for call protection, a fee at closing or part of its interest paid in kind.
When a second lien fills the gap
Senior cash-flow lenders to lower-middle-market companies commonly lend 2x to 3.5x EBITDA. When the purchase price, less the buyer's equity, needs more debt than that, something has to fill the gap. A second lien is one candidate. In plain numbers, for a company with EBITDA of 1,000 bought for 6,000:
| Sources | Amount | Uses | Amount |
|---|---|---|---|
| Senior term loan | 3,000 | Purchase price | 6,000 |
| Second lien term loan | 1,000 | Fees and closing costs | 150 |
| Seller note, subordinated | 500 | Cash to the balance sheet | 100 |
| Buyer equity | 1,750 | ||
| Total | 6,250 | Total | 6,250 |
The test is whether the business can service the whole stack. The second lien lender, and the senior lender reviewing the structure, will look at total leverage as well as senior leverage, and at coverage with both loans' payments included. See how much debt a business can carry and building sources and uses for an acquisition.
A second lien makes sense when there is real collateral and cash flow beyond what the senior lender will lend on. Without that cushion, it is mezzanine risk under a secured-debt label.
The alternatives, and when they win
In the lower middle market, a separate second lien loan is less common than it is in larger deals. Two lenders mean two credit agreements, an intercreditor agreement and two sets of legal fees, and the borrower has two relationships to manage in a bad year. Often one of these does the job more simply:
- Unitranche. One lender, one loan, one document, priced between senior and second lien. See senior versus unitranche.
- A stretch senior loan from a lender willing to go further on one loan; see stretch senior versus senior plus mezzanine.
- A larger seller note, which is often cheaper than institutional junior debt and signals the seller's confidence.
- SBA 7(a) for deals within its limits. SBA 7(a) loans go up to $5 million, and the structure has its own rules on seller notes and equity; see SBA 7(a) versus a conventional acquisition loan.
A second lien tends to win when the senior lender wants to keep its own loan conservative, the business has hard assets or strong enterprise value behind that loan, and the buyer wants to avoid the equity dilution of warrants. It also appears in recapitalizations, where an owner takes cash out and the senior lender will not go the whole way. See recapitalizations for business owners.
What second lien lenders look for
A second lien lender underwrites the same business as the senior lender, with one more question: what is left for it if things go wrong. It will want:
- Enterprise value well above total debt, supported by a credible valuation and a quality of earnings review on an acquisition.
- Covenants set with cushion to the senior lender's, so the senior lender trips first and the second lien lender has warning; see covenant headroom.
- A cap on senior debt in the intercreditor agreement, so its position cannot be diluted.
- A clear repayment path: amortization from free cash flow, a planned refinancing, or a sale.
Of the 1,800+ lenders in Transparent's book, 1,148 write term and private credit, and only some of them write junior secured debt. When a deal needs a second lien, the lender package presents the senior and second lien requests together, with the collateral, the leverage at each layer and the coverage on the whole stack, so both lenders price the same structure. See the lender book and first lien versus second lien.
Common questions
- Is a second lien loan the same as mezzanine debt?
- No. A second lien loan is secured by the same collateral as the senior loan, ranked second, and usually pays cash interest that the senior lender cannot block. Mezzanine is usually unsecured or loosely secured, subordinated in payment, and often includes PIK interest or warrants. Second lien debt usually costs less.
- Does a second lien loan need the senior lender's consent?
- Yes. The senior loan agreement almost always prohibits other liens and debt without consent, and the two lenders sign an intercreditor agreement setting out priority and enforcement.
- Can a small business get a second lien loan?
- It is less common in the lower middle market than in larger deals, because the cost of two loans and an intercreditor agreement weighs more on a smaller financing. A unitranche loan, a larger seller note or SBA 7(a) financing often does the same job more simply.
- Can SBA 7(a) be used with a second lien loan?
- SBA loans come with their own rules on collateral, subordinate debt and seller notes, and most SBA acquisitions are structured without an institutional second lien. Where more debt is needed, a seller note is the usual junior piece.
- Why is second lien debt more expensive than senior debt?
- Because it is repaid from collateral only after the senior loan is repaid in full. If the collateral is worth less than both loans, the second lien lender takes the loss.