The senior leverage ratio is senior debt divided by EBITDA: the revolver, the senior term loan and anything else that is repaid first or shares first-priority collateral. Total leverage divides all funded debt by the same EBITDA, adding seller notes, mezzanine, second-lien loans and other junior debt. The senior lender caps its own ratio to protect its position, and usually caps total leverage or coverage too, because junior interest is paid from the same cash. The gap between what the senior lender will lend and what the whole structure can carry decides how much junior capital fits.
- Formula
- Senior debt ÷ covenant EBITDA
- Counts
- Revolver, senior term loan, usually equipment debt and finance leases
- Leaves out
- Subordinated seller notes, mezzanine, most second-lien debt, holding company notes
- Who sets it
- The senior lender, as a sizing limit and a covenant
- Read together with
- Total leverage and fixed charge coverage, which include the junior debt
Senior means first in line, in one of two ways
A debt is senior when it gets paid ahead of other debt. That can happen two ways, and credit agreements are careful to say which one they mean.
- Senior in payment. Under a subordination agreement, the junior creditor agrees not to be paid, or to stop being paid, until the senior debt is current or repaid. A subordinated seller note or a mezzanine loan is junior in payment.
- Senior in lien. The senior lender holds the first-priority security interest in the collateral. A second-lien loan shares the same collateral but is paid from it only after the first lien is satisfied. It may be equal in its right to scheduled payments, and junior only in what it recovers from the collateral.
Because of that distinction, agreements with second-lien debt usually test first-lien leverage rather than a looser "senior leverage", so the second-lien loan is kept out of the senior lender's number. Where the only junior debt is a seller note or mezzanine, the ratio is simply called senior leverage.
What the senior lender counts
The classification below is common in lower-middle-market deals. The definition of senior debt in your credit agreement governs, and lenders sometimes negotiate an item in or out.
| Debt | In senior leverage? | In total leverage? | Note |
|---|---|---|---|
| Revolver, amount drawn | Yes | Yes | Undrawn commitment is excluded |
| Senior term loan | Yes | Yes | The core of the ratio |
| Unitranche loan | Yes, all of it | Yes | One loan, one lien; any first-out/last-out split is between the lenders |
| Equipment loans and finance leases | Usually yes | Yes | Secured, even if on separate collateral |
| Second-lien term loan | Usually no; tested as first-lien leverage | Yes | Junior in lien only |
| Mezzanine loan | No | Yes | Subordinated in payment and usually unsecured or second-ranking |
| Subordinated seller note | No | Yes | Behind the bank under a subordination agreement |
| Holding company or PIK notes | No | Often yes | Structurally behind operating company debt |
A unitranche loan is worth singling out. It replaces a senior loan and a junior loan with one facility, so the whole balance is senior debt. That is why a unitranche structure shows a high senior leverage ratio and little or no gap to total leverage: there is no junior layer. The same money, split into a senior loan and a mezzanine loan, would show a lower senior ratio and the same total. See first-out, last-out unitranche for how lenders divide such a loan among themselves.
Why junior debt sits outside the senior test
From the senior lender's seat, subordinated debt behaves much like equity. If the business fails, the senior lender is repaid from the collateral before a seller note or mezzanine loan receives anything. If the business struggles, the subordination agreement usually lets the senior lender block payments on the junior debt. Every dollar of junior capital below it is a dollar of loss the senior lender does not bear first.
So the senior lender measures its own risk on senior debt alone. That is also why a senior lender can be comfortable with a structure whose total leverage it would never lend alone. It is not taking the total risk; the seller or mezzanine lender is taking the slice above it, for a higher return.
The senior ratio measures how exposed the senior lender is. The total ratio measures how much the business owes. The deal has to pass both.
Junior debt is not invisible, though. Its interest is paid from the same cash flow, and a junior creditor that is not being paid can cause trouble: a default under the junior note, a lawsuit, or a seller who stops cooperating with the business he or she sold. So the senior lender usually also caps total leverage, or sets a fixed charge coverage test that includes junior interest, and it negotiates the intercreditor or subordination terms line by line.
Reading the gap: how much junior capital a structure can carry
The two ratios together tell you the size of the junior layer. The senior lender's limit sets the senior amount; the total limit, whether set by the senior lender's own total covenant, by a mezzanine lender or by what coverage can bear, sets the ceiling for everything; the difference is the room for seller notes and mezzanine.
Take a buyer acquiring a manufacturer with covenant EBITDA of 5,000 for a price of 30,000, including fees. In this example the senior lender will lend up to 3.0 times senior leverage and will accept total leverage up to 4.0 times, provided fixed charge coverage holds with junior interest included.
| Source | Amount | Cumulative leverage |
|---|---|---|
| Senior term loan and revolver | 15,000 | 3.0 times (senior) |
| Subordinated seller note | 3,000 | 3.6 times |
| Mezzanine loan | 2,000 | 4.0 times (total) |
| Buyer's equity | 10,000 | Not debt |
| Total sources | 30,000 |
The senior lender caps the first 15,000. The total limit leaves 5,000 of room above it, filled here by a seller note and a mezzanine loan. The buyer's equity fills the rest. If the seller will not carry a note, the buyer must find 3,000 elsewhere: more mezzanine, which is expensive, or more equity. If the senior lender had been willing to go further, less junior capital would be needed, which is often the cheapest improvement available. See stretch senior vs senior plus mezzanine and mezzanine vs a seller note.
The gap also shows who absorbs a bad year. If EBITDA falls to 4,000, senior leverage rises to 3.75 times and total leverage to 5.0 times. The senior covenant may trip; the senior lender's position is still cushioned by 5,000 of junior debt and by equity. The seller and the mezzanine lender are the ones whose recovery is now in question.
How the two covenants are usually set
A senior credit agreement with junior debt beneath it commonly carries a maximum senior (or first-lien) leverage covenant, and often a maximum total leverage covenant set higher, with each one stepping down over time. The mezzanine or second-lien agreement carries its own total leverage covenant, set looser than the senior lender's so that the junior lender is not the first to call a default. That spacing is deliberate: the senior lender should be first to see trouble and first to negotiate.
For an owner, the practical points are these. Know which ratio binds first, by computing the headroom on each at the tightest step-down. Know whether a seller note payment is permitted when the senior covenant is close; subordination agreements often block junior payments when a senior default exists or would result. And read how the senior lender treats a paid-in-kind note: interest that accrues onto the balance raises total leverage every quarter even though no cash leaves the business. See PIK interest.
Senior leverage in SBA deals
SBA 7(a) loans are rarely tested on a leverage covenant. The lender sizes on debt service coverage, at least 1.15x, 1.0x globally including the owners, and from 1 October 2026 at least 1.25x on historical results for a change of ownership. A seller note in an SBA deal is either on full standby for the life of the SBA loan, in which case it can count for up to half of the required equity injection and has no payments to cover, or it is not on standby, in which case it is debt and counts in debt service. Either way, the question an SBA lender asks is coverage, not senior leverage. For the conventional side of the same question, see senior vs total leverage.
Common questions
- Does a seller note count in senior leverage?
- Not when it is subordinated to the senior lender, which is the usual case. It still counts in total leverage, because the business owes it.
- Is a unitranche loan senior debt?
- Yes. A unitranche loan is a single senior secured facility, so all of it counts in senior leverage, even if the lenders split it into first-out and last-out pieces among themselves.
- What is first-lien leverage?
- First-lien debt divided by EBITDA. Agreements use it when there is a second-lien loan, so that debt which is junior only in its claim on collateral stays out of the senior lender's ratio.
- Why would a senior lender care about total leverage?
- Junior debt is paid from the same cash flow, and an unpaid junior creditor can disrupt the business. So senior lenders usually cap total leverage or include junior interest in a fixed charge coverage test.
- Can senior leverage fall while total leverage rises?
- Yes. If the business repays the senior loan while PIK interest accrues on a junior note, or adds a seller note in an add-on acquisition, the senior ratio can improve while the total ratio worsens.