| Revolver | First-lien, pari with term debt — or super-priority in a modern unitranche | Floating base plus spread on drawn, undrawn commitment fee | Often a springing test on utilisation | Commercial bank, increasingly the private credit lender itself | PrimaryT1-12 · T3-07 |
| Asset-based facility | First-lien on current assets, sized by borrowing base and advance rates | Floating base plus spread, tighter than cash-flow debt | Borrowing-base and availability tests, minimal financial covenants | Asset-based lenders and specialty finance | SynthesisT2-06 |
| Term Loan A | First-lien senior secured | Floating base plus spread | Maintenance financial covenants | Bank or club of banks | SynthesisT2-06 |
| Term Loan B | First-lien senior secured | Floating base plus spread, often with a floor | Frequently covenant-lite and incurrence-based | Institutional investors via syndication | SynthesisT2-06 |
| Unitranche | First-lien, internally sliced first-out and last-out | One blended spread over the floating base | Usually a single maintenance leverage test | Private credit fund or business development company, single lender or small club | PrimaryT3-05 · T3-08 |
| Second lien | Second lien on the same collateral, silent during standstill | Floating base plus a wider spread | Looser, set at a cushion to the first lien | Private credit and hedge funds | SynthesisT2-06 |
| Mezzanine | Contractually subordinated in payment, usually unsecured | Fixed cash coupon plus accrual plus warrants | Incurrence-style and wide | Mezzanine funds and small business investment companies | SynthesisT4-06 |
| Preferred equity | Below all debt, above common | Cash or accruing dividend | Governance protections rather than covenants | Structured-equity and private credit funds | Synthesis |
| Seller note | Junior, often subordinated or on standby to the senior lender | Fixed rate, frequently below market | Light, with cross-default to the senior facility | The seller | PrimaryT1-13 · T3-11 |