Junior capital is financing that sits below conventional senior debt and provides an important solution when senior leverage is capped but strategic investments or acquisitions are on the horizon. These forms of capital enable companies to fund growth, bridge capacity shortfalls, and pursue time-sensitive opportunities without the pressures or caps of senior leverage.



Why Does Junior Capital Matter Today?


Bank lending standards to commercial borrowers have tightened in recent quarters, creating senior leverage ceilings that junior capital can bridge with speed and high execution certainty. Additionally, junior capital can provide flexible options, allowing companies to preserve liquidity and cash flow for growth versus debt repayment.



When Junior Capital Makes Sense


  1. Acquisition and recapitalization funding: Mergers and acquisitions, roll-ups, and recapitalizations where senior debt is fully utilized.

  2. Shareholder liquidity without dilution: Management buyouts, minority recapitalizations, and other partial liquidity events.

  3. Growth capital: Funding for new locations, product expansion, or sales force scaling with visibility to EBITDA uplift.

  4. Solutions to senior debt constraints: Collateral shortfalls, borrowing base limits, or underwriting tightness requiring additional flexible capital.



Options for Junior Capital


Subordinated Debt (Sub Debt)

  • What it is: Contractually junior term debt that sits beneath senior lenders and above equity in the capital stack. Often unsecured, sometimes second lien. Repayment is typically interest‑only with principal due at maturity with no amortization.

  • Typical terms: Cash coupon higher than senior debt with potential payment-in-kind (PIK) component; may include warrants that provide modest equity participation. Intercreditor or subordination agreements govern payment blocks and remedies.

  • Structure: Lighter covenants than senior debt. Commonly structured with bullet or near‑bullet repayment and medium‑term maturities; five to seven years is typical in middle‑market practice.


Mezzanine Debt (Mezz Debt)

  • What it is: Junior capital that blends debt and equity features; ranks below senior secured loans and is usually unsecured or second lien; many structures include PIK interest and, at times, equity warrants.

  • Typical terms: Coupons price higher than senior loans, with all‑in returns driven by cash interest, PIK toggles, fees, and any equity kicker.

  • Structure: Frequently bullet maturities and lighter covenants than senior facilities with customary protections. Warrants, where used, are negotiated to align with risk and growth expectations.


Preferred Equity (Pref Equity)

  • What it is: Noncontrolling equity that is senior to common shares but junior to all debt. Terms vary widely and commonly include fixed or accruing dividends, redemption rights, conversion options, and protective provisions.

  • Typical terms: Stated dividends that can be cash or PIK, potential step‑ups, negotiated redemption timetable, and conversion mechanics.

  • Structure: Junior to all debt, senior to common equity (see below). Protective provisions and consent rights calibrated to balance flexibility with investor protections.


Minority Equity (Common Equity)

  • What it is: A noncontrolling equity investment, often paired with preferred terms, that injects growth capital without a change of control.

  • Typical terms: Negotiated economic and governance rights such as board or observer seats, information rights, and preemptive rights.

  • Structure: Rights and protections tailored through shareholders’ or investment agreements to maintain operational agility while safeguarding minority interests.



Attributes of Strong Junior Capital Candidates


Junior capital is often a strong fit for middle‑market companies that reflect several of the attributes below. Ultimately, each opportunity is evaluated on its own, with cash‑flow durability, credit fundamentals, and the intended use of proceeds guiding the structure.


  • Scale and earnings quality

    • EBITDA of approximately $2 million and up

    • Stable, recurring cash flows with demonstrated conversion to free cash flow

  • Capital intensity

    • Moderate, predictable CAPEX with limited asset replacement needs

  • Competitive position

    • Defensible margins and strong market position supported by contracted or subscription-like revenue, switching costs, or differentiated offering

  • Customer and supplier profile

    • Diversified customers and vendors with limited concentration risk and balanced contractual terms

  • Business stability and liquidity

    • Minimal cyclicality or seasonality, or proven liquidity buffers and covenant headroom to manage variability


Industries include, but are not limited to, manufacturing, distribution, industrials, business services, healthcare services, consumer, food and beverage, technology, communications.

The Right Partnership

BMO Capital Partners (BMOCP) provides bespoke junior capital solutions to middle‑market and early‑stage companies across North America. As an evergreen, long‑term investor, BMOCP is not bound by fund‑cycle timelines and can support multiyear growth strategies with flexibility. Integrated collaboration with BMO’s senior lending, treasury, corporate advisory, and capital markets teams enables coordinated underwriting and a streamlined documentation/closing process. With a long track record across industries, BMOCP consistently delivers tailored structures and reliable execution.


To learn more about how BMO Capital Partners supports the North American middle market through minority investments in companies through all growth stages, please contact: