Venture Debt Explained: When It Makes Sense and When It Doesn't

What venture debt actually is

Venture debt is a loan product designed specifically for venture-backed companies that don't yet have the cash flow profile traditional banks lend against. Instead of cash flow, venture lenders size loans against the credibility of a company's most recent equity raise and investor syndicate — the loan is effectively underwritten on the strength of the equity story, not the balance sheet.

How it's structured

Loan size tied to the last equity round. Venture debt is typically sized at 20%–35% of a company's most recent equity raise, reflecting the lender's reliance on that round as the underwriting signal rather than independent cash flow analysis.

Interest plus warrants. Beyond the stated interest rate, venture lenders typically take warrants — the right to purchase equity at a set price later — as additional compensation for the risk, meaning venture debt isn't purely non-dilutive even though it avoids selling equity directly.

Covenants that matter more than the interest rate. Financial covenants (minimum cash balances, reporting requirements, sometimes restrictions on additional debt) can meaningfully constrain a company's flexibility — founders should weigh these covenants as carefully as the headline cost of capital.

When venture debt makes sense

Extending runway between equity rounds without dilution. A company with a clear, credible plan to hit milestones that will support its next equity round can use venture debt to extend runway and reach those milestones without raising an interim equity round at a potentially unfavorable valuation.

Financing specific, predictable capital needs. Equipment, inventory, or working capital needs with a clear repayment logic are a reasonable use case for venture debt, particularly when the alternative is diluting equity for a need that doesn't require permanent capital.

When venture debt is a warning sign

Using it to avoid an equity round the company actually needs. If a company is using venture debt because it can't raise equity on acceptable terms, the debt often just delays a harder conversation rather than solving the underlying problem — and adds repayment obligations on top of it.

Taking on debt without a credible plan to service it. Venture debt still requires repayment (or refinancing via a future round) — a company without a credible plan to reach cash flow or raise its next round on schedule is taking on real risk by adding debt obligations to an uncertain runway.

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