Capital Strategy · Bridge Finance

Bridge Financing Explained for Growing Companies

Bridge financing fills a specific gap — the space between where you are and where you need to be for the next major capital event. Understanding it clearly is the difference between using it well and getting burned.

Bridge financing is one of the most misused and misunderstood instruments in the capital markets toolkit. Used well, it solves a real problem — funding a business through a defined period to a clear, higher-value capital event. Used badly, it creates a death spiral: expensive short-term debt, no clear exit, and a business running out of options.

Understanding bridge financing clearly — what it is, when it works, when it doesn't, and what the alternatives are — is essential for any founder or CFO considering it.

What is Bridge Financing?

Bridge financing is short-term capital — typically 6 to 18 months — used to fund a business through to a defined future capital event: an equity raise, a debt refinancing, a royalty close, an asset sale, or the start of contracted cash flows. The "bridge" metaphor is apt — you are crossing from Point A (current capital shortfall) to Point B (future capital event) and the bridge makes the crossing possible.

Bridge financing can take several forms: bridge loans (short-term debt), convertible bridge notes (debt that converts to equity), or even bridge equity (small equity rounds designed specifically to fund a larger raise). Each has different implications for cost, ownership, and risk.

Types of Bridge Financing

Bridge Loans

Short-term secured or unsecured debt, typically 6–18 months, repaid from the proceeds of the future capital event. Interest rates reflect the short-term, higher-risk nature: typically 12–20% annualised for business bridge loans, or 8–15% for asset-backed bridges. Common in mining (mining bridge loans), real estate, and infrastructure, where a defined future event (royalty close, property sale, project finance) provides a clear repayment trigger.

Convertible Bridge Notes

Short-term debt with a conversion feature — the bridge converts to equity at the next priced equity round, typically at a discount (15–25%) to reward the bridge investor for taking early risk. Standard in venture-backed startups bridging between equity rounds. The advantage: no cash repayment required if the equity round closes as planned. The risk: if the equity round doesn't close, the note matures and repayment is required in cash.

Trade Finance Bridges

Short-term facilities bridging between the purchase of goods and the receipt of payment from customers. Import loans, letters of credit, and trade credit facilities are all forms of bridge financing specific to the trade cycle. OAKRG arranges trade finance solutions for importers and exporters with specific trade cycle bridge requirements.

When Bridge Financing Makes Sense

"Bridge financing works when it is crossing a real bridge. It fails when it is delaying a cliff."

When Bridge Financing Doesn't Make Sense

Bridge financing is the wrong instrument when: the "future capital event" is speculative rather than highly probable; the bridge is covering operational losses with no clear path to profitability; the business has already taken multiple bridges without reaching the underlying event; or the cost of the bridge materially impairs the business's ability to execute.

The most dangerous bridge is one taken in desperation — when the business is running out of cash and the founder takes whatever terms are available. High-interest bridges taken in distress often accelerate failure rather than prevent it.

Cost of Bridge Financing

TypeTypical RateTermKey Risk
Business bridge loan12–20% p.a.6–12 monthsCash repayment if event delayed
Asset-backed bridge8–15% p.a.6–18 monthsAsset enforcement on default
Convertible bridge note6–10% p.a. + 15–25% discount12–24 monthsEquity round doesn't close
Mining bridge loan12–18% p.a.6–18 monthsRoyalty/equity event delayed

Alternatives to Bridge Financing

Before taking bridge financing, consider whether the capital requirement can be met by: extending customer payment terms (reducing debtor days improves cash flow immediately); negotiating extended supplier terms (improving creditor days); applying for non-dilutive government grants or R&D credits; reducing planned expenditure to extend runway; or completing a small equity top-up from existing investors (existing investors bridging existing portfolios is often the cheapest bridge available).

How OAKRG Can Help

OAKRG arranges bridge financing for businesses across multiple sectors — including mining bridge loans, accounts receivable bridges, and trade finance bridges. We connect businesses with lenders whose mandate matches the specific bridge requirement, and structure the instrument to protect both the business and the lender through to the expected capital event.

Frequently Asked Questions
Bridge financing is short-term capital — typically 6 to 18 months — used to fund a business through to a defined future capital event: an equity raise, debt refinancing, royalty close, asset sale, or start of contracted cash flows. The bridge allows the business to reach a higher-value capital position it couldn't access today.
A bridge loan is straight debt — repaid in cash with interest at maturity. A convertible bridge note converts to equity at the next priced round, typically at a 15–25% discount. Bridge loans suit businesses with a cash repayment trigger (asset sale, royalty close); convertible notes suit businesses expecting an equity round.
Business bridge loans typically range from 12–20% annualised, reflecting the short-term, higher-risk nature. Asset-backed bridges (real estate, mining equipment, receivables) achieve lower rates of 8–15%. Convertible bridge notes carry lower stated interest (6–10%) but the conversion discount represents additional effective cost.
When the future capital event is speculative rather than highly probable; when the bridge is covering ongoing operational losses with no path to profitability; when the business has already taken multiple bridges without reaching the underlying event; or when the bridge cost materially impairs execution ability.
A convertible bridge note is short-term debt that converts to equity at the next priced equity round — typically at a 15–25% discount to reward the bridge investor for taking early risk. No cash repayment is required if the equity round closes as planned. If the round doesn't close, the note matures and repayment is due in cash.
Bridge loans are typically repaid from the proceeds of the defined future capital event — the equity raise, royalty close, asset sale, or project finance drawdown. Ensure the repayment trigger is genuinely high-probability before taking the bridge, and have a contingency plan if it is delayed.
Yes. Startups between equity rounds commonly use convertible bridge notes — short-term debt that converts at the next equity round. Existing investors bridging their own portfolios is the cheapest and fastest form of bridge for startups. Third-party bridge lenders are available but typically more expensive.
OAKRG arranges bridge financing for mining companies (pre-royalty, pre-equity, production ramp), accounts receivable bridges, and trade finance bridges for importers and exporters. We connect businesses with lenders whose mandate matches the specific bridge requirement.

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