Bridge Round Data Room Checklist
Prepare a bridge-round data room that gives lenders and existing investors exactly what they need to move quickly.
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Bridge Round Data Room Checklist
A bridge round is typically raised under time pressure. Runway is shorter than planned, the next priced round is delayed, or an existing investor needs confirmation of progress before committing. The data room for a bridge has different requirements from a primary financing — it needs to be fast to navigate, focused on the specific bridge question and honest about the situation that necessitated it.

TL;DR
- Bridge investors — often existing investors — want to understand runway, burn rate and what the bridge is intended to achieve.
- The most important documents are current financials, a detailed cash flow model and a clear explanation of the plan beyond the bridge.
- Existing notes and convertible instruments must be disclosed. Incoming investors need to understand the full cap table implication of their investment.
- Move fast, but do not skip the legal review. Bridge documents have conversion terms that affect future rounds significantly.
- Keep the data room focused. A bridge is not the time to rebuild your entire investor presentation from scratch.
Bridge rounds have a reputation for urgency that sometimes causes founders to short-circuit documentation. Existing investors may agree to bridge quickly, but they still need to see current numbers. External bridge lenders — particularly venture debt providers — will conduct their own diligence. Even a friendly bridge from an existing investor has legal documents that require accurate disclosures.
What makes a bridge data room different
A primary Series A or B data room is built to introduce the company, prove the thesis and support a large, complex investment decision. A bridge data room is built to answer a smaller, more specific question: can this company make it to the next milestone and does the bridge structure make sense given the current cap table?
This changes the document priorities significantly.
The bridge round data room checklist
Section 1: Current financial position
The bridge investor's first question is always the same: how long does the company have without the bridge, and how long will the bridge last?
- Cash flow forecast — month-by-month for at least 18 months from today, showing the current runway without the bridge and the extended runway with it
- Bank balance confirmation — a statement or screenshot from the last working day
- Current monthly burn rate — broken down by category (payroll, infrastructure, sales and marketing, G&A)
- Accounts receivable summary — any outstanding invoices that affect the near-term cash position
- Committed costs — any large pending payments, renewal obligations or capex that affect the forecast

Section 2: Existing capital structure
Bridge investors need to understand what sits ahead of them in the stack and how the bridge converts alongside existing instruments.
- Cap table — current, including all existing notes, SAFEs, warrants and option pool
- Existing convertible notes — term, principal, interest, maturity date, conversion terms
- Existing SAFEs — valuation cap, discount rate, most-favoured-nation status
- Pro-rata rights summary — which existing investors have pro-rata rights and whether they are exercising them in the bridge
- Option pool size — current authorised pool and unvested options
Section 3: Bridge terms and use of proceeds
- Draft bridge term sheet — showing principal, interest, maturity and conversion terms
- Use of proceeds breakdown — what the bridge money will fund, month by month
- Milestone plan — what the company plans to achieve before closing the next round (product milestone, revenue milestone, customer milestone)
- Next round expectation — indicative timing, target raise size and lead investor status
Section 4: Business update since last fundraise
If existing investors are bridging, they have already seen a company presentation. They need an update, not a re-presentation.
- Investor update letter — the most recent one sent to existing investors
- Actual vs. plan comparison — how performance has compared to the plan presented at the last raise
- Key metric update — ARR, MRR, churn, NRR, headcount and gross margin as of the most recent period
- Explanation of variance — honest account of what went as planned, what did not and what changed

| Document | Purpose | Priority |
|---|---|---|
| Cash flow forecast | Shows runway with and without bridge | Critical |
| Cap table (current) | Establishes conversion context | Critical |
| Existing note summary | Discloses prior instruments to new bridge investors | Critical |
| Burn rate breakdown | Validates the cash position | High |
| Use of proceeds | Shows what the bridge achieves | High |
| Milestone plan | Links the bridge to the next round | High |
| Most recent investor update | Updates existing investors quickly | Medium |
| Key metric summary | Quantifies business progress since last raise | Medium |
Section 5: Legal documents
- Corporate documents — articles, latest board resolutions authorising the bridge
- Existing investor consent requirements — check subscription agreements for any consent rights that apply to new fundraising
- Draft bridge note or SAFE — ready for legal review before you start conversations
A realistic example
A B2B marketplace has £320,000 in the bank and a monthly burn of £140,000. At current burn, they have 2.3 months of runway. Their Series A was delayed because a strategic lead investor is completing its own fund close.
They prepare a bridge data room in three days. The core folder contains:
- A 12-month cash flow model showing current runway at 2.3 months, bridge runway at 8 months and post-bridge Series A runway at 24 months
- A current bank statement from the previous Friday
- Burn breakdown showing 68% payroll, 15% infrastructure, 12% marketing, 5% G&A
- Cap table including two existing SAFEs (one with a £6m cap, one with a £7.5m cap)
- A one-page milestone plan: close three enterprise pilots to paid contracts, reach £600k ARR, commence Series A in Q1 next year

Two existing investors commit within a week. A third takes ten days to review the SAFE terms. All three receive the same data room. The founder briefs each one individually on the milestone plan before they confirm.
Common bridge round mistakes
- Not disclosing existing convertible instruments. Every SAFE, note or warrant that converts alongside the bridge must be disclosed. Surprises at closing are worse than uncomfortable conversations during diligence.
- Optimistic runway assumptions. Bridge investors check burn rates carefully. If your cash flow forecast assumes revenue that has not yet materialised, show it as a separate scenario from base case.
- No clear explanation for why the bridge is needed. "We ran short" is not enough. Explain what changed from the original plan and why the bridge is the right response.
- Rebuilding the entire data room from scratch. Existing investors do not need a fresh introduction. New lenders need the financials and terms. Keep the room focused.
- Skipping legal review of the bridge documents. Bridge notes often have conversion features that affect the next round's cap table materially. Your legal adviser should review before you sign.
Pre-launch checklist for bridge round data room
- Cash flow model shows runway scenarios with and without bridge
- Bank balance confirmed within the last five working days
- Burn rate breakdown prepared and reviewed
- Cap table is current and includes all existing notes and SAFEs
- Existing convertible instrument terms summarised for new investors
- Use of proceeds and milestone plan written and reviewed
- Actual vs. plan update prepared for existing investors
- Draft bridge term sheet or note reviewed by legal counsel
- Corporate authorisation (board resolution) drafted
Frequently asked questions### Do existing investors need a full data room for a bridge?
Not necessarily. Existing investors may be comfortable with a financial update and a term sheet. However, if the bridge involves new instruments with specific terms, those documents should be formally reviewed. A short focused data room is better than no documentation.
Should I approach new investors for a bridge round?
Bridge rounds from new investors are possible but slower. New investors will require more complete diligence because they do not have prior context. Budget for 30 to 60 days rather than two weeks.
How do I handle an existing investor who refuses to bridge?
You cannot force an investor to participate. If one investor declines, proceed with those who commit. Document the decision and the reason if the declining investor gives one — it may be relevant context for future rounds.
What conversion terms are typical for a bridge note?
This varies considerably by market and deal stage, but common terms include conversion at the next round at a discount (10–20%) or at a valuation cap, with a maturity date of 12 to 18 months. Your legal adviser will have market data for your specific context.
Does a bridge round affect my Series A valuation?
Potentially. If bridge notes convert with a discount or cap below your Series A valuation, they create dilution. Sophisticated Series A investors will model the fully diluted cap table including all bridge instruments. Make sure you do the same calculation before agreeing to bridge terms.
Final takeaway

A bridge round data room is not a smaller version of a Series A data room. It is a focused, specific document set that answers the bridge question: is this company in a position to use additional capital effectively, and do the terms make sense given the current cap table? Prepare the checklist before you start conversations, run the legal review in parallel and keep the room focused on the question investors are actually trying to answer.
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