Who is the Bridge Round Playbook for?

Founders mid-A-to-B who need 6-18 months of additional runway to reach the metrics that unlock a Series B. Equally relevant for CFOs deciding between equity, venture debt, IP-backed lending, or a structured bridge.

When should I start thinking about a bridge round?

Six to nine months before runway hits zero. Bridges arranged in panic close at worse terms. Bridges arranged early close on better instruments and preserve more option value for the next round.

Bridge or down round — how do I decide?

A bridge preserves the previous valuation and buys time to compound the metrics that justify it. A down round resets the valuation and accepts the dilution. The right answer depends on whether your evidence base is fundamentally lower than at last round, or whether you just need time to compound. The clusters in this hub work through the decision tree.

Is venture debt always cheaper than equity?

No. Venture debt is cheaper only when you can service the interest from operating cash flow without triggering covenants. The runway-math cluster covers when it works and when it converts your bridge into a forced sale.

What is a bridge thesis and why do I need one?

A bridge thesis is a 2-page memo that says: this is what we will achieve with the bridge capital, this is the metric that will move, this is the next round it unlocks. Without it, existing investors hesitate and new investors will not engage. It is the single artefact that determines whether your bridge closes.

Should I talk to existing investors first?

Sometimes. The existing-vs-new cluster covers when going to existing investors first reads as confidence and when it reads as desperation. The signal is in the structure of the conversation, not the order.

How does IP-backed lending fit a bridge?

For UK founders with registered IP (patents, software, trademarks), IP-backed lending from NatWest, HSBC, or BBB-backed programmes can replace 30-50% of a bridge round with non-dilutive capital. The ip-backed-lending cluster covers eligibility and how to combine it with a smaller equity bridge.

Will this hub help me communicate the bridge to my board?

Yes. The board-communication cluster includes the memo template, the 30-minute board-meeting structure, and the language to use (and avoid) when reframing the bridge as planned sequencing rather than emergency.

Content Hub

The Bridge Round Playbook

The only playbook written from the founder's side of the bridge — when existing investors go quiet, runway is shrinking, the market is not co-operating, and the next round is twelve months further out than last quarter's plan said. Ten assets covering thesis, instrument choice (equity, venture debt, IP-backed lending), runway math, board communication, and the pro-rata problem.

Start with the bridge thesis Run the Round Readiness Diagnostic

Bridge rounds get less written about than Series A and Series B for an obvious reason — the founders living through them are not writing publicly, and the funds running them prefer the closed-room narrative. The result is a content gap that lands on founders at exactly the moment they need structured advice the most. This hub closes the gap. It treats a bridge as the strategic instrument it actually is — a deliberate way to compound the metrics that justify the next round at a higher price — rather than the panic move it is often framed as.

6-9 mo the runway window in which a bridge arranged early closes on better terms than a bridge arranged late

30-50% of a bridge round that can be replaced with non-dilutive IP-backed lending in the UK, where eligibility allows

10 assets all ten clusters of Pillar 2 — Bridge Rounds — curated into one operating manual

Key Takeaway: A bridge is a sequencing decision, not a survival decision. Founders who treat it as the latter close on worse instruments at worse valuations. Founders who treat it as the former preserve the option value of the next round and arrive at it with the metric that justifies the price.

Who this hub is for

Founders at £1M-£15M ARR

Six to eighteen months of additional runway needed
Reaching the metrics that unlock a Series B — or a Series A at a defensible price
Navigating the politics of the existing cap table without eroding trust or option value

CFOs and Heads of Finance

Deciding between equity, venture debt, IP-backed lending, convertibles
Weighing trade-offs each instrument carries into the next round
Sizing the runway maths and the dilution maths in parallel

Not sure where to start? Take the diagnostic — eight minutes against The Opagio 12, and the gap list tells you which cluster is most worth opening first.

What lives here — the architecture

A bridge round is a one-time event for most founders. The sequencing knowledge it requires has typically been acquired by the time it is no longer needed. The ten clusters in this hub compress that learning curve.

The thesis

The 2-page memo that determines whether the bridge closes at all. Existing investors and prospective new leads read this first.

The instrument decision tree

Equity, venture debt, IP-backed lending, convertible, priced. Each carries different signalling and different next-round mechanics.

The runway math

How to size the bridge correctly — not too small to reach the next milestone, not so large that the next round prices the bridge as overhang.

Relationship management

Existing-investor sequencing, board communication, pro-rata politics, anti-dilution mechanics. The half of a bridge that the runway-maths spreadsheet cannot answer.

Example: A B2B SaaS founder at £4M ARR has 11 months of runway. The Series B market for their sector is two quarters slower than expected. The choice is: raise a flat bridge from existing investors at the previous price; pursue a small new-lead bridge at a slight markup; layer £1.5M of IP-backed debt onto a £2M equity round to halve dilution. The clusters in this hub work each option with the maths.

The 10 assets

All ten clusters of the Bridge Rounds pillar, structured as one curated operating manual. The "Where it lives" column is the actionable destination.

#	Asset	Where it lives	Why it matters
1	How to build a bridge-round thesis that closes	/bridge-rounds/thesis	The 2-page memo every successful bridge starts from. Without it, existing investors hesitate and new investors will not engage
2	Existing investors or new lead — who to talk to first	/bridge-rounds/existing-vs-new	Sequencing is signalling. The cluster covers when going to existing reads as confidence and when it reads as desperation
3	Convertible vs priced bridge — when each makes sense	/bridge-rounds/convertible-vs-priced	The instrument choice that determines how the bridge converts at next round. Maths-led, not preference-led
4	Venture debt in a bridge — when it reduces dilution	/bridge-rounds/venture-debt	When venture debt actually works, when it forces a sale, and how to read the covenants before signing
5	IP-backed lending as bridge capital	/bridge-rounds/ip-backed-lending	The non-dilutive UK alternative — NatWest, HSBC, BBB-backed — that can replace 30-50% of a bridge for IP-rich businesses
6	Flat, up, or down — the real bridge valuation mechanics	/bridge-rounds/flat-vs-down	Bridges price differently from primary rounds. The cluster covers the discounting mechanics and what the price signals to the next investor
7	The runway math that determines your bridge size	/bridge-rounds/runway-math	How to size the bridge correctly — not too small to reach the next milestone, not too large to be dilutive
8	Communicating a bridge to your board without panic	/bridge-rounds/board-communication	The memo template and the 30-minute board-meeting structure that reframes the bridge as planned sequencing
9	The pro-rata problem and how to solve it	/bridge-rounds/pro-rata-problem	When existing investors do not take their pro-rata, the signal is loud. The cluster covers how to manage the politics
10	Anti-dilution protection in bridge rounds	/bridge-rounds/anti-dilution	What founders miss about broad-based weighted average, narrow-based, and full ratchet — and how each plays out at next round

The anchor asset

The Bridge Thesis Builder — the single artefact every successful bridge starts from. Free version produces a 1-page summary suitable for an existing-investor email and a board sub-committee briefing. The Growth tier in the Opagio platform unlocks the full 8-page memo with driver-level analysis (against the Opagio 12™), comp-set positioning, instrument-level recommendation, and a lender-ready appendix for IP-backed debt eligibility.

Until the dedicated tool is wired into the platform, the thesis cluster contains the structured framework — what each section covers, what evidence each section requires, and the failure modes that produce a thesis investors do not engage with.

Not sure where to start?

Eight minutes against The Opagio 12. The diagnostic surfaces the drivers that sit above and below sector median, classifies your funded state, and routes you to the highest-relevance asset first.

Take the diagnostic →

Build the bridge thesis

Two pages. Driver-level. The artefact that determines whether your bridge closes.

Open the Bridge Thesis cluster Run the diagnostic first