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Bridge Round Note: What Should UK Startups Check?

byAlex Solo10 min read

Maya runs a B2B SaaS startup in Manchester. Her next equity round is close, but the customer pipeline is moving faster than the fundraising paperwork. An investor offers a bridge round note so the company can hire two developers now and convert the money into shares at the next round.

That can be a very sensible way to buy time. It can also create awkward problems later if the note is rushed, unclear or out of step with your existing shareholders agreement.

A bridge round note doesn't need to be scary. The key is knowing which terms will actually affect your control, dilution, investor relationship and next funding round.

What Is A Bridge Round Note?

A bridge round note is usually a short-term investment document used to fund your startup until a larger funding event happens.

In the UK, the most common version is a convertible loan note. Under a convertible note, the investor lends money to your company now. Instead of being repaid in cash, the loan usually converts into shares when you complete a future priced equity round.

You might use bridge financing when:

  • Your next round is likely, but it won't close before you need cash.
  • You need extra runway to hit a revenue, product or regulatory milestone.
  • An existing investor wants to support the company through a top up round without negotiating a full valuation today.
  • You want a smaller and faster document than a full subscription and shareholders agreement package.

A bridge round note can sit alongside other documents, including board minutes, shareholder resolutions, a funding round closing pack, Companies House filings after conversion and updated statutory registers.

The name can vary. You may hear it called a bridge funding agreement, bridge note, convertible loan note, CLN or startup bridge financing document. The legal effect matters more than the label.

One point to watch early is whether the note is debt, equity or something in between. If it's a debt instrument, the company may have repayment obligations at maturity. If it's intended to support SEIS or EIS planning, repayment rights and interest can cause issues, so you'll want tax input from your accountant or tax adviser before signing.

Do You Need A Solicitor For A Bridge Round Note In The UK?

Yes, it's usually worth getting legal help before you sign a bridge round note, because small drafting choices can have a large effect on dilution, control and your next raise.

If you're searching for a bridge round note solicitor in the UK, you're probably looking for help with one or both of these things:

  • Preparing the note, so your investor has a clear document that matches your cap table, company documents and agreed commercial terms.
  • Reviewing an investor's note, so you understand what you're giving away and where you may need to negotiate.

The main legal checks are usually:

  • Whether your company has power to issue the note and later issue shares under the Companies Act 2006, its articles of association and any shareholders agreement.
  • Whether statutory pre-emption rights apply when the company grants conversion rights under the note, and whether the articles or shareholders agreement also require waivers or consents for the note or later conversion shares.
  • Whether existing shareholder or investor consent is needed.
  • Whether the conversion mechanics are clear enough for Companies House filings and your statutory registers.
  • Whether the note accidentally creates repayment pressure if the next round is delayed.
  • Whether investor rights, such as information rights, veto rights or board observer rights, go further than you intended.

Templates can be helpful for spotting common headings, but they often miss the parts that are unique to your startup, such as your current articles, investor veto rights, option pool and previous funding documents. A bridge note works best when it's tailored before you use it.

What Negotiation Points Matter Most To Founders?

The main negotiation points are the discount, valuation cap, maturity date, interest, conversion events and investor rights.

These are the terms that usually affect how much of your company the investor receives and how much control they have before the next round.

Discount

A discount gives the bridge investor a cheaper share price than the new investors in your next priced round. For example, a 20% discount means that if the next round share price is £1, the bridge investor converts at 80p.

From your perspective, the discount should reflect the investor taking earlier risk without creating more dilution than the bridge amount justifies.

Valuation Cap

A valuation cap sets the maximum valuation used to calculate the conversion price. If your next round valuation is higher than the cap, the investor gets the benefit of converting as if the valuation were the capped amount.

Caps can be very founder-friendly or very investor-friendly depending on where they're set. A low cap can significantly increase dilution if your next round goes well.

Maturity Date

The maturity date is when the note is due if it hasn't converted. This is where bridge notes can become stressful. If the investor can demand repayment before you have cash, your runway problem may come back at the worst time.

Founders often negotiate an automatic extension, conversion at maturity or majority noteholder consent before repayment can be demanded.

Conversion Events

Your note should say exactly when conversion happens. Common triggers include a qualified financing, a sale of the company, an IPO or the maturity date.

The definition of a qualified financing matters. If it's set too high, the note may not convert when you complete a smaller but still useful round.

How Do Discount And Valuation Cap Work In Practice?

They work by giving the investor the lower conversion price available under the agreed formula.

Say Maya's company raises £150,000 through a bridge note with:

  • A 20% discount
  • An 8% simple annual interest rate
  • A £4 million valuation cap
  • Conversion at the next qualified financing
  • A priced round six months later at £1 per share

After six months, interest is £6,000, so the amount converting is £156,000.

Under the discount, the investor converts at 80p per share. That would give the investor 195,000 shares.

Now assume the valuation cap formula produces a conversion price of 70p per share. Because 70p is better for the investor than 80p, the note converts at 70p. The investor receives about 222,857 shares.

That difference matters. With a cap, the investor receives around 27,857 more shares than under the discount alone.

This is why you shouldn't look at the headline investment amount only. You need to model the likely conversion outcomes across a few scenarios, including:

  • A strong next round at a higher valuation
  • A flat round where the valuation doesn't improve much
  • A smaller round that may or may not meet the qualified financing threshold
  • No priced round before maturity

Even a simple spreadsheet can help you spot whether the note still feels fair once it converts.

It depends on your company documents, but many UK startups do need board approval, shareholder consent or investor consent before issuing a bridge note or the shares that follow.

Start with your articles of association and shareholders agreement. These may include:

  • Pre-emption rights, which give existing shareholders first refusal on new shares or securities.
  • Reserved matters, which require consent from certain investors before the company takes specific actions.
  • Limits on borrowing, which may apply if the bridge note is debt.
  • Director approval requirements, including quorum rules for board meetings.
  • Share issue authorities, which may need to be refreshed before conversion.

Under the Companies Act 2006, UK companies also need to think about authority to allot shares and statutory pre-emption rights, unless these have been disapplied properly. For ordinary shares, the Act treats rights to subscribe for, or convert securities into, ordinary shares as equity securities. This means the grant of the conversion right under the note can be the point where statutory pre-emption rights need to be checked.

The later allotment of ordinary shares under that conversion right is generally excluded from the statutory pre-emption check. However, your articles or shareholders agreement may go further and require waivers, consents or shareholder resolutions for the note itself, the grant of conversion rights or the later conversion shares. So it's important to check both the statutory rules and your contractual documents before signing.

If consent is missed, the practical consequence is that your next investor may ask you to fix the issue before closing. That can mean delayed completion, awkward conversations with existing shareholders and extra paperwork at a time when you want momentum.

A sensible process is:

  1. Check your articles and shareholders agreement before agreeing final terms.
  2. Confirm whether the note itself needs approval as borrowing or as an issue of securities.
  3. Confirm whether statutory pre-emption rights need to be complied with or disapplied when conversion rights are granted, and whether contractual waivers, consents or shareholder resolutions are needed for the note or later conversion shares.
  4. Prepare board minutes and shareholder resolutions before funds are transferred.
  5. Update registers and make Companies House filings promptly after shares are issued on conversion.

What Should A Bridge Funding Agreement Include?

A bridge funding agreement should clearly set out the commercial deal, conversion mechanics, investor rights and company approvals.

Here's a practical outline you can use to brief your lawyer. This isn't a finished legal document, and it should be tailored before anyone signs it.

  1. Parties: name the company and each investor, including company numbers or addresses where needed.
  2. Investment Amount: state how much each investor is providing and when funds must be paid.
  3. Purpose Of Funds: describe the business use of the bridge funding, such as runway, product development or hiring.
  4. Interest: say whether interest applies, how it's calculated and whether it converts or is repaid.
  5. Discount: state the discount percentage and how the discounted price is calculated.
  6. Valuation Cap: set the cap and explain how it interacts with the discount.
  7. Qualified Financing: define the minimum round size or conditions that trigger automatic conversion.
  8. Maturity Date: set the date and what happens if no conversion event has occurred.
  9. Conversion On Sale Or IPO: explain what happens if the company is sold or lists before the next round.
  10. Investor Rights: list any information rights, pro rata rights, board observer rights or consent rights.
  11. Founder And Company Warranties: cover basic confirmations about authority, cap table, ownership and no conflicting agreements.
  12. Conditions To Completion: include required board approvals, shareholder approvals and waivers.
  13. Transfer Restrictions: say whether the investor can transfer the note and on what conditions.
  14. Confidentiality: protect business, financial and technical information shared during the raise.
  15. Governing Law: usually England and Wales for a UK company using English law documents.

You should also think about financial promotion rules under the Financial Services and Markets Act 2000. Fundraising materials can be regulated if you're inviting people to invest. Many startup raises rely on exemptions or are made to professional, high net worth or sophisticated investors, but the details matter.

How Much Does It Cost To Get A Bridge Note Reviewed?

The cost depends on how complex the note is, how many investors are involved and whether your existing company documents need a full check.

A simple review is usually cheaper than preparing a new note and coordinating approvals. The work may increase if you have multiple prior rounds, unusual share classes, overseas investors, SEIS or EIS considerations, or a shareholders agreement with detailed consent rights.

Common options include:

  • A free template: useful for seeing common clauses, but risky if you don't know how the terms interact with your cap table and existing documents.
  • An online fixed-fee legal service: helpful when you want practical drafting or review with the price agreed before work starts.
  • A traditional hourly firm: can be suitable for larger or more complex rounds, although the final cost may be harder to predict if the negotiation expands.

Whichever option you choose, check what is included. A proper review, and any subscription and shareholders agreement needed for the next round, should usually cover:

  • The bridge note or funding agreement
  • Your articles of association
  • Your shareholders agreement
  • Any previous investment documents that include consent rights
  • The cap table and conversion calculations
  • Board and shareholder approval steps

It can feel tempting to sign first and tidy up later, especially when cash is tight. In practice, a small amount of review upfront often saves you from renegotiating under pressure before your next round closes.

Key Takeaways

  • A bridge round note is usually a short-term startup funding document that converts into shares at a future funding round.
  • The founder negotiation points that matter most are discount, valuation cap, maturity, conversion events, interest and investor rights.
  • You should model dilution before signing, because a valuation cap can produce a very different outcome from the headline investment amount.
  • Check your articles, shareholders agreement and Companies Act 2006 requirements before granting conversion rights under the note or issuing conversion shares.
  • A good bridge funding agreement should cover the money, timing, conversion mechanics, approvals, rights, confidentiality and governing law.
  • Templates can be a useful starting point, but bridge notes work best when they're tailored to your company and your next funding plans.

If you'd like help with preparing or reviewing your bridge round note, checking your shareholder approvals, modelling conversion terms or updating your startup funding documents, you can reach us at 08081347754 or team@sprintlaw.co.uk for a free, no-obligations chat.

Drafted by Taylor, Sprintlaw's AI, and overseen by Alex Solo. How we write

Alex Solo
Alex SoloCo-Founder

Alex is Sprintlaw’s co-founder and principal lawyer. Alex previously worked at a top-tier firm as a lawyer specialising in technology and media contracts, and founded a digital agency which he sold in 2015.

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