What Is An Equity Investment? Raising Capital For Shares

If you’re running (or about to launch) a UK startup or SME, there’s a good chance you’ll hit a point where you need more capital to grow.

You might want to hire key staff, build your product, increase stock, invest in marketing, or simply extend your runway long enough to reach profitability.

One of the most common ways to fund growth is equity investment. But before you offer shares to investors, it’s worth getting clear on what you’re actually giving away, what investors will expect, and what legal steps you’ll need to take so you’re protected from day one.

What Is An Equity Investment (And Why Do Small Businesses Use It)?

In simple terms, an equity investment is when someone puts money into your business in exchange for shares.

Sometimes, an investor may also contribute “non-cash consideration” (for example, assets) in return for shares, but this is more complex and usually needs careful valuation and documentation to ensure it complies with UK company law.

Those shares represent ownership in the company. That means the investor usually benefits if the company grows in value, and they may receive returns through:

• Dividends (if you decide to distribute profits), and/or
• A “liquidity event” like selling the company, a share buyback, or (less commonly for SMEs) listing on a public market.

From a founder’s perspective, equity investment can be attractive because:

• You don’t have to repay the investment like a loan (no monthly repayments).
• It can fund growth faster than reinvesting profits.
• The right investor may bring expertise, contacts and credibility as well as capital.

At the same time, equity investment isn’t “free money”. You’re giving up a slice of ownership and, often, a degree of control. That’s why the terms matter so much.

You may also see people search for “what is a equity investment”. It means the same thing: an investment made in return for equity (shares) in the business.

Equity Investment Vs Debt: Which One Fits Your Business?

Before you raise equity, it helps to compare it to the other common option: debt finance (like a bank loan or director loan).

Equity Investment (Shares)

• No repayments in the usual sense (investor returns depend on business success).
• Dilution: your percentage ownership drops as new shares are issued.
• Investors may expect decision-making rights and protections.
• Often better suited to businesses aiming for high growth where cashflow is needed for scale.

Debt Finance (Loans)

• You typically repay the amount borrowed (plus interest) on set terms.
• You keep ownership, but you take on repayment pressure.
• If things go wrong, debt can create serious cashflow stress.
• Often better suited to businesses with predictable revenue and capacity to service repayments.

There’s no universal “best” answer. Many SMEs use a mix over time.

But if you’re planning to raise equity, your focus should be on two big things:

• Valuation and dilution (how much of the company you’re giving away), and
• Control and protections (what rights come with those shares).

How Does An Equity Investment Work In Practice?

Equity investment usually looks straightforward on the surface: an investor puts in money, and you issue shares.

In the real world, a “raise” involves a few key stages and legal moving parts.

1) Your Company Needs To Be Set Up To Issue Shares

In the UK, equity investment is typically done through a limited company (usually a private company limited by shares).

If you’re currently operating as a sole trader or partnership, you generally can’t offer “shares” in the same way. You may need to register a company and transfer the business into it before you can raise equity properly.

2) You Agree The Commercial Deal

This is where you and the investor discuss the headline terms, such as:

• How much they’re investing
• The valuation of the company (and therefore the % ownership they’ll receive)
• Whether the shares are ordinary shares or a different class (e.g. preference shares)
• Any special rights (like veto rights over major decisions)
• Board involvement and reporting expectations

Often, these points are summarised in a Term Sheet. This helps everyone stay aligned before you spend time and cost on full documents.

3) You Paper It Properly (This Is Where Many Businesses Get Stuck)

Equity investment is one of those areas where trying to “keep it informal” can create long-term headaches. Misunderstandings about rights, dilution, and decision-making can lead to disputes right when you need to focus on growth.

Typically, you’ll need documents covering both:

• The share issuance (how the investor becomes a shareholder), and
• The shareholder relationship going forward (how decisions are made, what happens if someone wants to leave, etc.).

4) You Complete The Legal Steps For Issuing Shares

Issuing shares is a formal process under UK company law. Exactly what you need to do depends on your company’s constitution and existing shareholder arrangements, but commonly includes:

• Checking your Articles of Association (and whether you need shareholder approvals)
• Board resolutions to approve the allotment/issue of shares
• Updating statutory registers
• Making relevant filings (often including Companies House filings for allotments, such as submitting a return of allotment)

This is also where pre-emption rights can pop up. If existing shareholders have a right of first refusal on new shares, you may need to offer the new shares to them first, or get a waiver.

What Legal Documents Do You Need For An Equity Investment?

When you raise capital for shares, the “right” documents will depend on your company, your investor, and how complex the deal is.

That said, there are a few documents that commonly come up for UK startups and SMEs.

Share Subscription Documents

When an investor is putting money into the company in exchange for newly issued shares, you’ll usually document that through a Share Subscription Agreement.

This sets out things like:

• How much is being invested
• What shares are being issued
• When the investment completes
• Conditions that must be met (if any)
• Warranties or confirmations about the company

If you’re raising from multiple investors, you may also use a subscription letter structure, but you still need to ensure it works alongside the rest of your shareholder arrangements.

Shareholders Agreement

A Shareholders Agreement is often the backbone of a smooth investor relationship. It sets the rules between shareholders, especially around control, exits, and what happens when things change.

It commonly covers:

• Decision-making (what needs shareholder approval vs board approval)
• Reserved matters (actions that require investor consent)
• Share transfers (who can sell, and to whom)
• Good leaver / bad leaver rules for founders (particularly important if founders are also employees/directors)
• Drag-along and tag-along rights (important when the company is sold)
• Dispute resolution mechanisms

Without a proper agreement, you’re often relying on default company law rules and your Articles, which may not match the realities of how you want to run the business.

Founders Agreement (If You’re Not Fully Aligned Yet)

If you’re raising investment early, investors will often look closely at whether the founders are aligned and whether there’s a clear structure for ownership, roles, and exits.

A Founders Agreement can help clarify:

• Who owns what (and whether equity is subject to vesting)
• Roles and responsibilities
• What happens if a founder leaves
• IP ownership (so the company, not individuals, owns the product/brand assets)

This is often one of the first things investors ask about, because founder disputes can seriously damage a growing company.

Company Constitution And Ongoing Contract Basics

Raising equity doesn’t happen in a vacuum. Investors will usually expect your legal foundations to be tidy, including your key contracts.

For example, if your team is growing, having a fit-for-purpose Employment Contract can help avoid confusion around duties, confidentiality, and IP created by staff.

And when you’re signing any deal documents, it helps to understand legally binding basics (offer, acceptance, consideration, and intention), so you don’t accidentally commit to terms too early in negotiations.

Key Legal And Commercial Issues To Think About Before You Offer Shares

Equity investment is exciting, but it also creates permanent changes in your company’s ownership structure. Here are some of the big issues we regularly see founders and SMEs wrestling with.

Valuation And Dilution

If you raise money by issuing shares, you dilute existing shareholders (including you).

Dilution isn’t automatically “bad” - it can be a great trade-off if the investment helps the company grow faster and become more valuable overall.

But you should think about dilution across the bigger journey, not just this round. Ask yourself:

• If we raise again in 12–18 months, what happens to founder ownership?
• Do we need an employee option pool to hire key people?
• What level of ownership/control do we need to keep the business moving efficiently?

Control: Voting Rights, Board Seats, And Reserved Matters

Not all shares are equal in practice.

An investor might accept a minority stake but ask for veto rights over certain actions (like taking on debt, changing the business model, or issuing more shares).

These are common in investment deals, but they need to be carefully scoped. Too many veto points can slow your business down and make future fundraising harder.

Share Classes (Ordinary Vs Preference)

Many small companies start with a simple “ordinary shares only” structure. Investors sometimes want preference shares, which can carry extra rights (for example, priority on getting their money back on a sale).

There’s nothing inherently wrong with that - but it can make your cap table and future rounds more complex, so it’s worth getting advice on what you’re agreeing to and how it will affect future investors.

Investor Due Diligence And Your Legal Housekeeping

Even angel investors often do a form of due diligence. They’ll want comfort that the company is properly run and that key risks are under control.

Common areas they focus on include:

• Company structure, filings, and share ownership records
• IP ownership (especially if founders created the product before incorporation)
• Key customer/supplier contracts
• Employment/contractor arrangements and confidentiality protections
• Data protection practices (especially if you handle customer data)

This isn’t about being “perfect”. It’s about showing that you’ve taken reasonable steps to protect the business and reduce avoidable risk.

Common Mistakes When Raising Equity (And How To Avoid Them)

Raising capital can move quickly, especially if you’ve found an enthusiastic investor. But moving quickly without the right safeguards is where problems tend to start.

Agreeing Terms Over Email Without Clarity

Heads of terms, emails, and pitch deck summaries can create misunderstandings if they’re not carefully drafted. If you’re still negotiating, it’s worth being explicit about what is and isn’t agreed yet.

Not Thinking About The Endgame

It’s easy to focus on getting the money in the door. But good investment terms consider:

• What happens if you want to sell the company?
• What happens if the investor wants out?
• What happens if a founder leaves?
• How future fundraising will work (and whether this round makes it harder)

Issuing Shares Without Checking Existing Rights

Pre-emption rights, consent requirements, and restrictions in your Articles or existing shareholder arrangements can block (or complicate) a share issue.

If you ignore those rules, you can end up with a messy situation where the share issue is challenged, or you need to unwind and redo documents later.

DIY Templates For High-Stakes Deals

It’s completely understandable to want to keep costs down. But equity investment documents don’t just record a transaction - they set the long-term rules for ownership and control.

Generic templates often miss critical deal-specific terms (or include terms that don’t fit your business). Tailored advice and drafting can save you from expensive disputes later.

Key Takeaways

• An equity investment is where an investor puts money (or, in some cases, non-cash consideration) into your company in exchange for shares, becoming an owner with rights tied to those shares.
• Equity investment can be a strong option for UK startups and SMEs because it doesn’t create loan repayments, but it does involve dilution and often some loss of control.
• Most equity raises involve agreeing key terms first (often in a Term Sheet) and then documenting the deal with formal investment and shareholder documents.
• A well-drafted Shareholders Agreement can be crucial for preventing disputes and setting clear rules on decision-making, exits, and transfers.
• Before issuing shares, make sure your company structure and existing shareholder rights allow it, and complete the correct legal steps to allot shares properly.
• Investors commonly review your legal foundations (IP, contracts, employment arrangements, and compliance), so it’s worth getting your housekeeping in order early.

This article is general information only and isn’t legal, financial, tax or investment advice. If you’re considering equity fundraising, you may also want specialist tax advice (for example, around EIS/SEIS eligibility and investor reliefs).

If you’d like help raising equity investment for your UK business - or you want to make sure your share issue and documents are set up properly - you can reach us at 08081347754 or team@sprintlaw.co.uk for a free, no-obligations chat.