Classes of Shares in UK Companies Explained

Deciding how to split ownership in your company isn’t just about “how many shares.” It’s also about which class of shares you issue and what rights sit behind each class.

Get this right and you’ll be able to reward founders, attract investors, incentivise staff and keep control as you grow. Get it wrong and you could be stuck with inflexible dividend rules, unexpected voting blocks or unhappy investors later.

In this guide, we’ll break down what a “class of shares” actually is, the most common classes used by UK small businesses, how to set them up lawfully under the Companies Act 2006, and practical tips for avoiding pitfalls.

What Is A Class Of Shares?

A class of shares is a group of shares with the same set of rights attached to them. Those rights are set out in your company’s articles of association and can cover things like:

• Voting (e.g. one vote per share, no vote, or enhanced votes)
• Dividends (e.g. fixed rate, discretionary, or priority dividends)
• Capital on a winding up (who gets paid first if the company is wound up)
• Redemption or conversion rights (e.g. redeemable or convertible shares)
• Pre-emption rights on new issues or transfers

Under the Companies Act 2006, a company can issue different classes provided the rights are clearly set out in the articles. Private companies often start with a single ordinary class, then introduce new classes as their needs evolve (for example when taking investment or creating founder “growth” shares).

Your class structure is the engine room of your ownership and control. It affects everything from day-to-day decision-making to how profits are distributed. That’s why it’s worth designing it carefully from day one.

Common Classes Of Shares (And When To Use Them)

There’s no one-size-fits-all set of classes, but these are the most common options we see in UK SMEs and startups:

Ordinary Shares

Ordinary shares are the default for many small companies. They typically carry full voting rights, participate in dividends at the directors’ discretion and rank equally on a winding up (often called “pari passu”). You can still have more than one class of ordinary share by giving each “alphabet” labels (e.g. A Ordinary, B Ordinary) with slightly different rights where needed.

Alphabet Shares

“Alphabet” ordinary shares (A, B, C, etc.) allow you to vary rights between shareholder groups. Common reasons to use alphabet shares include:

• Setting different dividend policies between founders
• Keeping founder voting control while issuing non-voting shares to employees/investors
• Ringfencing rights for future fundraising rounds

Careful though: using alphabet shares to split dividends among family members purely for tax advantage can trigger HMRC anti-avoidance rules. Get tailored tax advice before relying on “dividend waivers” or income-splitting strategies.

If you’re weighing up how “A” and “B” classes typically differ, it helps to compare Class A vs Class B shares in more detail.

Non‑Voting Shares

Non-voting shares are useful when you want to raise funds or reward contributors without giving away control. Holders usually get dividends and capital rights but no say in general meetings. These are common for employee pools or friends-and-family investors.

Preference Shares

Preference shares come with a “preference,” usually a prior right to a fixed dividend and/or priority return of capital. Some carry cumulative dividend rights, meaning unpaid dividends roll forward to future periods.

There are many variants, so it’s worth understanding the typical mechanics of cumulative preference shares before you commit.

Redeemable or Convertible Shares

Redeemable shares can be bought back by the company on agreed terms (useful in founder exit or buy-back scenarios). Convertible shares can convert into another class on certain triggers (for example, upon an investment round or hitting growth targets). Be precise about triggers, pricing and approvals in your articles or investment documents.

Growth or Hurdle Shares

Growth shares are designed to deliver value only above a defined “hurdle,” typically the current share value. They’re often used to incentivise founders and key staff while protecting existing value for current shareholders. You’ll need a robust valuation and clear class rights to avoid disputes.

How To Choose Your Classes Of Shares

Start with your goals, then design the class rights to match. Ask yourself:

• Control: Who should be able to vote on major decisions? Should anyone have enhanced or reduced voting?
• Economics: How should profits be shared today versus in the future? Do you need fixed, priority or discretionary dividends?
• Incentives: How will you reward and retain key people (e.g. employee options, growth shares, or a small non‑voting class)?
• Funding: Will investors expect preferences (e.g. liquidation preference, anti‑dilution, priority dividends)?
• Exit: Do you need drag-along and tag-along provisions, redemption rights or conversion mechanics to simplify a sale?

Two documents do much of the heavy lifting here: your articles of association (which set the class rights) and a Shareholders Agreement (which governs how shareholders behave and how disputes are handled). It’s wise to have both aligned and professionally drafted.

For company rules, make sure your articles get a thorough Articles of Association review. For owner rules and protections, a well‑structured Shareholders Agreement is essential from day one.

If you’re at the very beginning and working through who gets what, our practical guide on how to allocate shares in a startup is a helpful starting point.

Setting Up Or Changing Share Classes: The Legal Process

Whether you’re creating new classes at incorporation or introducing them later, there are some key legal steps under UK company law.

1) Draft The Rights In Your Articles

Class rights must be clearly set out in the articles of association. If you’re introducing a new class, you’ll amend the articles. Typical drafting covers voting, dividends (including whether cumulative), capital return priority, redemption/conversion mechanics, and any limitations or conditions.

2) Approve By Resolution

Creating a new share class or varying class rights usually requires shareholder approval. In practice, companies pass a special resolution (75%+) to adopt new or amended articles. Some variations may also require class consent from the affected shareholders (Companies Act 2006, sections on variation of class rights), so check your current articles carefully.

If you’re unsure about thresholds, it helps to understand the difference between ordinary vs special resolutions and how to record board resolutions and shareholder approvals properly.

3) File With Companies House

Within the statutory time limits, you’ll need to file the special resolution and your updated articles with Companies House, and update the statement of capital to reflect the new classes and rights. When you allot new shares in a class, file the return of allotment (SH01) within one month and update your register of members and share certificates.

4) Respect Pre‑Emption And Class Consent

Statutory pre‑emption rights can apply to new issues of equity securities unless they’re disapplied (often by special resolution) or your articles set different rules. If you’re varying existing class rights, you may also need class consent procedures - ignoring these can render decisions invalid and invite disputes.

5) Keep Your Cap Table Clean

Record-keeping matters: update your registers, issue share certificates promptly, and keep your cap table current. Clean records make fundraising, due diligence and exits much smoother.

Raising Investment: Which Share Classes Work Best?

Investors care about two things: control and economics. Your classes are how you balance both.

• Early-stage angel/seed: Often accept ordinary or “A Ordinary” shares, sometimes with limited preferences documented in a side letter or shareholders’ agreement.
• Venture rounds: More likely to negotiate preference shares with rights over dividends and capital, plus investor protections (consents, information rights, anti-dilution).
• Friends and family: Non‑voting or limited voting ordinary shares can work if you want to protect decision-making while giving them a stake.

For primary issues, make sure each investment is documented with a clear Share Subscription Agreement that spells out the class, price, warranties and completion steps. Keep all investment terms aligned with your articles and Shareholders Agreement, otherwise you risk conflicting obligations.

Worried about future rounds eroding founder stakes? Plan for this early by understanding share dilution and using tools like vesting, pre‑emption and employee option pools thoughtfully.

Staff Incentives: Different Classes Or Share Options?

When you want to reward staff, you can either issue a bespoke class (e.g. non‑voting growth shares) or use options. For tax efficiency and flexibility, many UK SMEs choose EMI options (subject to eligibility) so employees can buy ordinary shares later at a set price.

• Using a new class: Good for ringfencing voting or dividend rights now, but can be complex to price and explain.
• Using options: Often simpler, and with EMI you may get favourable tax treatment if you meet the scheme rules.

Whichever route you choose, keep your class structure coherent and future‑proofed so that your next investment round doesn’t require a major re‑write of rights.

Tax And Compliance Considerations To Keep In Mind

While this guide focuses on company law mechanics, your class design can have real tax and compliance impacts. Key points to flag early:

• Dividends v salary: Paying founder‑directors via dividends from different classes can have tax consequences. Coordinate class design with remuneration planning.
• Alphabet shares and family planning: HMRC settlements rules can bite where shares are used mainly to divert income. Get tax advice before relying on dividend flexibility.
• Valuations: Growth or hurdle shares, options and employee incentives require defensible valuations to avoid disputes and unexpected tax.
• Companies House filings: Don’t miss filing deadlines for resolutions, new articles and share allotments - penalties and administrative headaches follow quickly.
• Investor protections: If you agree to investor rights outside the articles (e.g. via side letters), ensure those don’t conflict with class rights or statutory provisions.

If you’re ever in doubt about the right instrument for incentives, EMI or share classes, it’s sensible to get tailored legal and tax advice before you issue anything.

Practical Examples: How Classes Of Shares Play Out

Scenario 1: Two Founders, Different Roles

Founder A is full-time CEO; Founder B is part-time CTO. You might issue A Ordinary shares with full voting and dividends for both, then set different vesting schedules and service commitments. Alternatively, you could use A and B Ordinary to create dividend differences, but consider the tax angle carefully and document the plan clearly in your Shareholders Agreement.

Scenario 2: Bringing In An Angel Investor

You want capital but don’t want to lose control. Issue a small class of non‑voting ordinary shares with standard economic rights, give the investor information rights via the Shareholders Agreement, and protect founder control by keeping voting with the A Ordinary class. Document the deal with a robust Share Subscription Agreement.

Scenario 3: Staff Incentives Without Voting Dilution

You’d like to reward key staff but keep the board compact. Either issue non‑voting growth shares with a clear hurdle (set out in the articles), or grant EMI options over ordinary shares with vesting tied to performance and time. Either route signals alignment while keeping governance straightforward.

Avoiding Common Pitfalls With Share Classes

• Vague articles: If dividend, voting or conversion rights aren’t crystal‑clear, you’re inviting disputes. Draft precisely and road‑test your definitions with real scenarios.
• Conflicting documents: Make sure your articles, Shareholders Agreement and subscription documents all match. Inconsistencies cause real problems during due diligence.
• Over‑engineering: Too many classes too early creates admin and investor confusion. Start simple; add complexity only when you genuinely need it.
• Forgetting pre‑emption: Ignoring pre‑emption rights when issuing a new class can invalidate the allotment and sour relationships. Handle waivers or disapplication properly.
• No headroom: Run out of authorised share “headroom” (if your articles limit numbers) or forget to plan for the option pool? You’ll face a rushed articles amendment later.
• Skipping governance: New classes often need updated voting thresholds, investor consents and drag/tag provisions. Capture these cleanly in your Shareholders Agreement.

If you’re not sure which mechanics to use, a short workshop to align your cap table, articles and investment documents can save months of pain later.

Key Takeaways

• Classes of shares let you tailor voting, dividend and capital rights to match your goals - but those rights must be precisely drafted in your articles of association.
• Start simple (e.g. ordinary or alphabet shares) and add preference, non‑voting, redeemable or growth shares only when the business case is clear.
• Changing or creating classes requires the right approvals, updated articles and timely Companies House filings - get the process right to avoid invalid actions.
• Use a Shareholders Agreement alongside your articles to handle governance, investor protections, transfers and exits in a clean, consistent way.
• For fundraising, document each issue with a clear Share Subscription Agreement and plan ahead for dilution, option pools and future rounds.
• Tax matters: alphabet dividends, growth shares and options all carry tax implications - coordinate with your accountant and lawyer before you issue anything.
• Keep records tight: update registers, share certificates and your cap table promptly. Clean fundamentals make investment and exit much smoother.

If you’d like help designing your class structure, updating your articles or drafting investment documents, you can reach us at 08081347754 or team@sprintlaw.co.uk for a free, no‑obligations chat.