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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Thinking of selling your own shares in your company? Whether you’re a founder, an early investor, or a key employee, the decision to cash out some (or all) of your stake is a big one. There’s more to it than simply transferring ownership for a cash sum - selling shares can affect your finances, your influence in the business, even the direction of the company itself.
From boosting your company’s bottom line to potentially giving up control, there are plenty of factors to weigh before you go ahead. In this guide, we’ll walk you through the key advantages, the risks (sometimes hidden), and the practical steps to help you make an informed decision about when and how to sell shares.
Let’s break down what you need to know before you take the plunge.
Why Consider Selling Your Own Shares?
Shares represent ownership in a company - and that means selling shares is, in a sense, selling a piece of your business. UK business owners and founders often look to sell shares for a variety of reasons:- Raising capital for the company, often to fund growth or new projects.
- Personal liquidity – converting some (or all) of your investment in the business into cash.
- Bringing in expertise or forming strategic partnerships with new stakeholders.
- Succession planning, e.g. handing over control as part of an exit strategy or retirement.
What Are The Benefits Of Selling Shares?
1. Capital Infusion - Fuelling Growth Without Debt
Injecting fresh capital into your business is often the main reason to sell shares. This is especially useful for:- Expanding operations or exploring new markets
- R&D or launching new products/services
- Paying down existing business debt
- Improving infrastructure, tech, or hiring key staff
2. Tapping Into New Expertise And Networks
When you sell shares to new investors, you're not just raising money - you might also be expanding your company's brain trust. Seasoned investors or strategic partners can bring:- Industry-specific knowledge and commercial acumen
- Valuable business contacts and supply chain connections
- Fresh perspectives to inform company strategy
3. Building Market Reputation And Credibility
Successfully selling shares (especially to respected investors or funds) can send a powerful “vote of confidence” signal to the market:- It can enhance your company’s brand and credibility
- Help attract further investment or talent
- Encourage positive media or customer attention
What Are The Drawbacks Of Selling Shares?
Of course, selling shares isn’t all upside. Handing over a slice of ownership can have some significant consequences:1. Dilution: Less Ownership, Less Control
When you sell shares, you reduce your own percentage of ownership. This means:- Your voting power and ability to influence decisions can fall - especially if new investors acquire large stakes.
- If the company pays out profits as dividends, your own share of future profits drops accordingly.
- Major investors may seek direct involvement in management or board decisions.
2. Potential For Conflict – Clashing Objectives
Welcoming new shareholders means new opinions - and not everyone may agree on strategy, risk appetite, or day-to-day operations.- Differing goals between founders and external investors can create tension.
- Decisions on issues like reinvesting profits, making acquisitions, or even selling the company may become contentious.
3. Disclosure And Regulatory Demands
Depending on your company’s setup and who you sell to, share sales can create extra admin:- Notifying Companies House and updating your statutory registers
- Amending your Articles of Association
- If you’re selling large parcels, you could trigger regulatory requirements (such as anti-money laundering checks or approval from other owners)
- Public companies have additional strict listing obligations and reporting rules.
4. Sharing Sensitive Information
Prospective buyers often want to conduct due diligence and see key financial, legal, and operational information about your business before buying shares. This means opening your books to outsiders and, sometimes, competitors. Be sure to use a comprehensive non-disclosure agreement (NDA) to safeguard confidential information during share sale negotiations.5. The “Exit” Question – Impact On Remaining Stakeholders
If you (or a co-founder) sell a substantial chunk of shares, how will this affect those who stay on? Will it trigger “drag-along” or “tag-along” rights, or even incentivise others to cash out? It’s important to anticipate the repercussions for everyone involved. Don’t underestimate the cultural impact - a founder’s partial or complete sale can signal big changes ahead.Practical Considerations: What Should You Do Before Selling Your Shares?
Before you commit to a share sale, here are some must-do steps and key questions:1. Check Your Company’s Governing Documents
Always start by reviewing the company’s Articles of Association and shareholders agreement:- Are there pre-emption (right of first refusal) clauses that give existing shareholders first dibs?
- Do you need board or shareholder approval to sell?
- Are there restrictions on who can buy shares?
- What processes or notice periods are required?
2. Valuing Your Shares
Before you start negotiating, you’ll need to understand what your shares are actually worth. This could involve:- Analysing the company’s financial statements and recent valuations
- Reviewing comparable deals (if possible)
- Seeking a professional business valuation or consulting a solicitor with experience in business valuations
3. Understanding Tax Implications
Selling shares may create a chargeable gain, which could attract Capital Gains Tax (CGT). Consider:- Whether you qualify for tax reliefs, like Business Asset Disposal Relief (formerly Entrepreneurs’ Relief)
- If you need to report the transaction to HMRC
- How proceeds from the sale will be treated under your personal tax circumstances
4. Getting The Legal Documents Right
Once you’ve agreed a sale, you’ll need to document it properly. This usually means:- A share sale or transfer agreement, outlining terms, conditions, price, and warranties
- Updating the company register of members
- Making required filings with Companies House
- Possibly issuing a new share certificate
5. Picking The Right Buyer
Whether you’re selling to a fellow founder, a new investor, or a third party, think carefully about the outcome. Beyond price, consider:- Are they the right “fit” for the business’s values and vision?
- Will their involvement benefit or hinder the company’s future growth?
- Have you done appropriate background and reference checks?
How Can You Sell Your Shares - And Who Can Help?
The actual process of selling your shares depends on your company’s structure and internal rules. Common options include:- Transferring shares to another existing shareholder
- Selling your shares back to the company (a buyback arrangement - subject to strict rules)
- Selling to an outside investor, subject to Board and shareholder approval
Are There Any Disadvantages Of Share Capital?
Issuing share capital (and then selling shares) isn’t without drawbacks:- Loss of control: New shareholders may seek board seats, voting rights or influence over big decisions.
- Profit dilution: You must share future profits or dividends with more stakeholders.
- Ongoing obligations: More owners typically mean more reporting requirements and possibly greater scrutiny.
- Difficult to reverse: Once you’ve issued and sold shares, you can’t ‘un-sell’ them if you later wish to buy those shares back. Company share buybacks can be complex, expensive and regulated.
Key Takeaways
- Selling your own shares is a big decision that can impact your finances, control, and the future direction of your business.
- Advantages include raising capital, bringing in expertise, and boosting reputation - but dilution of ownership, loss of control, and increased obligations are real risks.
- Always check your company's Articles of Association and any shareholders agreement before selling shares, as they may restrict how (and to whom) you can sell.
- Professional advice on valuation, documentation, and tax matters will help you avoid costly mistakes.
- The legal process should be handled carefully - consider tailored guidance and all required filings to make sure your sale is binding and compliant.
- Think ahead: will this sale serve your (and the company’s) long-term interests? Choose your buyer with care.


