What is an ESOP?

An Employee Stock Ownership Plan (ESOP) allows employees to share in a company’s long-term success.

Instead of receiving only cash bonuses, employees may receive shares — or rights to shares — meaning that if the business grows, the value of what they hold may grow too.¹

In this guide, we explain what an ESOP is, how it works, and what it means for UK employees — including those working for US or international companies.

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What is an ESOP?

An Employee Stock Ownership Plan (ESOP) is a type of employee benefit that gives eligible workers shares — or, more commonly in the UK, the right to receive shares in the future.

As the company increases in value, the value of an employee’s stake may increase as well.

ESOPs are often used by startups and growing companies that may not yet have the resources to offer higher salaries or cash bonuses.¹

The term originates from the US, where it refers to a specific type of regulated employee benefit with defined legal and tax rules.

In the UK, “ESOP” is often used more loosely to describe employee share schemes such as:

• Share Incentive Plans (SIP)
• Enterprise Management Incentives (EMI)²

Rather than simply rewarding time worked, ESOPs are designed to align employees with long-term company performance.

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How does an ESOP work?

There’s no single structure for an ESOP, but most follow a similar framework:

1. The company sets up the plan

The company establishes an ESOP (or similar share plan) and defines the rules. These include who can participate, how many shares are available, and how they are awarded.

For UK employees, this may involve a UK tax-advantaged scheme (such as EMI or SIP) or participation in a US-based plan run by an overseas parent company.

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2. Shares (or rights to shares) are granted

Eligible employees receive shares or, more commonly, rights to shares such as stock options or restricted stock units (RSUs).

At this stage, you usually don’t own the shares outright. Instead, they become yours once certain conditions are met.³

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3. Vesting schedules apply

Most ESOPs use a vesting schedule, meaning shares are earned gradually over time.

A common structure is:

• Four years of vesting
• A one-year “cliff” (no shares vest in the first year, followed by a portion vesting at once)⁴

Vesting is designed to encourage retention. If you leave early, unvested shares are usually forfeited.

It’s also important to note that ESOPs are not guaranteed income. If the company does not perform well — or if there’s no opportunity to sell shares — they may end up being worth little or nothing.

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Who can participate in an ESOP?

Eligibility depends on company policy and legal requirements.

Typical eligibility rules

Full-time employees are usually the primary participants. Employers may set additional criteria such as:

• Minimum length of service
• Minimum working hours
• Specific job roles

Some companies extend eligibility to part-time staff once conditions are met, though this is not always automatic.⁵

In the UK, HMRC-approved plans such as SIP and EMI have their own eligibility rules.

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Service requirements

Many ESOPs include conditions such as:

• Cliff vesting: no shares vest until a set period (often one year)
• Graded vesting: shares vest gradually over several years (typically three to five)

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Employees vs contractors

Employment status is important:

• Employees: typically eligible
• Contractors: generally not eligible under standard ESOP structures⁵

In the US, ESOPs are regulated under ERISA and are usually limited to employees rather than independent contractors.

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How are ESOPs taxed?

Tax treatment depends on the type of plan and your individual circumstances.

Tax treatment in the UK

When you receive shares or options, tax may apply in different ways:

• Income Tax: may apply when shares vest or options are exercised (typically 20%–45%)⁶
• National Insurance contributions (NICs): may apply if treated as employment income
• Capital Gains Tax (CGT): may apply when shares are sold and have increased in value

As of 2026, the UK CGT annual allowance is £3,000.⁷

HMRC-approved plans such as SIPs and EMIs may offer more favourable tax treatment than unapproved schemes.⁸

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When tax may be due

Tax typically arises at two key points:⁹

• Vesting or exercise: Income Tax and NICs may apply
• Sale of shares: CGT may apply to any increase in value

If you receive shares or proceeds in a foreign currency, you may need to convert or transfer money internationally.

A Wise account lets you hold and convert multiple currencies using the mid-market exchange rate, with low and transparent fees.

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What happens when you leave a company with an ESOP?

Leaving a company doesn’t automatically mean losing your ESOP, but outcomes depend on the plan rules.

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The distribution process

• Unvested shares: usually forfeited
• Vested shares: typically retained

You may receive documentation explaining what you own and what happens next.

In some cases:

• Shares are transferred to you
• Or remain in the plan until a future event (such as an IPO or sale)

In private companies, shares may remain illiquid for years.⁴

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Repurchase obligations

Private companies may include a repurchase obligation, meaning they buy back your vested shares when you leave.

The price is usually based on a valuation method defined in the plan.¹⁰

Public companies are more likely to allow shares to be sold on the market (subject to restrictions).

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Timing considerations

Payouts are not always immediate:

• Some plans settle shortly after leaving
• Others delay payment until a liquidity event
• Some spread payments over several years¹¹

For UK employees in international companies, this can mean a long delay between leaving a role and receiving any value.

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Receiving ESOP payouts internationally with Wise

If you receive ESOP payouts from an overseas employer or brokerage, they may be paid in a foreign currency such as USD.

With a Wise account, you can:

• Hold money in 40+ currencies
• Convert currencies using the mid-market exchange rate
• Avoid hidden foreign exchange markups
• Send and receive international payments in one place

This can help you manage international payouts more efficiently — especially if you’re paid in one currency but spend in another.

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FAQs: ESOPs

Is an ESOP the same as a cash bonus?

No. An ESOP provides shares or rights to shares rather than immediate cash, so its value depends on company performance.

Do you make money from an ESOP automatically?

Not necessarily. ESOPs only have value if shares vest and the company grows or provides a way to sell them.

What happens to your ESOP if the company is sold?

In many cases, vested shares are paid out or converted as part of the sale. The exact outcome depends on the plan rules and deal structure.

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Sources used:

1. Ledgy – Employee Stock Ownership Plan
2. FS Club – Employee Share Ownership: An Introduction
3. ESOP Partners – How ESOP Shares Are Allocated
4. National Center for Employee Ownership – ESOP Vesting and Distribution Rules
5. Brown Winick – ESOP Eligibility
6. GOV.UK – Income Tax Rates
7. GOV.UK – Capital Gains Tax Allowances
8. Lewis Silkin – Share Incentive Plans (SIPs)
9. Travers Smith – Taxation of Share Plans
10. ESOP Partners – Repurchase Obligations
11. ESOP Partners – ESOP Distribution Timing

Sources last checked: 18 February 2026