What Is an EMI Option Scheme? Complete Guide for UK Startups (2026)

Fast‑growing startups must attract and retain talent without matching big‑company salaries. An EMI scheme addresses this dilemma by giving employees the right to buy EMI shares later at a fixed price, aligning incentives and preserving cash.

The scheme is particularly relevant in 2026 because eligibility thresholds have increased and tax reliefs are shifting: companies can grant twice as many options and have larger assets and headcounts, while Business Asset Disposal Relief rates are due to rise. Understanding how EMI works, who qualifies and how to set it up is essential for founders navigating these changes.

This guide explains what the Enterprise Management Incentive (EMI) is, how to use EMI options effectively, who qualifies and what the 2026 changes mean. It also compares EMI with the Enterprise Investment Scheme, outlines costs and gives step‑by‑step instructions to set up a compliant scheme. A final section examines the strategic impact of the new rules and offers next steps for founders looking to implement an EMI scheme.

What Is an EMI Option Scheme?

The Enterprise Management Incentive (EMI) is a government‑backed tax‑advantaged share‑option plan for employees of small and medium‑sized companies. Instead of issuing shares outright, the company grants the right, an option, to buy shares at a pre‑agreed exercise price. Employees can exercise their options later, usually when the company is sold, listed or after a vesting period. This approach offers upside without upfront cost and defers tax until value is realised.

EMI is distinct from the Enterprise Investment Scheme (EIS). EMI supports employees through options, while EIS incentivises external investors with income‑tax relief and capital‑gains tax (CGT) exemptions. Companies often use both: EIS or the seed variant SEIS to attract early capital and an EMI option scheme to hire and retain staff. For confused founders searching “what is EMI,” the difference is that EIS targets investors and EMI targets employees.

In practice, EMI grants work like this: the employee receives the right to buy shares at a fixed price, but not the shares themselves. HMRC approval gives the options tax‑advantaged status; companies must submit a valuation and notify grants within 92 days. The scheme is restricted to independent, qualifying‑trade companies with limited assets and headcounts. From 2026, those caps expand significantly, bringing more scale‑ups into the fold.

By granting EMI shares rather than pay increases, founders give employees a tangible stake in future value without upfront cost. In return, employees accept some risk: their options may never become valuable if the company underperforms or fails. The following sections explain why startups choose EMI, who qualifies and how to implement a scheme correctly.

Why Do UK Startups Use EMI Share Options?

High‑growth companies cannot match large salaries but can share potential upside. An EMI option scheme attracts candidates who value a stake in the business, aligns employees with long‑term growth because options vest over time and conserves cash for product development. Compared with unapproved options, EMI offers significant tax advantages: employees pay no income tax or National Insurance on grant or exercise, and employers deduct the difference between exercise price and market value on exercise from their corporation‑tax bill. These features make EMI a central component of UK startup compensation packages. However, strict eligibility requirements apply, as explained next.

Eligibility Criteria for Companies and Employees

EMI is designed for small, independent companies and their employees. Qualifying companies must be independent, carry on a permitted trade and stay below asset and headcount limits: gross assets no more than £30 million and fewer than 250 employees (rising to £120 million and 500 employees from April 2026). Excluded activities include banking, farming and property development. The pool of unexercised options cannot exceed £3 million (increasing to £6 million after the reforms).

Employees must be under a contract of employment, work at least 25 hours a week or 75% of their working time and hold less than 30% of the company’s shares. Each employee can hold up to £250,000 of unexercised options over a three‑year period. Breaching any of these thresholds renders the options unapproved and triggers income‑tax charges. Clear agreements and monitoring of hours and shareholdings are essential.

How Do EMI Options Work? Mechanics

An EMI option scheme has three stages: grant, vesting and exercise. First, the company values its shares to set an exercise price. Engaging a professional to agree a valuation with HMRC costs roughly £500–£2,000. The board then approves option grants and issues written agreements specifying the exercise price, number of options and vesting schedule. Most schemes use a one‑year cliff followed by monthly vesting over a further two or three years, though exit‑only or performance‑based vesting is also common.

Once vested, employees may exercise their options. They pay the exercise price and receive EMI shares. If the market value at exercise exceeds the exercise price, the difference is the gain. Because EMI options are approved, there is no income tax or National Insurance on grant or exercise, provided the exercise price equals the market value at grant. If the company grants options at a discount, the discount is taxed as income. When employees later sell their EMI shares, the gain is subject to capital gains tax. Employers can claim a corporation‑tax deduction equal to the difference between the market value at exercise and the exercise price.

To illustrate, imagine an employee receives 40,000 EMIs at a £1 exercise price when the company is valued at £1 per share. The options vest over three years. Five years later, the company is sold for £12 per share. The employee pays £40,000 to exercise and sells the EMIs for £480,000, realising a £440,000 gain. Because the exercise price equalled the market value at grant, there is no income tax or National Insurance on exercise. The £440,000 gain is taxed as a capital gain, potentially reduced by Business Asset Disposal Relief if the EMI shares meet the two‑year holding condition. The employer deducts the same £440,000 from its taxable profits.

Tax Advantages of EMI Share Options

EMI’s headline benefit is its favourable tax treatment. No income tax or National Insurance is due when EMI options are granted or when they are exercised at the market value at grant. Gains are taxed only when the employee sells the shares, and then they are taxed as capital gains; Business Asset Disposal Relief can reduce the rate to 14%–18% if the shares are held for two years. The employer also benefits by claiming a corporation‑tax deduction equal to the difference between the market value at exercise and the amount paid. Compliance is essential: missing the 92‑day HMRC notification or granting options at a discount converts the gain into taxable income.

EMI vs Enterprise Investment Scheme (EIS)

Although their acronyms are similar, EMI and the Enterprise Investment Scheme serve different purposes. EMI motivates employees by granting share options with favourable tax treatment when exercised and sold. EIS and the seed scheme SEIS reward external investors with 30% income‑tax relief and CGT exemptions on qualifying shares held for three years. A startup can run both: raise capital under SEIS/EIS and then grant EMI options to attract and retain talent. Clarifying the distinction helps founders choose the right mechanism for employees and investors.

How Much Does an EMI Scheme Cost?

Setting up an EMI option scheme involves one‑off and ongoing costs. Transparent budgeting helps avoid surprises:

• Valuation – before granting options, a company must obtain a reasonable valuation of its shares. A formal valuation negotiated with HMRC via the VAL231 form usually costs between £500 and £2,000 through a traditional accountant. New platforms and advisers (including Undo Capital) often offer lower fixed fees.
• Legal documentation – drafting scheme rules and individual option agreements typically costs £1,500–£3,000 when using external lawyers. These documents cover vesting schedules, leaver provisions and option mechanics. Some online platforms bundle these documents with valuation services.
• HMRC registration – registering the scheme is free, but the company must notify HMRC via the Employment Related Securities (ERS) portal within 92 days of each grant. Failing to do so invalidates the tax relief.
• Ongoing administration – the company must file an annual EMI return each July. If using an online platform, annual subscription fees can range from £500 to £2,500, depending on the number of option holders. DIY administration requires internal time and risk of error.

Compared with paying market‑rate salaries, these costs are modest. Most founders view them as necessary investments to secure top talent. Moreover, the corporation‑tax deduction on exercise can offset much of the expense.

How to Set Up an EMI Scheme

Implementing an EMI scheme can be distilled into a few key actions. First, confirm that both the company and employees meet the eligibility tests (independence, qualifying trade, asset and headcount limits; working‑time requirements; share‑ownership and option caps). Next, obtain a defensible share valuation and prepare scheme rules and option agreements detailing vesting and leaver provisions. Finally, grant options, notify HMRC within 92 days, file annual returns and monitor vesting and exercises. Professional advisers or platforms can streamline these steps and reduce the risk of missing deadlines.

Planning Tips and Pitfalls

Even well‑designed EMI schemes can fail if certain steps are missed. The most common trap is forgetting to notify HMRC within 92 days; unnotified grants lose their approved status and trigger income tax and National Insurance. Accurate valuations are also crucial: a low valuation creates a taxable discount, while an outdated valuation can invalidate a grant. Grant options only to eligible employees who work sufficient hours and hold less than 30% of the company. Maintain proper scheme documentation and file annual returns; neglecting ongoing compliance leads to penalties. Using a specialist platform can help founders avoid these pitfalls and keep their EMI option scheme compliant.

Next Steps for Founders

An EMI scheme is one of the most powerful tools available to UK startups. It helps founders recruit and retain talent, preserves cash and confers substantial tax advantages when done correctly. The 2026 reforms expand eligibility and allow later‑stage scale‑ups to access the scheme, opening a wider universe of companies and employees. Yet the benefits depend on strict compliance with HMRC rules: verifying company and employee eligibility, obtaining valuations, drafting sound agreements and meeting notification deadlines.

If you are considering an EMI scheme, the next step is to assess eligibility and design a plan that aligns with your business goals. Undo Capital specialises in guiding founders through the entire process: from checking qualifying trade and employee criteria to obtaining HMRC valuations and preparing scheme documentation. Their platform also offers tools for cap table management, eligibility checks and data room preparation that integrate seamlessly with both EMI and EIS/SEIS workflows.

By acting early and combining strategic investment incentives (SEIS/EIS) with employee incentives (EMI share options), founders can build resilient businesses and attract capital in an increasingly competitive market.

Book a quick demo with Undo Capital to see how an EMI option scheme can work for your startup. Get clear answers, avoid costly mistakes, and set up your scheme the right way from day one.