EIS Deferral Relief: Strategic Capital Gains Planning

The Enterprise Investment Scheme (EIS) is a government initiative designed to encourage investment in higher-risk, early-stage trading companies. While often cited for its Income Tax relief (30%), its most powerful tool for asset management is EIS Deferral Relief.

This mechanism allows investors to treat a capital gain realized on the disposal of an asset as if it has not yet occurred. By reinvesting that gain into qualifying EIS shares, the Capital Gains Tax (CGT) liability is “frozen” until a later date. This effective form of Capital Gains Tax deferral preserves capital today, allowing it to work for you in a new investment rather than being immediately paid to HMRC.

Eligibility for EIS Deferral Relief

Not every share subscription qualifies. To ensure compliance and successfully claim EIS Deferral Relief, specific conditions regarding both the investor and the company must be met.

• New Shares Only: You must subscribe for new shares; you cannot purchase existing shares from another shareholder.
• Trading Requirement: The company must be an unquoted, trading company (or the parent of a trading group) with a permanent establishment in the UK.
• Risk to Capital: The investment must genuinely be at risk; schemes structured solely for tax avoidance will be disqualified by HMRC.
• No Connection Limit: Unlike Income Tax relief, you can be connected to the company (holding more than 30% of shares) and still claim Deferral Relief.

The Deferral Mechanism: A Practical Example

Consider an investor who sells a buy-to-let property or a portfolio of non-ISA shares.

The Scenario

Disposal Proceeds: £100,000

Chargeable Gain: £40,000 (after deducting costs and the original purchase price).

2025/26 Annual Allowance: £3,000.

Taxable Gain: £37,000.

Without Deferral

The investor pays CGT immediately. For a higher-rate taxpayer selling residential property, this could be 24% on the gain (£8,880 tax bill).

With EIS Deferral

The investor subscribes £40,000 into qualifying EIS companies.

• Immediate Tax: £0. The £40,000 gain is deferred.
• Capital Deployment: The full proceeds are available for investment, maximising potential future growth.

Common Questions About Deferral Relief

When does the deferred tax become payable?

The deferred gain “crystallises” (becomes payable) upon a “chargeable event.” The most common events are: 1) The sale of the EIS shares, 2) The company ceasing to be EIS-qualifying within three years, or 3) The investor becoming non-UK resident within three years.

Can I combine EIS Deferral Relief with BADR?

Yes, but with a major caveat. If you defer a gain that qualified for the 10% Business Asset Disposal Relief (BADR) rate, that specific 10% rate is lost. When the gain revives in the future, it will be taxed at the standard prevailing CGT rates (currently up to 20% or 24%), unless the new disposal also qualifies for relief.

What happens if I die while holding the EIS shares?

This is a significant estate planning benefit. If you hold the EIS shares until death, the deferred capital gain is eliminated entirely and does not come back into charge. Furthermore, if held for two years, the shares usually qualify for Business Relief (BR), exempting them from Inheritance Tax (IHT).