Taxation (UK) · The use of exemptions and reliefs in deferring and minimising income tax liabilities

Tax-Efficient Investments: ISAs, EIS, SEIS and VCT

Updated 11 October 2026 · Fact-checked

Tax-efficient investments give relief for investing. ISAs give tax-free income and gains up to £20,000 a year. EIS, SEIS and VCT give an income tax reducer (30%, 50% and 30%), plus capital gains exemption on sale if the conditions are met. Only EIS also offers deferral of gains.

Understand Tax-Efficient Investments: ISAs, EIS, SEIS and VCT

Governments want people to fund small, risky companies and to save. So they give tax breaks. In TX-UK you must know four: ISAs, the Enterprise Investment Scheme (EIS), the Seed Enterprise Investment Scheme (SEIS) and Venture Capital Trusts (VCTs).

An ISA is the simple one. You can invest up to £20,000 in total each tax year. Interest, dividends and gains inside the ISA are tax-free. There is no income tax relief for putting money in, and you do not report ISA income on your return.

EIS, SEIS and VCT are different. They carry real risk, so the relief is bigger. You get an income tax reducer: a percentage of the amount invested comes off your income tax liability. The reducer cannot take your liability below zero, and it is not part of the cap on income tax reliefs. The income tax relief is withdrawn if you sell before the minimum holding period.

The capital gains tax side matters too. For EIS and SEIS shares, if you got income tax relief and it is not withdrawn (you hold the shares for 3 years), the gain on sale is exempt. For VCT shares, the gain on a disposal of ordinary shares in a VCT is exempt where the shares were acquired within the £200,000 annual limit. This exemption applies whatever the holding period. The 5-year holding period for a VCT only protects the income tax relief. It does not affect the capital gains exemption.

If you sell EIS or SEIS shares at a loss, the loss can be relieved against income or gains, but the cost is first reduced by the income tax relief you received. Relief against income is by claim, against income of the year of loss and/or the previous year. Because it is a deduction from income, share loss relief against income is itself subject to the cap on income tax reliefs (the higher of £50,000 or 25% of income). VCT shares are different: dividends are exempt from income tax, but losses on VCT shares are not allowable.

EIS also has deferral relief. You can defer a chargeable gain from any asset by reinvesting in EIS shares. The gain is not taxed now. It comes back into charge when the EIS shares are sold, or if the shares stop qualifying. You do not need to claim the income tax relief to claim deferral.

SEIS reinvestment relief, which exempted part of a gain reinvested in SEIS shares, applied only to gains arising in 2023-24 and earlier. It is not available for 2025-26 gains, so do not use it in this exam.

Key rules to remember

ISA subscription limit: Maximum investment = £20,000 per tax year (all ISA types combined); Given in the ACCA rates tables. Income and gains in the ISA are exempt. No relief for the money invested.
EIS income tax reducer: Reducer = 30% × amount invested (maximum £1,000,000 a year, or £2,000,000 if the excess is in knowledge-intensive companies); Learn these figures: they are not in the rates tables. Shares must be held for 3 years. Can be carried back to the previous tax year. Reducer cannot exceed income tax liability.
SEIS income tax reducer: Reducer = 50% × amount invested (maximum £200,000 a year); Hold the shares for 3 years. Can be carried back to the previous year.
VCT income tax reducer: Reducer = 30% × amount invested (maximum £200,000 a year); Hold the shares for 5 years to keep the income tax relief. The 5 years does not affect the CGT exemption. Cannot be carried back to the previous year. VCT dividends are exempt from income tax.
Capital gains exemption on sale: EIS and SEIS: gain exempt if income tax relief was given and not withdrawn (3-year period met). VCT: gain on disposal of ordinary shares in a VCT is exempt if the shares were acquired within the £200,000 annual limit, whatever the holding period; For a VCT, the 5-year period only protects the income tax relief. The gain exemption depends on the shares being ordinary shares in a VCT acquired within the annual limit, not on how long you hold them.
Allowable loss on EIS/SEIS shares: Loss = cost − income tax relief given − sale proceeds; Can be set against income of the year of loss and/or the previous year (by claim), or against gains. Relief against income is itself subject to the cap on income tax reliefs. VCT losses are not allowable.
EIS deferral relief window: Reinvest from 1 year before to 3 years after the gain arises; Any amount of gain on any asset can be deferred. Deferred gain is taxed when the EIS shares are disposed of.
Cap on income tax reliefs: Cap = higher of £50,000 or 25% of income; The cap applies to reliefs deducted from income, such as trading loss relief against general income, qualifying loan interest and share loss relief against income. EIS, SEIS and VCT reducers are not within this cap, as they reduce tax and are not deductions from income.

How to solve Tax-Efficient Investments: ISAs, EIS, SEIS and VCT questions

Use this order for any question on tax-efficient investments. It stops you mixing up the three schemes.

1Identify the investment: ISA, EIS, SEIS or VCT. Check the company type and the amount invested.
2Check the annual limit for the scheme. Cut the relevant amount down if the investment is larger than the limit.
3Work out the income tax reducer: investment × 30%, 50% or 30%.
4Compare the reducer with the income tax liability. The relief cannot make the liability negative. For EIS and SEIS only, check whether the investor can carry the investment back to the previous tax year. VCT relief cannot be carried back.
5Check the holding period: 3 years for EIS and SEIS, 5 years for VCT. If the shares are sold early, the income tax relief is withdrawn.
6For a disposal, decide if the gain is exempt. EIS and SEIS gains are exempt if the income tax relief was given and not withdrawn. A gain on ordinary shares in a VCT is exempt if the shares were acquired within the £200,000 annual limit, whatever the holding period. For an EIS or SEIS loss, reduce cost by the relief given first. If the loss is set against income, remember it is subject to the cap on income tax reliefs.
7If there is a gain from another asset, consider EIS deferral. Reduce the gain by the amount reinvested, then apply the annual exempt amount and the CGT rate.
8State clearly when any deferred gain or withdrawn relief comes back into charge.

Quickest way: Scheme comparison grid

When to use it: Use it for objective test questions that ask which scheme gives which relief.

Write EIS 30% / 3 years, SEIS 50% / 3 years, VCT 30% / 5 years on your scrap paper.
Write the limits next to them: £1,000,000 (or £2,000,000 for knowledge-intensive), £200,000, £200,000.
Remember that only EIS has deferral relief and only VCT has exempt dividends.
Remember that EIS and SEIS losses are allowable (after deducting relief) but VCT losses are not.
Always check the answer against the liability: the reducer cannot exceed the tax payable.

Common mistakes in Tax-Efficient Investments: ISAs, EIS, SEIS and VCT

Treating the EIS, SEIS or VCT relief as a deduction from income.
Students link relief with deductions such as pension contributions or Gift Aid.
Fix: The relief is a tax reducer. Work out the tax first, then subtract the percentage of the investment.
Letting the reducer take tax below zero or giving a refund.
Students apply 30% to the investment and stop.
Fix: Compare the reducer with the income tax liability. Use the lower figure. For EIS and SEIS only, the investor can instead carry the investment back to the previous tax year. VCT relief cannot be carried back.
Mixing up the holding periods.
The three schemes look alike.
Fix: EIS and SEIS: 3 years. VCT: 5 years. Selling early withdraws the relief.
Ignoring the income tax relief when calculating an EIS or SEIS loss.
Students use the full cost.
Fix: Loss = cost − relief given − proceeds. Then choose income or gains for the loss relief.
Applying the annual exempt amount before the deferral.
Students follow the usual CGT layout.
Fix: Deferral reduces the gain first. Then deduct the £3,000 annual exempt amount from the remaining gain.
Saying an ISA gives income tax relief on the amount invested.
Students assume every tax-efficient product gives relief up front.
Fix: An ISA only exempts the income and gains inside it. The limit is £20,000 a year.

Worked examples

Example 1

Ben has income tax liability of £15,000 for 2025-26 before any relief. In that year he invests £40,000 in qualifying EIS shares. He sells the shares after four years for £70,000. Calculate his income tax payable for 2025-26 and the tax treatment of the sale. Then assume instead he sells for £25,000.

Show the solution

EIS reducer = 30% × £40,000 = £12,000.
The reducer is less than his liability of £15,000, so it is given in full.
Income tax payable = £15,000 − £12,000 = £3,000.
Sale after four years: the 3-year holding period is met and the relief was not withdrawn.
Gain = £70,000 − £40,000 = £30,000. This gain is exempt from capital gains tax.
Alternative sale for £25,000: the shares were held for four years (more than 3), so the relief is not withdrawn.
Allowable loss = £40,000 − £12,000 − £25,000 = £3,000. The cost is reduced by the £12,000 income tax relief given.
This loss can be set against gains. Alternatively, Ben can claim to set it against his income of the year of loss and/or the previous year. Relief against income is given by claim only and is subject to the cap on income tax reliefs. A £3,000 loss is well within the cap, which is at least £50,000.

Answer: Income tax payable is £3,000. The £30,000 gain is exempt. If sold at £25,000, the allowable loss is £3,000 (cost reduced by the £12,000 relief given). It can be relieved against gains, or against income of the year of loss and/or the previous year by claim, subject to the cap on income tax reliefs.

Exam tips

Learn the relief rates, limits and holding periods in one grid. They are not in the exam rates tables, except the ISA limit of £20,000.
In a computation, show the reducer on its own line and compare it with the tax liability. Markers look for this.
For CGT, state the order: deferral first, then the annual exempt amount, then the rate of 18% or 24%.
In objective test questions, watch for the trap options: VCT with a 3-year holding period, or an ISA with income tax relief.
In written answers, say what happens if the shares are sold early or if the deferred gain is triggered.

Practice questions from The use of exemptions and reliefs in deferring and minimising income tax liabilities

Tax-Efficient Investments: ISAs, EIS, SEIS and VCT in other exams

The same ground in other exams, if you are preparing for more than one or want another angle on it.

ACCA Strategic ProfessionalTax Efficient Investments: EIS, SEIS and VCT

Tax-Efficient Investments: ISAs, EIS, SEIS and VCT: frequently asked questions

What is the difference between EIS and VCT income tax relief?

Both give a 30% income tax reducer. EIS needs a 3-year holding period and offers CGT deferral relief. VCT needs a 5-year holding period to keep the income tax relief, and its dividends are exempt from income tax. The VCT gain exemption does not depend on the holding period. EIS shares are in an individual company, while a VCT is a listed fund.

How does EIS capital gains deferral relief work?

You reinvest a gain from any asset into EIS shares within 1 year before or 3 years after the gain. The gain reinvested is not taxed now. It comes back into charge when you sell the EIS shares or they stop qualifying.

What is the ISA limit for TX-UK?

The overall investment limit is £20,000 per tax year, as given in the ACCA rates tables. Income and gains in an ISA are exempt. You get no income tax relief for the amount paid in.

Are EIS, SEIS and VCT reliefs subject to the cap on income tax reliefs?

No. They are tax reducers, not deductions from income. The cap, which is the higher of £50,000 or 25% of income, applies to reliefs deducted from income, such as trading loss relief against general income, qualifying loan interest and share loss relief against income.