SEIS support covers over 100% of your startup investment risk

SEIS covers startup investment

Until recently I hadn’t understood how generous the Seed Enterprise Investment Scheme is for investors in early-stage companies.

Investors can put up to £100k in qualifying companies, as long as they don’t control more than 30% of the SEIS company.

There are three overlapping benefits which mean you can recoup over 100% of your investment in tax offset if the companies goes bust, and get a 5x boost to the value of your initial investment if all goes well.  It sounds too good to be true, so use your allowance while it is still open!

SEIS investment

Let’s assume that you are an additional rate (45%) tax payer, and want to invest £10,000 of capital gains into an SEIS company.

What happens if that company eventually goes bust?

A. Reinvestment relief

Firstly you get a 50% reduction in the capital gains tax bill from gain reinvested.  If you realised a gain of at least £10k over and above the capital gains tax allowance from selling shares or property, then you can reclaim the tax on the amount you reinvest in the SEIS company.  At the 2014/2015 higher rate of 28% that is:

+ £2,800

B. Income tax relief

Next you can write 50% of your £10k investment off against your income tax bill from this year or last – even if you didn’t directly use that income to invest in the SEIS company.


C. Loss relief

If the company goes bust, then you can write a further 45% (your marginal tax rate) in the year you claim against your income tax bill. 45% times the £5,000 of investment the tax payer didn’t originally fund.



So of that £10k you have already recouped £2,800 + £5,000 + £2,250 = £10,050 from HMRC. Leaving you with a small gain to cover the inconvenience.

But look on the bright side! What if the company sells for double the value in a few years’ time?

This time you still get benefits A & B, but also keep the proceeds free of capital gains tax. So you put in £10k, but take £7,800 back off your tax bill, leaving you with £2,200 net exposure.  When you sell the shares for £20k, you have multiplied your capital at risk 9 times

An investment in an equivalent non-SEIS company would have yielded £20k, less capital gains tax of £2,800 = £17,200 (1.7x your investment)

So you get more than five times the net gain from the SEIS investment.


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