The Seed Enterprise Investment Scheme is one of the most generous government-backed incentives for early-stage investors — high-growth potential with exceptional tax efficiency.
SEIS lets you invest in innovative startups and claim up to 50% income tax relief on investments of up to £200,000 per year. Any profits from a successful exit are completely free of capital gains tax after three years. Losses can be offset against other income, reducing your overall risk.
In short, SEIS gives you a powerful combination of high-growth potential and exceptional tax efficiency — helping you back ambitious founders while protecting your downside.
Claim up to 50% back on investments of up to £200,000 per tax year.
Profits on a successful exit are tax-free after holding shares for three years.
If it doesn't work out, losses can be offset against your other income.
Reinvesting an existing gain into SEIS shares can shelter part of that gain.