If you're raising your first round in the UK, SEIS should already be on your radar. It's the government-backed scheme that lets individual investors claim 50% income tax relief on investments up to £200k, plus capital gains relief on exit. For founders, SEIS eligibility unlocks a wider pool of capital — especially from angels and specific SEIS-focused funds. But not every investor is SEIS-compatible, and structuring your round to stay eligible takes care.
An SEIS-compatible VC is a venture capital firm structured to invest in SEIS-qualifying rounds. Most SEIS funds are dedicated vehicles — pooled capital from individual investors claiming their own tax relief. They invest only in companies with SEIS advance assurance and stick to the eligibility rules (under 25 employees, under £350k gross assets, trading under three years). Some funds combine SEIS with EIS tranches in the same round.
SEIS-compatible VCs typically write cheques between £50k and £250k, bounded by the £250k company SEIS limit (per the current rules). Round sizes are usually £250k–£500k at SEIS, often stacked with angel participation. Decisions can move quickly — many SEIS funds close deals in four to six weeks. Expect careful attention to your HMRC advance assurance, company age and trading status, since losing eligibility mid-round can kill the deal.
When comparing SEIS-focused VCs, consider:
The best SEIS funds are precise on eligibility and fast on execution. Mistakes here cost you the tax relief, and without it, the round often falls apart.
UK SEIS is one of the few parts of the funding ecosystem that's actually expanded. The £250k per-company limit (up from £150k) and higher individual allowances have pulled more capital into the earliest stage. But SEIS funds are also more selective — with more founders chasing the same pool, the bar on team and thesis is higher.
The right SEIS VC won't just write a cheque. They'll help you structure the round cleanly, bring aligned angel co-investors and keep your EIS follow-on options open — setting you up for a smoother seed twelve months from now.
SFC Capital (formerly Startup Funding Club) is a leading early-stage investment firm providing capital and support to British startups.
By combining our Angel Network and Seed Funds, we have created a unique model that allows investors to get exposure to SEIS- and EIS-qualifying businesses, either directly or through a diversified portfolio curated and managed by our expert team.
SFC’s Angel House was formed to extend our impact as leaders of the UK's seed funding ecosystem. Over hundreds of deals, our network of angel investors has catalysed some of Britain's most exciting entrepreneurs and startups. The Angel House gives investor members access to SFC's winning fund portfolio.
Green Angel Ventures is the UK’s largest network of specialist investors fighting climate change – more than 350 members have joined. Together, we invest exclusively in the startup companies with the best technology and innovative processes to help tackle the climate crisis. In 2023, we were named Early Stage Investor of the Year at the Green Business Awards.
DSW Ventures is a national firm of seed and early-stage venture capital investment specialists focusing on regional UK growth businesses. We invest in technology and tech-led businesses with talented founders and a highly-scalable market position.
Our typical investment is for £300,000 to over £1 million.
Our team of highly-experienced investors are passionate about empowering UK regional entrepreneurial talent. We go beyond being just ‘the money’ and add genuine value to our investments.
