The answer lives in this podcast

Answer extracted from The Responsible Finance Podcast — listen to the full episode below.

🎧 Listen to the episode on Listenly

Does grant funding reduce your SEIS tax relief eligibility?

September 8, 2026 The Responsible Finance Podcast · Kate Barnard

← See the The Responsible Finance Podcast fiche

Grant funding classified as de minimis counts directly against your SEIS eligibility limit, meaning every pound of grant you receive reduces the amount of tax relief available to investors. When Enjoy the Air received £65,000 in grant funding, it reduced the founder's SEIS eligibility from the full £250,000 limit to just £185,000—effectively funding the business with one hand while taking tax relief away with the other.

The interaction between grants and SEIS eligibility creates a counterintuitive funding challenge for early-stage startups. De minimis grants are treated as "raised funds" under the scheme rules, which means they're subtracted from your total eligible investment capacity. This becomes particularly acute when you've received support from government or quasi-government bodies.

As detailed in The Responsible Finance Podcast episode, this dynamic emerged sharply in April 2024, when the SEIS limit increased from £150,000 to £250,000 under the mini budget. While founders like Kate Barnard initially celebrated the higher ceiling, the presence of prior grant funding immediately narrowed their real headroom. The windfall became a mirage for businesses that had already accessed grant schemes to validate their ideas.

The mismatch between support schemes

What makes this worse is that grants and SEIS operate under the same regulatory umbrella yet with opposing incentives. Grants encourage early validation and de-risk the venture; SEIS encourages private investor participation through tax relief. A founder who is "successful" enough to secure grant backing becomes penalized in the eyes of the SEIS framework, which views that same funding as evidence of already-raised capital.

Kate Barnard's situation illustrates the real cost: she had to choose between continuing to explore additional SEIS investment (limited to £185,000) or exploring alternative funding paths that would not further erode her tax-relief ceiling. The scheme's architecture doesn't account for the reality that early-stage founders often stack multiple funding sources—and every pound from a grant is a pound less available for private equity willing to accept SEIS terms.

There's also a broader question about startup support design. Funders—both grant-giving bodies and the SEIS administrators—rarely coordinate on what happens when a startup receives both forms of backing, creating a perverse incentive structure where the most help you receive from one scheme directly undermines your access to another. This is explored at length in the full episode discussion on startup finance and funder coordination.

See also