A Founder’s Guide · UK · 2026

The SEIS & EIS Playbook.

What HMRC actually looks for.

The patterns behind the rejections, the language behind the approvals, and the nine tests every advance assurance application is read against, written by the founder of the UK’s first SEIS fund.

What’s inside

Eight sections, 78 pages

IWhy most rejections happen
IIThe nine tests HMRC actually applies
IIIThe red-flag language audit
IVWhat a strong application contains
VA worked annotated example
VIEdge cases and judgement calls
VIIWhen to self-submit, when to get help
VIIIAbout Seisly

Free to read in full, no sign-up required. Start with Why most rejections happen.

78 pages|First edition · February 2026|Published by Seisly · A product of Litigo Limited