--- title: "Free eBook: The Sapphire Guide to EIS and SEIS 2026/2027 | Sapphire Business Advisers" description: "Download our free plain-English guide to EIS and SEIS for 2026/2027: the company rules, the tax reliefs investors receive, Advance Assurance and claiming relief." --- [![Sapphire Business Advisors](https://www.sapphirebusinessadvisers.co.uk/hubfs/Sapphire%20Adviser%202026%20Assets/Sapphire%20Business%20Advisors.svg)](https://www.sapphirebusinessadvisers.co.uk?hsLang=en-gb) [![Sapphire Business Advisors](https://www.sapphirebusinessadvisers.co.uk/hubfs/Sapphire%20Adviser%202026%20Assets/Sapphire%20Business%20Advisors.svg)](https://www.sapphirebusinessadvisers.co.uk?hsLang=en-gb) - [About us](https://www.sapphirebusinessadvisers.co.uk/about) - [Services](https://www.sapphirebusinessadvisers.co.uk/services) - [Why Us](https://www.sapphirebusinessadvisers.co.uk/why-us) - [Contact](https://www.sapphirebusinessadvisers.co.uk/contact) - [Pricing](https://www.sapphirebusinessadvisers.co.uk/pricing) - [Blog](https://www.sapphirebusinessadvisers.co.uk/client-success-stories) Free eBook · 2026/2027 tax year # The Sapphire Guide to EIS and SEIS A plain-English guide to the two schemes, written by our senior advisers. Understand the rules your company must meet, the tax reliefs your investors will be looking for, and where Advance Assurance fits in, so you can raise with confidence. [Download the free eBook](https://www.sapphirebusinessadvisers.co.uk/ebook/the-sapphire-guide-to-seis-eis-advance-assurance#sba-ebook-form) What is included ## Everything you need to know about EIS and SEIS 1. Key facts, including the bigger company limits from 6 April 2026 2. The difference between EIS and SEIS, and which fits your stage 3. The rules on trading age, employees, gross assets and fundraising limits 4. The tax reliefs investors receive, with worked examples 5. Knowledge intensive companies and their higher limits 6. Risk, diversification and the risk-to-capital condition 7. Advance Assurance, the EIS1 to EIS3 process and claiming relief 8. Exit options, and what investors expect after they invest Ready to apply? [See our SEIS and EIS Advance Assurance service](https://www.sapphirebusinessadvisers.co.uk/seis-eis-advance-assurance?hsLang=en-gb) or [book a free 15-minute call](https://www.sapphirebusinessadvisers.co.uk/ebook/the-sapphire-guide-to-seis-eis-advance-assurance#contact-us-popup). ## Get your free copy Tell us where to send it. We will only use your details to send you the guide and to follow up about it. ## One Sapphire. Many ways to work with us.\_ From deal origination to fund administration, discover the businesses and platforms that extend the Sapphire network. ![Sapphire Capital Partners logo](https://www.sapphirebusinessadvisers.co.uk/hubfs/One%20Sapphire/Sapphire%20Capital%20Partners%20logo.svg) We help visionaries set up and manage venture capital funds, from first close to final exit. Reach out to us at: [boyd@sapphirecapitalpartners.co.uk](mailto:boyd@sapphirecapitalpartners.co.uk) Visit web: [www.sapphirecapitalpartners.co.uk](https://www.sapphirecapitalpartners.co.uk/) ![DealsFlow logo](https://www.sapphirebusinessadvisers.co.uk/hubfs/One%20Sapphire/DealsFlow%20logo.png) Connecting investors and opportunities through a streamlined, transparent deal flow platform. Discover curated deals and the tools to move on them with confidence. Reach out to us at: [mingze@sapphirecapitalpartners.co.uk](mailto:mingze@sapphirecapitalpartners.co.uk) Visit web: [www.dealsflow.co.uk](https://www.dealsflow.co.uk/) ![Emerald logo](https://www.sapphirebusinessadvisers.co.uk/hubfs/One%20Sapphire/Emerald%20logo.webp) Reliable fund administration and support for managers who want to focus on performance. Accurate, compliant and responsive at every stage of the fund lifecycle. Reach out to us at: [boyd@sapphirecapitalpartners.co.uk](mailto:boyd@sapphirecapitalpartners.co.uk) Visit web: [www.emeraldfundservices.com](https://www.emeraldfundservices.com/) ![Sapphire Insight Fund logo](https://www.sapphirebusinessadvisers.co.uk/hubfs/One%20Sapphire/Sapphire%20Insight%20Fund%20logo.svg) A Sapphire Capital Partners venture capital fund, currently in development. Reach out to us at: [boyd@sapphirecapitalpartners.co.uk](mailto:boyd@sapphirecapitalpartners.co.uk) Visit web: [insight.sapphirecapitalpartners.co.uk](https://insight.sapphirecapitalpartners.co.uk/) ![Sapphire PISCES logo](https://www.sapphirebusinessadvisers.co.uk/hubfs/One%20Sapphire/Sapphire%20PISCES%20logo.svg) Sapphire Capital Partners’ PISCES offering for private company shares, currently in development. Reach out to us at: [boyd@sapphirecapitalpartners.co.uk](mailto:boyd@sapphirecapitalpartners.co.uk) Visit web: [pisces.sapphirecapitalpartners.co.uk](https://pisces.sapphirecapitalpartners.co.uk/) ![Sapphire EPUTS logo](https://www.sapphirebusinessadvisers.co.uk/hubfs/One%20Sapphire/Sapphire%20EPUTS%20logo.svg) Sapphire Capital Partners’ Exempt Property Unit Trust offering, currently in development. Reach out to us at: [boyd@sapphirecapitalpartners.co.uk](mailto:boyd@sapphirecapitalpartners.co.uk) Visit web: [eputs.sapphirecapitalpartners.co.uk](https://eputs.sapphirecapitalpartners.co.uk/) × A free, no-obligation 15-minute call with a senior adviser about your raise. We can talk through SEIS and EIS Advance Assurance, a fundraising readiness review, a business valuation or board support, and tell you honestly what you need, and what you do not. Nothing to prepare in advance. Boyd Carson co-founded the Sapphire group in 2009. He spent 12 years in PwC’s M&A due diligence practice in New York, has founded and exited a number of start-ups, and is an Honorary Professor and an Assistant Instructor on Harvard University’s graduate course in venture capital. [Download the free eBook](https://www.sapphirebusinessadvisers.co.uk/ebook/the-sapphire-guide-to-seis-eis-advance-assurance#sba-ebook-form) ![SBA Logo](https://www.sapphirebusinessadvisers.co.uk/hubfs/Sapphire%20Adviser%202026%20Assets/SBA%20Logo.svg) Sapphire Business Advisers provides specialist advisory services to early-stage and growing companies, including SEIS and EIS advance assurance, valuations, consulting and non-executive director support. ## Company [About Us](https://www.sapphirebusinessadvisers.co.uk/about?hsLang=en-gb) [Services](https://www.sapphirebusinessadvisers.co.uk/services?hsLang=en-gb) [Contact](https://www.sapphirebusinessadvisers.co.uk/contact?hsLang=en-gb) [Blog](https://www.sapphirebusinessadvisers.co.uk/client-success-stories?hsLang=en-gb) [Why Us](https://www.sapphirebusinessadvisers.co.uk/why-us?hsLang=en-gb) [Pricing](https://www.sapphirebusinessadvisers.co.uk/pricing?hsLang=en-gb) ## Services [SEIS & EIS Advance Assurance](https://www.sapphirebusinessadvisers.co.uk/seis-eis-advance-assurance?hsLang=en-gb) [Business Valuations](https://www.sapphirebusinessadvisers.co.uk/business-valuations?hsLang=en-gb) [Fundraising Readiness Review](https://www.sapphirebusinessadvisers.co.uk/fundraising-readiness-review?hsLang=en-gb) [Non-Exec Director Support](https://www.sapphirebusinessadvisers.co.uk/non-executive-director-support?hsLang=en-gb) ## Contact [Email Us](mailto:boyd@sapphirebusinessadvisers.co.uk) [Schedule A Call](https://www.sapphirebusinessadvisers.co.uk/ebook/the-sapphire-guide-to-seis-eis-advance-assurance#contact-us-popup) ## Legal [Privacy Policy](https://www.sapphirebusinessadvisers.co.uk/privacy-and-ai-policy?hsLang=en-gb) [Terms & Conditions](https://www.sapphirebusinessadvisers.co.uk/terms-conditions?hsLang=en-gb) © 2026 Sapphire Business Advisers. 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