No. You need a valid EIS3/EIS5, qualifying shares and investor eligibility, and enough UK Income Tax for the claim year.
Eis Income Tax Relief Calculator UK
Enter your values below to get the result first, then scroll for the full explanation and guidance.
Potential relief not calculated
Potential relief not calculated: Confirm eligibility (EIS/SEIS certificate and investor conditions required)
Confirm you hold the relevant compliance certificate and meet the investor and share conditions before using a numerical estimate.
What to watch
Confirm you hold the relevant compliance certificate and meet the investor and share conditions before using a numerical estimate.
Result snapshot
A quick visual read of the values behind this result.
This calculator updates instantly as your values change, so you can compare outcomes without extra steps.
This calculator cannot determine company or investor eligibility.
Try different values to compare results.
Estimate EIS Income Tax relief at 30% of qualifying subscriptions, subject to investor limits and the UK Income Tax you have available.
Potential relief not calculated
Potential relief not calculated: Confirm eligibility (EIS/SEIS certificate and investor conditions required)
Confirm you hold the relevant compliance certificate and meet the investor and share conditions before using a numerical estimate.
What to watch
Confirm you hold the relevant compliance certificate and meet the investor and share conditions before using a numerical estimate.
Result snapshot
A quick visual read of the values behind this result.
This calculator updates instantly as your values change, so you can compare outcomes without extra steps.
This calculator cannot determine company or investor eligibility.
Try different values to compare results.
Table of Contents
Table of Contents
About Eis Income Tax Relief Calculator UK
Eis Income Tax Relief Calculator UK helps you work through the main numbers for this topic quickly with a simple input flow and an instant result.
Use the calculator result as a practical starting point, then review the explanation and assumptions on the page if you want more context.
EIS claim limits
The annual limit is GBP 1 million for ordinary EIS subscriptions, with up to GBP 2 million total where amounts above GBP 1 million qualify as knowledge-intensive. Relief cannot exceed available UK Income Tax.
Formula explained
Calculation flow
This calculator is structured for fast UK-focused estimates with clear inputs, repeatable logic, and instant results.
Formula
Input values -> calculation engine -> instant result
How the result is built
Example
Confirm eligibility and enter your 2026/27 subscriptions and available Income Tax.
Assumptions
- For qualifying EIS shares issued and claimed in 2026/27 with a valid EIS3/EIS5 and user-confirmed eligibility. No carry-back, CGT, withdrawal or final tax-return outcome.
Source basis
- UK-focused calculator flow
- Structured input validation
- Instant result breakdowns
FAQ
Common questions
Trust and notes
Assumptions and important notes
This calculator is designed to give a fast estimate using the method shown on the page. Results are most useful when your inputs are accurate and the tool matches your situation.
Use the result as guidance rather than a final diagnosis or professional decision. If the result could affect health, legal, financial, or compliance decisions, verify it with a qualified source where appropriate.
- For qualifying EIS shares issued and claimed in 2026/27 with a valid EIS3/EIS5 and user-confirmed eligibility. No carry-back, CGT, withdrawal or final tax-return outcome.
Method
UK calculator guidance
Last reviewed
April 17, 2026