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UK Capital & Dilution Engineering
UK Startup Funding, Dilution & ROI Hub
Model your blended capital strategy across SEIS/EIS equity, Innovate UK non-dilutive grants, HMRC R&D tax credits, and British Business Bank loans. Calculate founder equity preservation, runway expansion, and angel investor downside risk.
SEIS Upfront Relief
50%
Income tax deduction
Innovate UK Grants
0% Dilution
Non-repayable grants
HMRC R&D Reclaim
Up to 27%
Cash credit on R&D spend
BBB Start Up Loan
6% Fixed
Up to £25k per founder
Funding Mix & Valuation Inputs
Customise UK equity, grants, and tax credits
£2,000,000
£250k (Pre-Seed)£2m (Seed)£10m (Series A)
£300,000
£100,000
Government innovation grants require £0 equity dilution and no monthly loan repayments.
£120,000
Estimated HMRC ERIS Cash Credit (26.97%):£32,364
£25,000
Fixed at 6% p.a. Up to £25k per director (max £100k across 4 co-founders).
£25,000/mo
3.5x
Blended Capital Stack
£457,364
18.3 Months Total Runway
Capital Stack Breakdown34% Non-Dilutive
Equity: £300,000
Grant: £100,000
R&D Credit: £32,364
Loan: £25,000
Post-Money Valuation
£2,300,000
Pre-Money + Equity Raise
Founder Equity Retained
87.0%
13.0% Dilution to Investors
Equity Saved via UK Grants
+5.6%
Worth £128,075 today
Runway Extension Boost
+6.3 Mo
From Grants, R&D & BBB Loan
Next Round Value Forecast (3.5x)£8,050,000
Founder Stake Value at Next Milestone:£7,000,000
Extra value generated from non-dilutive equity preserved:+£448,264
HMRC Tax Relief Round AllocationHMRC Annual Rules
SEIS Tranche (50% relief)
£250,000
Max £250,000 cap
EIS Tranche (30% relief)
£50,000
Up to £5m / year
Frequently Asked Questions
Everything you need to know about UK startup funding and dilution
Deploy Capital Efficiently
Accelerate Post-Funding Revenue & Customer Acquisition
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