Guides & Resources
In-depth guides with calculators for every startup equity question.
Salary vs Equity: What Are You Giving Up?
Compare a higher salary with a larger startup equity grant. Worked examples show cash sacrificed, dilution, and a simplified break-even exit value.
Startup Equity Offer Checklist
A free checklist for reviewing a startup equity offer: ownership, vesting, exercise costs, dilution and liquidity. Bring concrete questions to your employer.
CTO Equity Calculator
Calculate what CTO equity is worth at Seed, Series A and beyond. Benchmark your package against London and US markets.
Startup Equity Calculator
Free startup equity calculator. See paper value, exit scenarios, and whether your equity grant is competitive.
EMI Options Calculator
Calculate the value of UK EMI share options. Model exit proceeds and estimated tax under current UK BADR rates.
Founder Dilution Calculator
Model founder dilution through Seed, Series A, B and C. See how fundraising and option pools affect your ownership.
Is 0.1% Equity Good?
Is 0.1% startup equity a good deal? Depends on stage, role, and valuation. Compare against benchmarks and calculate actual value.
What Is My Startup Equity Worth?
Find out what your startup equity is worth today and at exit. Free calculator with dilution and tax modelling.
Series A Dilution Calculator
Calculate how Series A fundraising dilutes your ownership. Model pre-money valuation, investment size, and option pool increases.
CTO Equity in London 2026
2026 benchmarks for CTO equity and salary at London startups. Seed to Series A packages, typical ownership %, and what your grant could be worth at exit.
Series A Engineer Compensation
What do engineers earn at Series A startups? Salary ranges, equity grants by level, and how to benchmark your offer in London and the US.
Engineer Equity at Seed Stage
Seed-stage engineer equity benchmarks by level. Typical ownership %, salary trade-offs, and how to calculate what your grant is worth.
Startup Equity Tax in the UK
How UK tax applies to startup equity: EMI options, unapproved options, CSOP, and capital gains. Estimate exit tax with our EMI calculator.
How Much Equity Should a Founder Keep?
Model founder ownership after Seed and Series A. Typical dilution per round, option pool impact, and how much founders retain by Series B.