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Practical finance for founders

Guides on cash flow forecasting, burn and runway, fundraising and financial planning, written for people who would rather build than model.

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Financial Operating System 101: the complete guide

New to financial operating systems? Begin with the guide founders send their co-founders before their first board meeting: replacing spreadsheets and taking control of cash, runway and the raise.

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Unit economics (LTV, CAC, churn, burn rate, runway)7 Nov 2026

Contribution Margin for Startups: Formula, Costs, Break-Even and Forecasting

Learn how startups calculate contribution margin, classify variable costs, compare it with gross margin, and use it for break-even and runway forecasts.

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FP&A for early-stage companies3 Nov 2026

What Is AOP in Finance? A Startup Guide to Annual Operating Plans

What is AOP in finance? Learn how startups build an annual operating plan, separate it from a budget, model cash, and review performance in the UK and US.

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Financial operating systems vs spreadsheets/traditional tools30 Oct 2026

When Should a Startup Replace Spreadsheets With FP&A Software?

Learn when startups outgrow spreadsheets, which FP&A functions to automate first, how to compare tools, and how to migrate without disrupting reporting.

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Venture capital & fundraising strategy26 Oct 2026

Berkus Method vs. Scorecard Method: How to Value a Pre-Revenue Startup

Compare the Berkus and Scorecard methods for pre-revenue startup valuation, including inputs, weights, dilution, benchmarks, and UK and US fundraising limits.

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Unit economics (LTV, CAC, churn, burn rate, runway)22 Oct 2026

SaaS CAC Calculator: Formula, Payback Period, LTV:CAC, and Tools

Learn how to calculate SaaS CAC, CAC payback, and LTV:CAC with clear formulas, cost rules, benchmarks, and tools for startup planning.

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