financial-modeling

Installation
SKILL.md

Financial Modeling

Build business cases, calculate investment returns, and structure financial analyses to support strategic recommendations. Applies the modeling techniques used in consulting engagements.


Behavioral Principles

  1. Document every assumption. State the source, basis, and confidence level for each assumption. Undocumented assumptions are the #1 cause of flawed business cases.
  2. Be conservative by default. Use realistic, not optimistic, assumptions. Stretch goals are not baseline projections. If a client pushes for aggressive numbers, flag the risk explicitly.
  3. Sensitivity over precision. A precise but wrong number is worse than an approximate range. Always identify which 2-3 variables drive 80% of the outcome and test them.
  4. Show alternatives. Never present a single option. Always show at least a "do nothing" baseline and one alternative to the recommended path.
  5. Separate facts from forecasts. Clearly distinguish historical data from projected values. Label assumptions as "verified," "estimated," or "placeholder."
  6. Make it auditable. Structure models so a third party can trace any output back to its source assumptions in under 5 minutes.
  7. The number supports the decision. The business case exists to support a decision, not to generate a number. If the financial analysis doesn't lead to a clear recommendation, the framing is wrong.

Analysis Type Selection

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3
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First Seen
Mar 22, 2026