Accounting technology / Glossary / Scenario planning

What is scenario planning in finance?

Definition

Scenario planning is modelling several possible versions of the future, typically a base case, an upside and a downside, to see how each would affect revenue, profit, cash and funding needs. It helps a business decide in advance what it would do if conditions change, such as cutting costs, pausing hiring or raising finance.

Also calledwhat-if analysisscenario analysisscenario modelling

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Typical cases: Base, upside, downside
Shows effect on: Profit, cash and funding
Narrower tool: Sensitivity analysis

How scenario planning works

Finance starts from a base forecast and identifies the few assumptions that matter most, such as sales growth, pricing, churn, interest rates or exchange rates. Each scenario changes those assumptions together in a consistent way: a downside might combine slower sales with longer customer payment times. The model then shows the effect on the profit and loss, balance sheet and cash, and whether loan covenants or cash runway are at risk. Sensitivity analysis is a narrower tool that changes one assumption at a time. Good scenario plans include trigger points, the measures that show which scenario is unfolding, and the actions agreed for each. Spreadsheets can handle a few scenarios; planning software keeps many versions side by side, linked to the same drivers, so they can be updated and compared quickly.

Common questions

What is the difference between scenario planning and sensitivity analysis?+

Sensitivity analysis changes one assumption at a time to see its effect. Scenario planning changes several related assumptions together to describe a coherent possible future.

How many scenarios should a company model?+

Usually three to five. Fewer leaves risks unexplored; many more becomes hard to act on. Each should be plausible and lead to different decisions.

How often should scenarios be updated?+

When the forecast is updated, and whenever a major change, such as a funding event, a big customer loss or a market shock, makes the existing scenarios out of date.