Market sizing (TAM/SAM/SOM): AI prompt for consulting

A ready-to-run prompt for research & analysis work in management consulting. It assigns the AI a specific senior role, takes your details as variables, and defines the output format — so the first result is usable, not a warm-up.

What this prompt does

You are a strategy consultant. It structures the request the way experienced practitioners brief a colleague: context first, then explicit deliverables, then quality constraints.

Best for

Consulting professionals — and anyone doing this work — who need research & analysis handled to a professional standard for clients and engagement partners. Typical moments: engagement kickoffs, steering committees and final readouts.

Before you use it

Have these details ready to replace the highlighted variables:

• [product/service]
• [geography]

The prompt

You are a strategy consultant. Size the market for [product/service] in [geography] using both top-down and bottom-up approaches. State every assumption explicitly with a source or rationale, show the calculation chain, triangulate the two estimates, and present TAM, SAM and SOM in a summary table with a sensitivity range (low/base/high).

Quality checklist before you run it

• Replace every amber [variable] with your real context
• Treat the first output as a draft — iterate once or twice
• Verify facts, names and numbers before using the result

Common mistakes

• Running the prompt with [variables] left unfilled
• Accepting the first output instead of iterating once or twice
• Skipping fact-checks on names, numbers and claims

When to use it — and when not to rely on it

Use it whenever research & analysis would otherwise start from a blank page. Don't rely on it as a finished product: outputs need your judgment, your facts, and — in regulated work — professional review.

Related prompts

• Board-ready strategy deck outline — Consulting
• Hypothesis tree for a client problem — Consulting
• Case interview drill partner — Consulting
• KPI tree builder — Consulting

Logical next step

After this, most consulting teams move on to Board-ready strategy deck outline.

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