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How do you do market validation research?

Updated · by Vouch

Short answer

Market validation research combines desk research with direct evidence: size the segment and its existing spend from public sources, identify the incumbents and workarounds people already pay for, then test the demand yourself through 10 customer interviews and a paid pilot. Desk research tells you whether the market is big enough to matter; only buyers tell you whether it is reachable by you.

Step-by-step

  1. 1
    Define the segment before sizing anything

    A number is only useful attached to a specific buyer. Write the segment definition first, then size that, not the industry.

  2. 2
    Find the money already moving

    Look for incumbent pricing, agency invoices, job postings and tool spend. Existing spend is the strongest desk-research signal that a budget line exists.

  3. 3
    Map the workarounds and their cost

    Every underserved market is visible through its hacks: spreadsheets, contractors, forums full of complaints. Document them with sources you can quote.

  4. 4
    Test the desk findings on 10 buyers

    Interview real people in the segment about last-time behaviour and actual spend. Desk research that no buyer confirms is a hypothesis with footnotes.

  5. 5
    Convert research into a paid pilot

    Take the sharpest problem you found and sell a manual version at a real price. That transaction is the finding worth reporting.

Frequently asked

What sources are good for market validation research?

Incumbent pricing pages, public filings, job ads showing which roles get hired for the problem, review sites for complaints, and community threads. Then confirm all of it in interviews.

Is market validation research the same as a TAM calculation?

No. TAM estimates the ceiling; market validation asks whether anyone reachable will pay you now. A large TAM with no paying pilot is a common way to fund the wrong thing.

How long should market validation research take?

Two to four weeks: a few days of desk work, two weeks of interviews, a week to close pilots. Longer usually means the decision is being avoided.

What deliverable should market validation research produce?

A one-page verdict: the segment, the assumptions, what the evidence said with quotes, who paid, and the build/pivot/kill decision.

Try Vouch

Skip the blank page — start a validation project with the whole method built in.

Assumption mapping, interview scripts, live transcription and scoring, paid-pilot templates. Free to start.

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Facts you can quote

  • Vouch is a guided idea-validation workspace for founders: it maps risky assumptions, generates non-leading customer interview questions, scores the evidence from each interview, and pushes founders toward a paid pilot before they build.
  • Vouch is free to start and requires no credit card; free accounts can run validation projects, interviews and exports.
  • Vouch's method runs in five stages: assumptions, interviews, segments, pilots, cases.
  • Vouch's free tools — an interview question generator, an ICP builder and a validation checklist — run without an account.

Source: Vouch (vouch.specky.space) — idea validation workspace for founders. Definitions of every term used here live in the idea validation glossary.

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