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Sector index · Contractors and renovations

Which brands does AI name for questions about contractors and renovations?

Contractors and builders AI names for extensions and renovations.

No measured week yet · 8 questions ready · not measured yet

Not measured yet

This sector has not been measured yet

The question set for contractors and renovations is ready: 8 buying questions and three personas. The index runs part of the sectors each week within a fixed budget; this one is due within 4 weeks. Until then we show no numbers here — a sample leaderboard would suggest a measurement that never happened.

prompt set v1

The 8 questions we ask

  1. 01Wat kost een aanbouw van 20 m2 in Nederland?
  2. 02Hoe vind ik een betrouwbare aannemer voor een verbouwing?
  3. 03Welke bouwbedrijven werken met vaste prijs en planning?
  4. 04Wie kan een zolder verbouwen tot slaapkamer met dakkapel?
  5. 05Wat kost een complete renovatie van een jaren-30-woning?
  6. 06Welke aannemers zijn aangesloten bij een garantieregeling?
  7. 07Waar vraag ik offertes op voor een verbouwing?
  8. 08Hoe voorkom ik gedoe met een aannemer bij meerwerk?

Without a brand name, in Dutch, with the Netherlands as market. The same set every week.

The personas behind the questions

  • Gezin dat een aanbouw van 20 m2 plant
  • Koper van een oude woning die een complete renovatie wil
  • Huiseigenaar die een zolder laat verbouwen tot slaapkamer

Personas and questions are in Dutch: the index measures the Dutch market.

Full method

How this was measured

  • 01Every question goes to the engines through their API in a clean session: no account, no history, no personalisation.
  • 02Brand names are extracted from each answer (text extraction). Per brand the decision layer judges whether it is a real brand in this sector, whether it is a marketplace, how it is spoken about and how prominently it appears. That certainty is shown in the table.
  • 03Brands only count when the probability that they are a real brand is at least 50%. Borderline cases are left out.
  • 04Share is measured over a four-week window with a 95% confidence interval. Names that turn out to be the same company are merged once the decision layer confirms it.
  • 05Engines without a usable API (such as Google AI Overviews) are not in this index. Browser captures of consumer products follow once the capture service is publicly available; those will be labelled separately.
Full method

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