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AI Visibility Index · September 2026

Roofers in Vienna that AI assistants recommend

We asked ChatGPT, Claude and Gemini the four questions a buyer asks when looking for roofers in Vienna, three times each, in German, and counted who they named. These are the businesses named in two or more of the 36 answers.

Check whether AI names youSee the ranking

Names are printed as the assistants wrote them. We have not checked that any of them is good, open, or real.

Roofers · Vienna
28%of answers named Dachdeckerei & Spenglerei Kropik GmbH
Answers
36
Businesses named
39
Named only once
29
Named by 2+ assistants
0 of 10
Named again on a rerun
15%

Edition September 2026. Download the data

Asked for roofers in Vienna, ChatGPT, Claude and Gemini most often named Dachdeckerei & Spenglerei Kropik GmbH (28% of answers) and Dachdeckerei & Spenglerei Schiefer GmbH (11%). Across 36 answers they named 39 different businesses, 29 of them only once. Each of four buyer questions was asked three times, in German, in September 2026.

The ranking

The AI Recommendation Rate is the fraction of the 36 answers that named a business. The range under it is a 95% confidence interval: where two ranges overlap, the gap between those businesses could be chance.

Roofers in Vienna named by AI assistants, September 2026
#BusinessAI Recommendation RateChatGPTClaudeGeminiQuestionsAvg. position
1Dachdeckerei & Spenglerei Kropik GmbHIs this your business?28%95%: 16 to 44%0%0%83%4 of 41.5
2Dachdeckerei & Spenglerei Schiefer GmbHIs this your business?11%95%: 4 to 25%0%0%33%3 of 43.5
3Dachdeckerei & Spenglerei H. & H. Wimmer GmbHIs this your business?6%95%: 2 to 18%0%0%17%2 of 42
4Dachdeckerei & Spenglerei P. & M. Schramm GmbHIs this your business?6%95%: 2 to 18%0%0%17%1 of 42
5Dachdeckerei & Spenglerei W. & H. Wimmer GmbHIs this your business?6%95%: 2 to 18%0%0%17%1 of 43
6Dachdeckerei & Spenglerei Wimmer GmbHIs this your business?6%95%: 2 to 18%0%0%17%1 of 43
7Dachdeckerei & Spenglerei WögererAlso written Dachdeckerei & Spenglerei Wögerer GmbHIs this your business?6%95%: 2 to 18%0%0%17%1 of 43
8Dachdeckerei & Spenglerei P. & M. Kropik GmbHIs this your business?6%95%: 2 to 18%0%0%17%1 of 43.5
9Dachdeckerei & Spenglerei PöchhackerAlso written Dachdeckerei & Spenglerei Ing. Franz Pöchhacker GmbH, Dachdeckerei & Spenglerei Pöchhacker GmbHIs this your business?6%95%: 2 to 18%0%0%17%2 of 44
10Dachdeckerei & Spenglerei ZöchlingAlso written Dachdeckerei & Spenglerei M. & K. Zöchling GmbH, Dachdeckerei & Spenglerei Zöchling GmbHIs this your business?6%95%: 2 to 18%0%0%17%2 of 44.5

Each assistant column is the share of that assistant's own answers. Questions counts how many of the four produced the name at least once; position is where it came in the answer's list, 1 being first. 29 more names came up in a single answer and are counted above but not listed.

Is this your business?

See what the assistants say about your business today. The free checker asks ChatGPT, Claude, Gemini and Grok two of the Index questions for this category, with the category and the place already filled in, and shows every answer word for word. About 30 seconds, no sign-up.

Check your businessNamed above? Add the badgeWhat the audit does

What each assistant said

The same questions, the same number of times, and often different names. Each column is one assistant's top five from the ranking above, with the share of its own answers that named them.

#ChatGPTClaudeGemini
1No other name twiceNamed no businessDachdeckerei & Spenglerei Kropik GmbH83%
2Dachdeckerei & Spenglerei Schiefer GmbH33%
3Dachdeckerei & Spenglerei H. & H. Wimmer GmbH17%
4Dachdeckerei & Spenglerei P. & M. Schramm GmbH17%
5Dachdeckerei & Spenglerei W. & H. Wimmer GmbH17%

ChatGPT named no business in 8 of its 12 answers. Claude named no business in any of its 12 answers.

Named here? Put it on your site

Every business in the ranking was named in two or more answers. The badge says that and nothing more: no position, because the ranges above do not support one. It links back to this page, so anyone can check.

Correct or remove a listing
Named by AI assistants: Roofers in Vienna, AIGROW AI Visibility Index, September 2026
<a href="https://aigrow.gg/index/roofers/vienna"><img src="https://aigrow.gg/badges/index/2026-09/roofers/vienna.svg" width="312" height="100" alt="Named by AI assistants: Roofers in Vienna, AIGROW AI Visibility Index, September 2026"></a>

The questions

Asked word for word, three times each, to every assistant, in German. The English under each is our translation. The prompt is the one the free scan uses. No web search, no location and no chat history, so every answer starts from the same place.

  1. 1Wer ist der beste Dachdecker in Wien?Who is the best roofer in Vienna?
  2. 2Das Dach meines Hauses in Wien ist undicht. Welche Dachdeckerfirma soll ich anrufen?My roof is leaking in Vienna. Which roofing company should I call?
  3. 3Welchen Dachdecker in Wien würdest du für eine komplette Neueindeckung meines Dachs empfehlen?Which roofing contractor in Vienna would you recommend for a full roof replacement?
  4. 4Welcher Dachdecker in Wien kann mein Dach nach einem Sturm begutachten?Which roofer in Vienna can inspect my roof after a storm?

How to read this page

The full method
What it measures
Which names these models produce when asked cold, from what they learned in training. It is not a review, a rating or our recommendation, and a business missing here may simply be one the models were never shown.
Why the ranges matter
36 answers is a sample. Asked again next month, most shares will move by a few points; the ranges say how far they could move by chance alone.
One business, several spellings
Branches, legal suffixes and spellings of one business are merged, and the other spellings are printed under its name. Names that might be two businesses are kept apart.
A name is wrong
If a business here is closed, misnamed or yours and you want it removed, tell us. We correct or remove it when the page is next published.

Elsewhere in the Index

Roofers elsewhere
GrazSalzburgBaselBerlinBernCologne
Also in Vienna
DentistsLawyersAccountantsPlumbersGymsReal estate agencies

Is your business on this list?

The free scan asks the same assistants the questions your customers ask, scores whether they name you, and lists who they name instead.

Run the free AI scanRead the method

Edition September 2026 · published by Guglielmo Paesano, founder of AIGROW · data under CC BY 4.0