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AI Visibility Index · September 2026

Cleaning services in Stuttgart that AI assistants recommend

We asked ChatGPT, Claude and Gemini the four questions a buyer asks when looking for cleaning services in Stuttgart, 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.

Cleaning services · Stuttgart
31%of answers named Stuttgarter Gebäudereinigung GmbH
Answers
36
Businesses named
27
Named only once
12
Named by 2+ assistants
4 of 15
Named again on a rerun
58%

Edition September 2026. Download the data

Asked for cleaning services in Stuttgart, ChatGPT, Claude and Gemini most often named Stuttgarter Gebäudereinigung GmbH (31% of answers), Piepenbrock (25%) and Helpling (19%). Across 36 answers they named 27 different businesses, 12 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.

Cleaning services in Stuttgart named by AI assistants, September 2026
#BusinessAI Recommendation RateChatGPTClaudeGeminiQuestionsAvg. position
1Stuttgarter Gebäudereinigung GmbHAlso written Stuttgarter GebäudereinigungIs this your business?31%95%: 18 to 47%0%0%92%4 of 41.7
2PiepenbrockAlso written Piepenbrock Dienstleistungen GmbH + Co. KG, Piepenbrock DienstleistungenIs this your business?25%95%: 14 to 41%50%0%25%2 of 42.2
3HelplingIs this your business?19%95%: 10 to 35%33%0%25%2 of 41.4
4Clean TeamAlso written Clean Team Stuttgart, Reinigungsfirma Stuttgart - Clean TeamIs this your business?19%95%: 10 to 35%0%0%58%3 of 43.6
5KlühAlso written Klüh Service Management GmbH, Klüh Cleaning, Klüh Cleaning GmbH, Klüh Service ManagementIs this your business?17%95%: 8 to 32%17%0%33%2 of 42.3
6WISAG GebäudereinigungAlso written WISAG Gebäudereinigung Baden-Württemberg GmbH & Co. KG, WISAG Gebäudereinigung Baden-Württemberg GmbHIs this your business?14%95%: 6 to 29%42%0%0%2 of 41.8
7Dussmann ServiceAlso written Dussmann Service Deutschland GmbHIs this your business?14%95%: 6 to 29%17%0%25%2 of 43.2
8ExtraSauberIs this your business?11%95%: 4 to 25%33%0%0%2 of 41.8
9Dienstleistungsservice StuttgartIs this your business?11%95%: 4 to 25%0%0%33%3 of 43.3
10Mr. CleanerIs this your business?8%95%: 3 to 22%25%0%0%1 of 41
11Book a TigerIs this your business?8%95%: 3 to 22%0%0%25%1 of 42
12CleanifyIs this your business?8%95%: 3 to 22%0%0%25%1 of 44
13Blitzblank StuttgartIs this your business?6%95%: 2 to 18%0%0%17%1 of 42
14PutzperleAlso written Putzperle.deIs this your business?6%95%: 2 to 18%17%0%0%1 of 42.5
15Gebäudereinigung SchwabenlandIs this your business?6%95%: 2 to 18%0%0%17%2 of 44

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. 12 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
1Piepenbrock50%Named no businessStuttgarter Gebäudereinigung GmbH92%
2WISAG Gebäudereinigung42%Clean Team58%
3Helpling33%Klüh33%
4ExtraSauber33%Dienstleistungsservice Stuttgart33%
5Mr. Cleaner25%Piepenbrock25%

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: Cleaning services in Stuttgart, AIGROW AI Visibility Index, September 2026
<a href="https://aigrow.gg/index/cleaning-services/stuttgart"><img src="https://aigrow.gg/badges/index/2026-09/cleaning-services/stuttgart.svg" width="312" height="100" alt="Named by AI assistants: Cleaning services in Stuttgart, 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. 1Welche Reinigungsfirma in Stuttgart ist die beste?What is the best cleaning service in Stuttgart?
  2. 2Ich brauche jemanden, der jede Woche meine Wohnung in Stuttgart putzt. Welche Firma würdest du empfehlen?I need someone to clean my apartment in Stuttgart every week. Which company would you recommend?
  3. 3Welche Reinigungsfirma in Stuttgart macht eine gründliche Endreinigung beim Auszug?Which cleaning company in Stuttgart does a good move-out deep clean?
  4. 4Welche Büroreinigungsfirma in Stuttgart würdest du einem kleinen Unternehmen empfehlen?Which office cleaning company in Stuttgart would you recommend for a small business?

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.

Where the assistants look

The sites read most often, with web search on, before the assistants answer about this category in Germany. From the AI Source Map: 8 answers.

See every site for this category
werkenntdenbesten.de
Read in 88% of the answers
trustlocal.de
Read in 88% of the answers
reddit.com
Read in 88% of the answers

Elsewhere in the Index

Cleaning services elsewhere
BerlinCologneDüsseldorfFrankfurtHamburgMunich
Also in Stuttgart
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