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AI Visibility Index · September 2026

Plumbers in Lyon that AI assistants recommend

We asked ChatGPT, Claude and Gemini the four questions a buyer asks when looking for plumbers in Lyon, three times each, in French, 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.

Plumbers · Lyon
56%of answers named Plomberie Lyonnaise
Answers
36
Businesses named
35
Named only once
19
Named by 2+ assistants
11 of 16
Named again on a rerun
40%

Edition September 2026. Download the data

Asked for plumbers in Lyon, ChatGPT, Claude and Gemini most often named Plomberie Lyonnaise (56% of answers), Les Bons Artisans (56%) and Les Bons Tuyaux (25%). Across 36 answers they named 35 different businesses, 19 of them only once. Each of four buyer questions was asked three times, in French, 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.

Plumbers in Lyon named by AI assistants, September 2026
#BusinessAI Recommendation RateChatGPTClaudeGeminiQuestionsAvg. position
1Plomberie LyonnaiseAlso written Plomberie Lyonnaise UrgenceIs this your business?56%95%: 40 to 71%67%58%42%4 of 41.4
2Les Bons ArtisansAlso written Les Bons Artisans LyonIs this your business?56%95%: 40 to 71%42%33%92%4 of 41.6
3Les Bons TuyauxAlso written Les Bons Tuyaux Lyon, Les Bons Tuyaux Plomberie LyonIs this your business?25%95%: 14 to 41%50%25%0%4 of 42.1
4SOS PlombierAlso written SOS Plombier Lyon, Plombier Lyon 69 – SOS Plombier, Sos Plombier LyonIs this your business?22%95%: 12 to 38%25%42%0%2 of 42.5
5Plombier Lyon 69Is this your business?19%95%: 10 to 35%0%17%42%3 of 42
6MesDépanneurs.frAlso written MesDépanneurs LyonIs this your business?19%95%: 10 to 35%0%8%50%3 of 43.3
7Artisan Plombier LyonIs this your business?17%95%: 8 to 32%0%0%50%4 of 43.5
8Les Bons PlombiersAlso written Les Bons Plombiers LyonIs this your business?14%95%: 6 to 29%8%33%0%3 of 41.8
9Plomberie du RhôneIs this your business?11%95%: 4 to 25%0%0%33%2 of 43.3
10Engie Home Services LyonAlso written ENGIE Home Services LyonIs this your business?8%95%: 3 to 22%17%8%0%1 of 42.7
11Proxiserve LyonIs this your business?8%95%: 3 to 22%0%25%0%2 of 43
12A2P Plomberie ChauffageAlso written A2P Plomberie LyonIs this your business?6%95%: 2 to 18%17%0%0%2 of 42.5
13ADPC Plomberie LyonIs this your business?6%95%: 2 to 18%8%8%0%1 of 42.5
14Plombier Lyon 24/7Is this your business?6%95%: 2 to 18%0%0%17%1 of 42.5
15Dépannage Plomberie LyonAlso written Depannage Plomberie LyonIs this your business?6%95%: 2 to 18%8%0%8%2 of 43
16Plombier Lyon ExpressIs this your business?6%95%: 2 to 18%8%0%8%2 of 43

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. 19 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
1Plomberie Lyonnaise67%Plomberie Lyonnaise58%Les Bons Artisans92%
2Les Bons Tuyaux50%SOS Plombier42%MesDépanneurs.fr50%
3Les Bons Artisans42%Les Bons Artisans33%Artisan Plombier Lyon50%
4SOS Plombier25%Les Bons Plombiers33%Plomberie Lyonnaise42%
5Engie Home Services Lyon17%Les Bons Tuyaux25%Plombier Lyon 6942%

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: Plumbers in Lyon, AIGROW AI Visibility Index, September 2026
<a href="https://aigrow.gg/index/plumbers/lyon"><img src="https://aigrow.gg/badges/index/2026-09/plumbers/lyon.svg" width="312" height="100" alt="Named by AI assistants: Plumbers in Lyon, AIGROW AI Visibility Index, September 2026"></a>

The questions

Asked word for word, three times each, to every assistant, in French. 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. 1Quel est le meilleur plombier à Lyon ?Who is the best plumber in Lyon?
  2. 2J’ai une fuite chez moi à Lyon. Quelle entreprise de plomberie dois-je appeler ?I have a leaking pipe at home in Lyon. Which plumbing company should I call?
  3. 3J’ai besoin d’un plombier en urgence ce soir à Lyon. Tu me recommanderais qui ?I need an emergency plumber in Lyon tonight. Who would you recommend?
  4. 4Quel plombier à Lyon choisirais-tu pour remplacer un chauffe-eau ?Which plumber in Lyon would you trust to replace a water heater?

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 France. From the AI Source Map: 8 answers.

See every site for this category
pagesjaunes.fr
Read in 100% of the answers
reddit.com
Read in 88% of the answers
batup-place.com
Read in 63% of the answers

Elsewhere in the Index

Plumbers elsewhere
BordeauxLilleMarseilleNiceParisToulouse
Also in Lyon
DentistsLawyersAccountantsGymsReal estate agenciesRestaurants

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