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AI Visibility Index · September 2026

Web design agencies in São Paulo that AI assistants recommend

We asked ChatGPT, Claude and Gemini the four questions a buyer asks when looking for web design agencies in São Paulo, three times each, in Portuguese, 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.

Web design agencies · São Paulo
56%of answers named Agência Mestre
Answers
36
Businesses named
45
Named only once
30
Named by 2+ assistants
3 of 15
Named again on a rerun
31%

Edition September 2026. Download the data

Asked for web design agencies in São Paulo, ChatGPT, Claude and Gemini most often named Agência Mestre (56% of answers), Layer Up (28%) and e-Plus (14%). Across 36 answers they named 45 different businesses, 30 of them only once. Each of four buyer questions was asked three times, in Portuguese, 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.

Web design agencies in São Paulo named by AI assistants, September 2026
#BusinessAI Recommendation RateChatGPTClaudeGeminiQuestionsAvg. position
1Agência MestreIs this your business?56%95%: 40 to 71%75%8%83%4 of 41.3
2Layer UpIs this your business?28%95%: 16 to 44%0%0%83%4 of 42.2
3e-PlusAlso written Agência e-Plus, Agência E-Plus, e-Plus Agência DigitalIs this your business?14%95%: 6 to 29%17%0%25%2 of 42.6
4Agência Ideal MarketingAlso written Agência IdealIs this your business?14%95%: 6 to 29%0%0%42%3 of 43.8
5WSIAlso written WSI Consultoria, WSI WorldIs this your business?14%95%: 6 to 29%0%0%42%2 of 44
6ConversionAlso written Agência ConversionIs this your business?8%95%: 3 to 22%8%0%17%2 of 43
7Suprema PropagandaIs this your business?8%95%: 3 to 22%0%0%25%2 of 44.3
8LocawebIs this your business?6%95%: 2 to 18%17%0%0%1 of 41
9Agência TupiniquimIs this your business?6%95%: 2 to 18%17%0%0%2 of 41.5
10UOL HostIs this your business?6%95%: 2 to 18%17%0%0%1 of 42
11Nação DigitalIs this your business?6%95%: 2 to 18%0%0%17%1 of 43
12CorebizIs this your business?6%95%: 2 to 18%0%0%17%1 of 43.5
13Duo StudioIs this your business?6%95%: 2 to 18%0%0%17%2 of 43.5
14SupersonicIs this your business?6%95%: 2 to 18%0%0%17%2 of 44.5
15Bis2Bis E-commerceIs this your business?6%95%: 2 to 18%0%0%17%1 of 45

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. 30 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
1Agência Mestre75%Agência Mestre8%Agência Mestre83%
2e-Plus17%No other name twiceLayer Up83%
3Locaweb17%Agência Ideal Marketing42%
4Agência Tupiniquim17%WSI42%
5UOL Host17%e-Plus25%

Claude named no business in 11 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: Web design agencies in São Paulo, AIGROW AI Visibility Index, September 2026
<a href="https://aigrow.gg/index/web-design-agencies/sao-paulo"><img src="https://aigrow.gg/badges/index/2026-09/web-design-agencies/sao-paulo.svg" width="312" height="100" alt="Named by AI assistants: Web design agencies in São Paulo, AIGROW AI Visibility Index, September 2026"></a>

The questions

Asked word for word, three times each, to every assistant, in Portuguese. 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. 1Qual é a melhor agência de criação de sites em São Paulo?What is the best web design agency in São Paulo?
  2. 2Preciso de um site novo para minha pequena empresa em São Paulo. Qual web designer você recomenda?I need a new website for my small business in São Paulo. Which web designer would you recommend?
  3. 3Qual agência de criação de sites em São Paulo faz boas lojas virtuais?Which web agency in São Paulo builds good online stores?
  4. 4Qual empresa de criação de sites em São Paulo tem preços acessíveis para uma startup?Which web design company in São Paulo is affordable for a startup?

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

Web design agencies elsewhere
Belo HorizonteRio de JaneiroLisbonPortoAarhusAmsterdam
Also in São Paulo
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