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AI Visibility Index · September 2026

Interior designers in Porto that AI assistants recommend

We asked ChatGPT, Claude and Gemini the four questions a buyer asks when looking for interior designers in Porto, 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.

Interior designers · Porto
56%of answers named Oitoemponto
Answers
36
Businesses named
41
Named only once
24
Named by 2+ assistants
5 of 17
Named again on a rerun
39%

Edition September 2026. Download the data

Asked for interior designers in Porto, ChatGPT, Claude and Gemini most often named Oitoemponto (56% of answers), Fala Atelier (36%) and Paulo Lobo (28%). Across 36 answers they named 41 different businesses, 24 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.

Interior designers in Porto named by AI assistants, September 2026
#BusinessAI Recommendation RateChatGPTClaudeGeminiQuestionsAvg. position
1OitoempontoAlso written OitoemPontoIs this your business?56%95%: 40 to 71%83%0%83%4 of 42.3
2Fala AtelierIs this your business?36%95%: 23 to 52%0%17%92%4 of 41.8
3Paulo LoboIs this your business?28%95%: 16 to 44%50%0%33%3 of 41.9
4Paulo Merlini ArchitectsAlso written Paulo Merlini Arquitetos, Paulo Merlini ArquitectosIs this your business?25%95%: 14 to 41%8%25%42%3 of 42.3
5SpacegramIs this your business?14%95%: 6 to 29%0%0%42%2 of 44.8
6Atelier Veloso ArquitectosIs this your business?11%95%: 4 to 25%0%0%33%2 of 43
7OODAIs this your business?11%95%: 4 to 25%8%17%8%2 of 43
8Ding DongIs this your business?8%95%: 3 to 22%25%0%0%2 of 41.7
9Ana LoureiroAlso written Ana Loureiro Interior Design, Ana Loureiro InterioresIs this your business?8%95%: 3 to 22%0%0%25%2 of 44.3
10Nini Andrade SilvaIs this your business?6%95%: 2 to 18%17%0%0%2 of 41
11spaceworkersAlso written SpaceworkersIs this your business?6%95%: 2 to 18%17%0%0%1 of 42
12BlaancIs this your business?6%95%: 2 to 18%0%17%0%2 of 44
13SUMMARYAlso written Summary StudioIs this your business?6%95%: 2 to 18%0%0%17%1 of 44
14Atelier da CostaIs this your business?6%95%: 2 to 18%0%0%17%1 of 44.5
15depA ArchitectsAlso written DepA ArchitectsIs this your business?6%95%: 2 to 18%0%0%17%1 of 44.5
16Mário VilaçaAlso written Mário Vilaça Arquitetura & Design, Mário Vilaça Interior DesignIs this your business?6%95%: 2 to 18%0%0%17%1 of 45
17MerooficinaIs this your business?6%95%: 2 to 18%0%0%17%2 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. 24 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
1Oitoemponto83%Paulo Merlini Architects25%Fala Atelier92%
2Paulo Lobo50%Fala Atelier17%Oitoemponto83%
3Ding Dong25%OODA17%Paulo Merlini Architects42%
4Nini Andrade Silva17%Blaanc17%Spacegram42%
5spaceworkers17%No other name twicePaulo Lobo33%

Claude named no business in 9 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: Interior designers in Porto, AIGROW AI Visibility Index, September 2026
<a href="https://aigrow.gg/index/interior-designers/porto"><img src="https://aigrow.gg/badges/index/2026-09/interior-designers/porto.svg" width="312" height="100" alt="Named by AI assistants: Interior designers in Porto, 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. 1Quem é o melhor designer de interiores no Porto?Who is the best interior designer in Porto?
  2. 2Estou a remodelar o meu apartamento no Porto. Que designer de interiores me recomendas?I'm redoing my apartment in Porto. Which interior designer would you recommend?
  3. 3Que estúdio de design de interiores no Porto é bom a criar interiores modernos?Which interior design studio in Porto does modern homes well?
  4. 4Que designer de interiores me recomendas no Porto para um restaurante ou uma loja?Which interior designer in Porto would you recommend for a restaurant or a shop?

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

Interior designers elsewhere
LisbonBelo HorizonteRio de JaneiroSão PauloAarhusAmsterdam
Also in Porto
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