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AI Visibility Index · September 2026

Interior designers in Lisbon that AI assistants recommend

We asked ChatGPT, Claude and Gemini the four questions a buyer asks when looking for interior designers in Lisbon, 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 · Lisbon
25%of answers named Viterbo Interior Design
Answers
36
Businesses named
79
Named only once
48
Named by 2+ assistants
6 of 31
Named again on a rerun
24%

Edition September 2026. Download the data

Asked for interior designers in Lisbon, ChatGPT, Claude and Gemini most often named Viterbo Interior Design (25% of answers), Arkstudio (19%) and Nini Andrade Silva (19%). Across 36 answers they named 79 different businesses, 48 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 Lisbon named by AI assistants, September 2026
#BusinessAI Recommendation RateChatGPTClaudeGeminiQuestionsAvg. position
1Viterbo Interior DesignAlso written Graca ViterboIs this your business?25%95%: 14 to 41%42%0%33%4 of 43.7
2ArkstudioIs this your business?19%95%: 10 to 35%0%0%58%4 of 41.6
3Nini Andrade SilvaAlso written Nini Andrade Silva Studio, Atelier Nini Andrade Silva, Nini Andrade Silva Atelier, Nini Andrade Silva Design StudioIs this your business?19%95%: 10 to 35%17%42%0%2 of 42
4SpacegramIs this your business?17%95%: 8 to 32%0%0%50%3 of 42.8
5Fala AtelierIs this your business?17%95%: 8 to 32%0%25%25%3 of 43.2
6Casa do PassadiçoIs this your business?17%95%: 8 to 32%0%0%50%3 of 44.2
7Studio AstolfiIs this your business?14%95%: 6 to 29%33%0%8%3 of 41.4
8Pureza Magalhães Interior DesignIs this your business?14%95%: 6 to 29%0%0%42%3 of 44
9Ana AntunesAlso written Ana Antunes Home Styling, Ana Antunes Home ConsultingIs this your business?14%95%: 6 to 29%0%0%42%4 of 45.6
10Maria RaposoAlso written Maria Raposo Interior Design, Maria Raposo InterioresIs this your business?14%95%: 6 to 29%0%0%42%2 of 45.6
11Atelier Veloso ArquitectosIs this your business?11%95%: 4 to 25%0%0%33%3 of 43.5
12OitoempontoAlso written OITOEMPONTOIs this your business?8%95%: 3 to 22%25%0%0%3 of 42
13Space CopenhagenIs this your business?8%95%: 3 to 22%0%0%25%1 of 42.3
14FragmentosAlso written Fragmentos de Arquitetura, Fragmentos Design StudioIs this your business?8%95%: 3 to 22%0%8%17%3 of 45
15PromontorioIs this your business?8%95%: 3 to 22%0%0%25%1 of 46.3
16Atelier Lígia CasanovaIs this your business?6%95%: 2 to 18%17%0%0%2 of 41
17LaskasasIs this your business?6%95%: 2 to 18%17%0%0%1 of 41.5
18Atelier DataIs this your business?6%95%: 2 to 18%8%0%8%2 of 42
19Openbook ArchitectureIs this your business?6%95%: 2 to 18%17%0%0%1 of 42
20Pureza DesignIs this your business?6%95%: 2 to 18%0%0%17%1 of 42
21Studio GameiroIs this your business?6%95%: 2 to 18%0%0%17%1 of 42
22AutoriaAlso written Autoria Arquitectos, Autoria Arquitectura + DesignIs this your business?6%95%: 2 to 18%0%17%0%1 of 42.5
23Quiet StudiosIs this your business?6%95%: 2 to 18%17%0%0%2 of 42.5
24Pura CalIs this your business?6%95%: 2 to 18%17%0%0%2 of 43
25Aurora ArquitectosIs this your business?6%95%: 2 to 18%0%0%17%1 of 43.5
26Catarina CabralAlso written Catarina Cabral Design, Catarina Cabral Interior DesignIs this your business?6%95%: 2 to 18%0%0%17%2 of 44
27Rita SalvadorAlso written Rita Salvador Interior Design, Rita Salvador InterioresIs this your business?6%95%: 2 to 18%0%17%0%2 of 44
28Space LoversIs this your business?6%95%: 2 to 18%0%0%17%2 of 44.5
29DC.ADIs this your business?6%95%: 2 to 18%0%0%17%1 of 45
30Bossa StudioIs this your business?6%95%: 2 to 18%0%0%17%2 of 46.5
31Bak Gordon ArquitectosIs this your business?6%95%: 2 to 18%0%0%17%1 of 48

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. 48 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
1Viterbo Interior Design42%Nini Andrade Silva42%Arkstudio58%
2Studio Astolfi33%Fala Atelier25%Spacegram50%
3Oitoemponto25%Autoria17%Casa do Passadiço50%
4Nini Andrade Silva17%Rita Salvador17%Pureza Magalhães Interior Design42%
5Atelier Lígia Casanova17%Fragmentos8%Ana Antunes42%

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