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AI Visibility Index · September 2026

Architects in Brussels that AI assistants recommend

We asked ChatGPT, Claude and Gemini the four questions a buyer asks when looking for architects in Brussels, 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.

Architects · Brussels
36%of answers named A2M
Answers
36
Businesses named
35
Named only once
13
Named by 2+ assistants
9 of 22
Named again on a rerun
47%

Edition September 2026. Download the data

Asked for architects in Brussels, ChatGPT, Claude and Gemini most often named A2M (36% of answers), Notan Office (33%) and Vers.A (33%). Across 36 answers they named 35 different businesses, 13 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.

Architects in Brussels named by AI assistants, September 2026
#BusinessAI Recommendation RateChatGPTClaudeGeminiQuestionsAvg. position
1A2MAlso written A2M ArchitectureIs this your business?36%95%: 23 to 52%42%0%67%3 of 43.8
2Notan OfficeIs this your business?33%95%: 20 to 50%33%0%67%4 of 41.7
3Vers.AAlso written Vers.A Architecture, Vers.A architecture urbanismeIs this your business?33%95%: 20 to 50%0%8%92%4 of 43.2
4BaukunstIs this your business?28%95%: 16 to 44%8%0%75%4 of 42.4
5OFFICE Kersten Geers David Van SeverenAlso written Office Kersten Geers David Van Severen, Office KGDVSIs this your business?22%95%: 12 to 38%0%0%67%3 of 43.6
6L'Escaut ArchitecturesIs this your business?19%95%: 10 to 35%0%0%58%3 of 45.9
7MSA ArchitectesAlso written MSAIs this your business?17%95%: 8 to 32%0%0%50%3 of 43.8
8DDS+Is this your business?17%95%: 8 to 32%0%0%50%3 of 46.2
9B612 AssociatesIs this your business?14%95%: 6 to 29%33%0%8%3 of 42.6
10AgwAAlso written AgwA ArchitectureIs this your business?14%95%: 6 to 29%0%0%42%3 of 46.6
1151N4EIs this your business?11%95%: 4 to 25%17%17%0%2 of 42.5
12MamoutAlso written Mamout Architectes, Mamout architectesIs this your business?11%95%: 4 to 25%17%0%17%1 of 43
13XDGAIs this your business?11%95%: 4 to 25%0%8%25%2 of 44.3
14Atelier d'Architecture Pierre HebbelinckIs this your business?11%95%: 4 to 25%8%8%17%3 of 45
15Ouest ArchitectureIs this your business?8%95%: 3 to 22%25%0%0%2 of 41.3
16B-architectenIs this your business?8%95%: 3 to 22%25%0%0%2 of 41.7
17NFAIs this your business?6%95%: 2 to 18%0%0%17%2 of 41.5
18Bogdan & Van BroeckAlso written BOGDAN & VAN BROECKIs this your business?6%95%: 2 to 18%17%0%0%1 of 42
19MDW ArchitectureIs this your business?6%95%: 2 to 18%0%17%0%1 of 42.5
20Atelier Vens VanbelleIs this your business?6%95%: 2 to 18%0%17%0%1 of 43.5
21Baumans-DeffetIs this your business?6%95%: 2 to 18%0%17%0%2 of 44.5
22Ney & PartnersIs this your business?6%95%: 2 to 18%0%0%17%1 of 46

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. 13 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
1A2M42%51N4E17%Vers.A92%
2Notan Office33%MDW Architecture17%Baukunst75%
3B612 Associates33%Atelier Vens Vanbelle17%A2M67%
4Ouest Architecture25%Baumans-Deffet17%Notan Office67%
5B-architecten25%Vers.A8%OFFICE Kersten Geers David Van Severen67%

Claude named no business in 8 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: Architects in Brussels, AIGROW AI Visibility Index, September 2026
<a href="https://aigrow.gg/index/architects/brussels"><img src="https://aigrow.gg/badges/index/2026-09/architects/brussels.svg" width="312" height="100" alt="Named by AI assistants: Architects in Brussels, 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. 1Qui est le meilleur architecte à Bruxelles ?Who is the best architect in Brussels?
  2. 2Je veux rénover ma maison à Bruxelles. Quel architecte tu me recommandes ?I want to renovate my house in Brussels. Which architect would you recommend?
  3. 3Quel bureau d’architecture à Bruxelles est réputé pour concevoir des maisons neuves ?Which architecture firm in Brussels is good at designing new homes?
  4. 4Quel architecte à Bruxelles tu me recommanderais pour rénover un appartement ?Which architect in Brussels would you recommend for an apartment renovation?

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 Belgium. From the AI Source Map: 5 answers.

See every site for this category
architectura.be
Read in 80% of the answers
wikipedia.org
Read in 80% of the answers
fab-arch.be
Read in 60% of the answers

Elsewhere in the Index

Architects elsewhere
AntwerpGhentLiègeBordeauxGenevaLausanne
Also in Brussels
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