AI Visibility Index · November 2026
What AI assistants recommend in Basel
Who ChatGPT, Claude and Gemini name when a buyer in Basel, Switzerland, asks them for a business, in 31 categories. The questions were asked in German, three times each.
By kind of business
The figure on the right is the share of answers that named the leader. Open a category for the full ranking with its uncertainty.
AccountantsNamed most: BDO, OBT and Treuhand Basel AG.89%14 listed of 45
ArchitectsNamed most: Herzog & de Meuron, Buchner Bründler Architekten and Diener & Diener Architekten.81%10 listed of 15
BarbersNamed most: Barbershop Basel, Gents Barber Shop and Barberia Basel.58%14 listed of 33
Car repair shopsNamed most: AMAG, Auto-Center Basel AG and Garage Keigel.44%16 listed of 48
Cleaning servicesNamed most: Batmaid, ISS Facility Services and Helpling.58%18 listed of 50
DentistsNamed most: Zahnmedizin Basel, Universitäres Zentrum für Zahnmedizin Basel (UZB) and Zahnärzte am Barfüsserplatz.28%13 listed of 34
DermatologistsNamed most: Universitätsspital Basel – Dermatologie, Hautzentrum Basel and Dermatologie am Barfüsserplatz.47%5 listed of 21
Digital marketing agenciesNamed most: OnlineKarma, Webrepublic and YOO.31%23 listed of 46
Driving schoolsNamed most: Fahrschule Basel, Fahrschule Drive-In and Fahrschule SULI.36%16 listed of 57
ElectriciansNamed most: Industrielle Werke Basel (IWB), Bolliger Elektro AG and Selmoni.56%21 listed of 61
Financial advisorsNamed most: Basler Kantonalbank, VZ VermögensZentrum and UBS.56%15 listed of 29
GymsNamed most: ACTIV FITNESS, Fitnesspark and update Fitness.75%11 listed of 22
Hair salonsNamed most: GIDOR Coiffure, Kopfwerk and TONI&GUY Basel.22%17 listed of 54
HotelsNamed most: Grand Hotel Les Trois Rois, Nomad Design & Lifestyle Hotel and Der Teufelhof Basel.69%19 listed of 24
Insurance brokersNamed most: VZ VermögensZentrum, Aon and Kessler & Co AG.42%23 listed of 50
Interior designersNamed most: Herzog & de Meuron, HHF Architects and Buchner Bründler Architekten.47%13 listed of 55
LawyersNamed most: VISCHER, Wenger Plattner and Walder Wyss.53%11 listed of 39
LocksmithsNamed most: Schlüsseldienst Basel24, Schlüssel Notdienst Basel and Zimmermann Schlüsselservice.56%18 listed of 36
Moving companiesNamed most: Welti-Furrer AG, Settelen AG and Zügelmeister.58%18 listed of 53
OrthodontistsNamed most: Universitäres Zentrum für Zahnmedizin Basel (UZB), Kieferorthopädie am Barfüsserplatz and Zahnmedizin Basel.38%6 listed of 9
PhysiotherapistsNamed most: Physiozentrum Basel, Physio Basel and Physiotherapie Claraplatz.47%13 listed of 42
Plastic surgeonsNamed most: Universitätsspital Basel, Pallas Kliniken Basel and Klinik am Rosenberg.25%10 listed of 25
PlumbersNamed most: Rosenmund Haustechnik AG, H.P. Gysin AG and Sanitär Notfall Basel.25%19 listed of 70
PsychologistsNamed most: Universitäre Psychiatrische Kliniken Basel (UPK), Psychologisches Institut der Universität Basel and Psychiatrie Baselland (PBL).44%10 listed of 21
Real estate agenciesNamed most: Wincasa, Engel & Völkers Basel and Livit.69%16 listed of 50
RestaurantsNamed most: Cheval Blanc by Peter Knogl, Stucki and Restaurant Kunsthalle.64%17 listed of 33
RoofersNamed most: Gysin Bedachungen, TECTON and H.P. Gysin AG.31%13 listed of 43
SEO agenciesNamed most: Webrepublic, OnlineKarma and xeit GmbH.33%23 listed of 62
VeterinariansNamed most: Tierklinik Basel, Tierspital Basel and Tierarztpraxis Gundeli.42%14 listed of 27
Web design agenciesNamed most: Liip, Mindnow and Station AG.39%21 listed of 58
Wedding photographersNamed most: Nadine Bernhardt Fotografie, David & Kathrin Photography and Lena Fotografie.25%10 listed of 61
AI Source Map
The sites the assistants read
Before they answer with web search on, the assistants read other sites. The AI Source Map lists the ones they read most in Switzerland, overall and for each category.
Not on this list? See what ChatGPT says about your business
Basel: see whether the assistants name you, or someone else.
Free, no account, no card. About a minute.
Edition November 2026 · published by Guglielmo Paesano, founder of AIGROW · data under CC BY 4.0