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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTrade Fair & Event OrganizersBaselOpen House Basel - Architektur für alle
Open House Basel - Architektur für alle Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company "Unternehmen Mitte" is an organizer of architecture events, particularly the Open House Basel, and offers guided tours and building visits. It is also active in corporate communications and event management.

AI-generated
Offering

Products & services

Industry:Trade Fair & Event Organizers
✓ Offered7
Architecture weekend Open House Basel
Free visits and guided tours in selected buildings during the Open House weekend; individual opening hours, gallery, map, schedule, partly with reservations.
Supporting programme Open House PLUS+
Talks, discussions, films and other productions around the participating buildings; events on the weekend, in the run-up week and throughout the year, partly with reservations.
Children’s programme Open House Kids
Playful architecture and city exploration for children and families with collectible cards, extra cards, hands-on activities, stickers and a raffle.
Mediation project Perspective change
Buildings from the Open House programme are presented by people from different population groups; workshops, exploration, development of personal attitudes and mediation formats.
Volunteer work
Voluntary support with reception, information, guided tours, organisation, materials preparation and communications around the festival; training and assignments on site.
Building partnership
Register buildings for the Open House weekend, open doors, enable visits and guided tours, and coordinate accessibility and safety instructions.
Friends of Open House
Friendship contribution with a freely selectable amount and benefits such as exclusive guided tours, a fabric tote bag, guaranteed places for reservations and invitations.
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4.1/5

Open House Basel - Architektur für alle

Trust & reputation

ranQ Trust Score of Open House Basel - Architektur für alle: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 58% · As of October 2026

Without public customer reviews the score stays capped.

Open House Basel - Architektur für alle has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Open House Basel - Architektur für alle scores 77.7 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
x
CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.86.512%
  • Company size: The headcount band, researched by ranQ or stated by the company. It is scored in steps rather than by head count, because the data only provides bands.70.07%
Open House Basel - Architektur für alle scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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CriterionValueWeight
  • Verification: Official register entry (commercial register with UID or professional-body record, 55 points), confirmed domain (20 points) and confirmed ranQ profile (up to 25 points, depending on completeness).85.022%
Open House Basel - Architektur für alle scores 66.7 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
x
CriterionValueWeight
  • Website authority: Ahrefs' Domain Rating measures, on a scale of 0 to 100, how strongly a website is linked from other websites. For Swiss SMEs the range up to 40 is typical; the maximum is reached at 35.100.04%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.33.34%
Qualifications+0.00

Open House Basel - Architektur für alle reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 58%, so the score is backed by part of the criteria. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Press

Media

May 8, 2026Media
Über 110 Gebäude öffnen ihre Türen: Ein Blick hinter Basels Fassaden
bzbasel.ch
April 13, 2026Media
Blick hinter fremde Fassaden in Basel: Entdecken Sie verborgene Wohn- und Arbeitswelten
bazonline.ch
May 18, 2025Media
Open House Basel 2025 - Türöffner der Basler Architektur
blick.ch

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Location

Bäumlihofstrasse 125
4058 Basel

At a glance

Legal form
Association
UID
CHE-327.577.854
Founded
2016 · 10 years
Last commercial register change
March 31, 2025
Employees
11 to 20
Legal form: Graded by liability and disclosure. The weight is kept small: a sole proprietorship is not a dubious company, it is just liable differently.73.06%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

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