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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsZurichjomini & zimmermann architekten ag
jomini & zimmermann architekten ag Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company's core activity is architecture, particularly the planning and implementation of construction projects with a focus on sustainable and innovative solutions, such as the use of natural materials and energy-saving technologies. The company also offers services in the field of monument preservation and the renovation of existing buildings.

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Products & services

Industry:Architecture Firms
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4.1/5

jomini & zimmermann architekten ag

4
Architectural planning and realization
Planning and realization of buildings, conversions and extensions using regenerative materials such as wood, clay, natural fibres and natural stone; adaptation to the landscape, climate and existing structures.
Competition support
Project support and procedure guidance for architectural competitions, including participation in single-stage competition procedures in accordance with SIA 142 and support for selection procedures.
Consulting on regenerative building
Advising clients, architects and property developers on regenerative building materials, project management in the preliminary design and concept phase, and workshops on the treatment of wood surfaces.
Teaching and lecturing
Teaching at universities of applied sciences, as well as lectures, guest critiques and specialist contributions on architecture, regenerative building and building culture.
Trust & reputation

ranQ Trust Score of jomini & zimmermann architekten ag: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 58% · As of October 2026

Without public customer reviews the score stays capped.

jomini & zimmermann architekten ag 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.
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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%
jomini & zimmermann architekten ag scores 85.0 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.83.012%
  • 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.82.07%
jomini & zimmermann architekten ag scores 86.7 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).86.722%
jomini & zimmermann architekten ag scores 12.9 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.25.74%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.0.04%
Qualifications+0.00

jomini & zimmermann architekten ag 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

November 14, 2024Media
Regenerative Architektur -
swiss-architects.com

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Location

Wasserwerkstrasse 129
8037 Zurich
Opening hours
Mon
09:00 - 18:00
Tue
09:00 - 18:00
Wed
09:00 - 18:00
Thu
09:00 - 18:00
Fri
09:00 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-414.034.504
Founded
2017 · 9 years
Last commercial register change
March 13, 2017
Employees
21 to 50
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.100.06%
  • 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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