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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsZurichIsler Gysel Architekten GmbH
Isler Gysel Architekten GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Isler Gysel Architekten is the provision of architectural services.

AI-generated
Offering

Products & services

Industry:Architecture Firms
✓ Offered3
Architectural planning
Architectural planning for school buildings, residential developments, administrative and public buildings, as well as other construction projects, from concept to execution.
Construction projects for public buildings
Construction projects for school buildings, kindergartens, municipal buildings, asylum centres, fire stations, administrative and judicial buildings.
Residential construction
Residential construction for multi-family buildings and residential properties, including new builds in urban and suburban settings.
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4.1/5

Isler Gysel Architekten GmbH

Trust & reputation

ranQ Trust Score of Isler Gysel Architekten GmbH: 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.

Isler Gysel Architekten GmbH 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%
Isler Gysel Architekten GmbH scores 83.0 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.100.012%
  • 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.55.07%
Isler Gysel Architekten GmbH 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%
Isler Gysel Architekten GmbH scores 19.5 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 35.12.34%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.26.74%
Qualifications+0.00

Isler Gysel Architekten GmbH 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

July 4, 2025Media
Arbon: Sek-Neubau "Lärche" kostet 62,9 Millionen Franken
thurgauerzeitung.ch
February 2, 2023Media
Grosszügig, kompakt und aus lokalem Holz gebaut – das Schulhaus Martin-Haffter -
swiss-architects.com
March 24, 2017Media
WEINFELDEN: Neubau statt Sanierung
tagblatt.ch

Knowledge

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Location

Breitensteinstrasse 94
8037 Zurich

At a glance

Legal form
Limited Liability Company
UID
CHE-114.710.752
Founded
2009 · 17 years
Last commercial register change
February 19, 2024
Employees
1 to 10
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.
88.0
6%
  • 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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