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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsZurichteam 4 Architekten ETH/SIA AG
team 4 Architekten ETH/SIA AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of team4 Architekten is the provision of architectural services, including construction management, monument preservation and consulting, for public and private clients.

AI-generated
Offering

Products & services

Industry:Architecture Firms
✓ Offered6
Architectural services for educational buildings
New-build, extensions, conversions and renovations of school buildings, kindergartens, upper-secondary schools and day schools; including temporary school facilities and planning competitions.
Architectural services for residential buildings
New-build, conversions, extensions and renovations of single-family houses, multi-family houses and residential developments; including studies, test planning and competitions for housing construction.
Architectural services for sacral and religious buildings
Alterations, renovation, restoration and redesign of churches, chapels, parish houses and parish centres; also selection procedures and study assignments.
Conversions, renovations and restoration in existing buildings
Conversions, renovation, restoration, repairs and energy-efficient refurbishment of existing buildings; also interior fit-out, redesign and change of use.
Competition and study mandate management
Participation in architecture competitions, study mandates, selection procedures and planner selection procedures; sometimes with rankings and commissions in education, residential construction and sacral building.
Feasibility studies and strategic planning
Feasibility studies, strategic planning, test planning and concept studies for conversions and new-build projects, in particular for residential, school and religious facilities.
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4.1/5

team 4 Architekten ETH/SIA AG

Trust & reputation

ranQ Trust Score of team 4 Architekten ETH/SIA AG: 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.

team 4 Architekten ETH/SIA 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.
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%
team 4 Architekten ETH/SIA AG scores 92.3 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.82.07%
team 4 Architekten ETH/SIA AG scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
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%
team 4 Architekten ETH/SIA AG scores 14.3 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 35.28.64%
  • 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

team 4 Architekten ETH/SIA 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

December 15, 2022Media
Eigenständiger Städtebau an peripherem Standort Ausbau Polizei- und Justizzentrum Biberbrugg SZ
espazium.ch
February 27, 2020Media
Die Suche nach der idealen Wohnform Projektwettbewerb Siedlung «Holliger» Baubereich U1
espazium.ch
July 17, 2019Media
Vom Industriestandort zum Wohnquartier Studienauftrag im Einladungsverfahren Feldmühle-Areal, Rorschach
espazium.ch
May 24, 2018Media
Solothurner Schule Projektwettbewerb Schulanlage Brühl – Neubau Doppelkindergarten und Tagesschule
espazium.ch
June 4, 2015Media
5 Teams Shorlisted for Singapore Rail Corridor -
world-architects.com

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Location

Nordstrasse 110
8037 Zurich

At a glance

Legal form
Corporation
UID
CHE-114.925.838
Founded
2009 · 17 years
Last commercial register change
April 14, 2025
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.
100.0
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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