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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsZurichNiedermann Sigg Schwendener Architekten AG
Niedermann Sigg Schwendener Architekten AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Niedermann Sigg Schwendener Architekten AG is the planning and realization of construction projects in the field of schools, nursing homes, care centers, residential complexes and other public and private buildings. The company offers architectural services for the design, planning and implementation of construction projects.

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Products & services

Industry:Architecture Firms
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4.1/5

Niedermann Sigg Schwendener Architekten AG

✓ Offered3
Comprehensive architectural services
Design, planning and execution of new builds and conversions, restoration of listed buildings, energy-focused renovations and general planner services.
Competition and study commission management
Processing of competitions and study commissions with a focus on housing, schools and sport, as well as seniors and care; mainly for public building authorities.
Feasibility studies and consulting
Feasibility studies and consulting for private clients and institutional investors in connection with architectural and construction projects.
Trust & reputation

ranQ Trust Score of Niedermann Sigg Schwendener 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.

Niedermann Sigg Schwendener 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.
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%
Niedermann Sigg Schwendener Architekten AG scores 89.3 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.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.70.07%
Niedermann Sigg Schwendener Architekten AG 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%
Niedermann Sigg Schwendener Architekten AG scores 8.6 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 35.17.14%
  • 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

Niedermann Sigg Schwendener 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

July 1, 2026Media
Alters- und Pflegeheim Länzerthus Niedermann Sigg Schwendener Architekten AG
swiss-architects.com
December 9, 2021Media
Den Wolf gezähmt und für die nächsten Jahre scharf gemacht -
swiss-architects.com
June 27, 2013Media
Niedermann Sigg Schwendener Architekten
swiss-architects.com
May 2, 2013Media
Traumschiff für Dietikon - Seniorenresidenz und Pflegeheim Ruggacker
swiss-architects.com

Knowledge

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Location

Grüngasse 19
8004 Zurich

At a glance

Legal form
Corporation
UID
CHE-114.055.539
Founded
2008 · 18 years
Last commercial register change
October 12, 2017
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.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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