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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsWinterthurSchumacher Somm Architekten AG
Schumacher Somm Architekten AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The core activity of Schumacher Somm Architekten AG is the planning and realization of architectural projects, including new buildings, renovations and conversions, as well as participation in architectural competitions.

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Products & services

Industry:Architecture Firms
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3.7/5

Schumacher Somm Architekten AG

6
Architectural planning for new builds
Design, project and execution planning of new builds for residential buildings, commercial and office buildings, as well as public buildings.
Architectural planning for conversions and renovations
Conversions of residential buildings, schools and education facilities, commercial and office buildings, as well as listed buildings protected as monuments.
Competition entries
Participation in architectural competitions for school facilities, residential developments, public buildings and commercial buildings.
Project and feasibility studies
Project and feasibility studies for construction projects, including studies for residential buildings, renovations and change of use.
Cost estimates
Cost estimates for construction projects as part of preliminary and project planning.
Site supervision
Site supervision during execution as well as support throughout the entire planning and construction process.
Trust & reputation

ranQ Trust Score of Schumacher Somm Architekten AG: 3.7 out of 5.0

Trust Score3.7/ 5.0

Solid

x

Data basis 100% · As of October 2026

Schumacher Somm Architekten AG scores 51.1 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.58.124%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.35.310%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.50.08%
Schumacher Somm Architekten AG scores 80.4 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.79.212%
  • 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%
Schumacher Somm 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%
Schumacher Somm Architekten AG scores 4.7 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 35.9.44%
  • 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

Schumacher Somm Architekten AG reaches a ranQ Trust Score of 3.7 out of 5.0 — rated «Solid». The rating draws, among other things, on 3.7 out of 5 stars from 3 customer reviews. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
3.7
of 5

Aggregated from 3 reviews across all connected sources

Sources
GGoogle3.73
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

Press

Media

July 10, 2026Media
Überbauung Wagenareal - s'WAGI Schumacher Somm Architekten AG
world-architects.com

Knowledge

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Location

Stadthausstrasse 51
8400 Winterthur
Opening hours
Mon
08:00 - 18:00
Tue
08:00 - 18:00
Wed
08:00 - 18:00
Thu
08:00 - 18:00
Fri
08:00 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-339.770.731
Founded
2018 · 8 years
Last commercial register change
February 14, 2018
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.
100.0
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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