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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsRomanshornZECH ARCHITEKTUR
ZECH ARCHITEKTUR Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The core activity of Zech Architektur is the planning, design and realization of construction projects, particularly in the fields of architecture, interior design and building planning. The company offers services such as new construction, renovation, rehabilitation and renovation of residential buildings, commercial buildings, public buildings and other structures.

AI-generated
Offering

Products & services

Industry:Architecture Firms
✓ Offered4
Architectural planning
Drafting, planning and execution of architectural projects; development of ideas and coherent concepts, tailored individually to wishes, needs, site and task.
Working on existing buildings
Conversion, renovation and refurbishment of existing buildings; projects involving residential buildings, barns, farm buildings, boathouses and monastery buildings highlight the focus on existing structures.
New-build planning
Planning and realisation of new-builds, in particular residential buildings, semi-detached single-family houses, harbour pavilions, See-Badi and other new-build projects.
Studies and competitions
Development of studies and competition submissions, for example for Zentrum Altnau and Fabrica; development of variants and conceptual solutions.
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3.8/5

ZECH ARCHITEKTUR

Trust & reputation

ranQ Trust Score of ZECH ARCHITEKTUR: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 100% · As of October 2026

ZECH ARCHITEKTUR scores 56.8 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.73.124%
  • 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.35.08%
ZECH ARCHITEKTUR scores 78.5 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%
ZECH ARCHITEKTUR scores 86.7 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).86.722%
ZECH ARCHITEKTUR scores 6.5 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 35.2.94%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.10.04%
Qualifications+0.00

ZECH ARCHITEKTUR reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 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
5
of 5

Aggregated from 3 reviews across all connected sources

Sources
GGoogle53
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

October 2, 2019Media
In Horn plant ein Seebub das neue Seebad
tagblatt.ch

Knowledge

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Comparisons

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Location

Schulstrasse 4 b
8590 Romanshorn
Opening hours
Mon
08:00 - 17:30
Tue
08:00 - 17:30
Wed
08:00 - 17:30
Thu
08:00 - 17:30
Fri
08:00 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-108.190.695
Founded
1995 · 31 years
Last commercial register change
December 29, 2005
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.
67.0
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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