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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsSalgeschGervas Heinzmann Architektur- und Bauleitungs AG
Gervas Heinzmann Architektur- und Bauleitungs AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Gervas Heinzmann Architektur- und Bauleitungs AG provides architectural design and construction management services for residential and commercial buildings. Offerings include Minergie consulting, property valuations, interior fit-out planning and the production of architectural perspectives.

AI-generated
Offering

Products & services

Industry:Architecture Firms
✓ Offered6
Architecture
Architecture for new builds and renovations, focusing on functional and aesthetic design as well as implementing wishes and needs.
Construction site management
Construction site management for building projects, combined with architectural planning and supervision on site in Salgesch.
Minergie
Minergie consulting and planning for houses with low energy consumption, thermal insulation, a tight building envelope and a good ventilation system.
Appraisals
Appraisals of existing buildings and properties as a basis for banks, insurance companies or estate divisions.
Interior fit-out
Interior fit-out consulting on materials, colours and different combinations for shaping interior spaces.
Perspectives
Interior and architectural perspectives to visualise the planned home or building project.
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4.2/5

Gervas Heinzmann Architektur- und Bauleitungs AG

Trust & reputation

ranQ Trust Score of Gervas Heinzmann Architektur- und Bauleitungs AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

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Data basis 96% · As of October 2026

Gervas Heinzmann Architektur- und Bauleitungs AG scores 71.3 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.78.124%
  • 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.49.510%
  • 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.78.08%
Gervas Heinzmann Architektur- und Bauleitungs AG scores 86.2 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.97.712%
  • 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%
Gervas Heinzmann Architektur- und Bauleitungs 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%
Gervas Heinzmann Architektur- und Bauleitungs AG scores 10.9 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 35.10.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Gervas Heinzmann Architektur- und Bauleitungs AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 6 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 6 reviews across all connected sources

Sources
GGoogle56
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Weinbergstrasse 13
3970 Salgesch
Opening hours
Mon
07:30 - 12:00, 13:00 - 17:00
Tue
07:30 - 12:00, 13:00 - 17:00
Wed
07:30 - 12:00, 13:00 - 17:00
Thu
07:30 - 12:00, 13:00 - 17:00
Fri
07:30 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-215.809.939
Founded
2012 · 14 years
Last commercial register change
October 3, 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.100.06%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.85.03%
    • Full methodology

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