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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsBuchs SgArchitekten Zogg & Freuler, Inhaber Heinz Zogg
Architekten Zogg & Freuler, Inhaber Heinz Zogg Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Architekten Zogg & Freuler, Inhaber Heinz Zogg is an architectural and general contracting practice providing planning, project management and construction services. Offerings include new builds and renovations for single- and multi-family houses, commercial and public buildings, land offerings, financing advice, color-concept services and Minergie-related services.

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Products & services

Industry:Architecture FirmsGeneral Contractors
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Architekten Zogg & Freuler, Inhaber Heinz Zogg

✓ Offered9
Single-family homes
Single-family homes in solid or timber construction, individually planned and implemented with cost awareness, with attention to details and a fair value for money.
Multi-family buildings
Multi-family buildings with or without commercial use, in solid or timber construction, realized according to preferences and positioned as investment properties.
Conversions and renovations
Conversions and renovations using both new and existing building structures, including adaptation to the client’s needs and different site and construction conditions.
Commercial and industrial buildings
Design and construction of exhibition spaces, workshops, production and warehouse halls, as well as office and administrative buildings.
Public buildings
Delivery of public buildings for municipalities, schools and hospitals.
Colour concepts
Analysis of wishes and needs, development of colour concepts for interiors and façades, complemented by visualizations and colour samples.
Minergie buildings
Houses and buildings built to the Minergie standard, with reduced energy consumption and improved quality of living.
Building land
Intermediation or provision of building land in the region in an attractive residential area, with contact details for further information.
Financing
Intermediation of financing contacts for owner-occupied housing with banks, including advice on the financial aspects from start to finish.
Trust & reputation

ranQ Trust Score of Architekten Zogg & Freuler, Inhaber Heinz Zogg: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

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Data basis 96% · As of October 2026

Architekten Zogg & Freuler, Inhaber Heinz Zogg scores 78.4 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.82.524%
  • 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.61.010%
  • 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.88.08%
Architekten Zogg & Freuler, Inhaber Heinz Zogg scores 78.5 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.55.07%
Architekten Zogg & Freuler, Inhaber Heinz Zogg 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%
Architekten Zogg & Freuler, Inhaber Heinz Zogg scores 20.0 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.20.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Architekten Zogg & Freuler, Inhaber Heinz Zogg 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 10 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 10 reviews across all connected sources

Sources
GGoogle510
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

St. Gallerstrasse 25
9470 Buchs Sg
Opening hours
Mon
08:00 - 12:00, 13:00 - 18:00
Tue
08:00 - 12:00, 13:00 - 18:00
Wed
08:00 - 12:00, 13:00 - 18:00
Thu
08:00 - 12:00, 13:00 - 18:00
Fri
08:00 - 12:00, 13:00 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-106.087.572
Founded
1992 · 34 years
Last commercial register change
January 22, 2021
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.67.06%
  • 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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