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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSpecialized Construction ActivitiesWimmisG&D Bau GmbH
G&D Bau GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of G & D Bau GmbH is the execution of construction and renovation projects, particularly in the areas of: roofing, ceramic terrace areas, drywall construction, renovation of old buildings, installation of WPC decking, and roofing work. The company offers comprehensive services in the field of construction and renovation, placing great emphasis on quality, precision, and customer satisfaction.

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Products & services

Industry:Specialized Construction Activities
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3.9/5

G&D Bau GmbH

✓ Offered5
Roofing work
New builds, roof renovation, roof repairs, roof waterproofing, roof insulation, and installation of roof windows for flat and pitched roofs.
Renovations and refurbishments
Complete renovations and partial refurbishments of older buildings and commercial properties, including consulting, planning, energy-efficient measures, as well as fire and acoustic insulation.
Drywall construction
Interior fit-out with partition walls, service-partition installations, suspended ceilings, acoustic ceilings, roof interior finishing, as well as fire and sound insulation solutions.
Ceramic terrace area
Design, planning, laying, as well as renovation and refurbishment of terraces with ceramic tiles for outdoor areas.
WPC decking boards
Consulting, planning, material selection, proper installation, as well as renovation and refurbishment of terrace decking with WPC decking boards.
Trust & reputation

ranQ Trust Score of G&D Bau GmbH: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

G&D Bau GmbH scores 73.9 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.81.624%
  • 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.58.610%
  • 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.70.08%
G&D Bau GmbH scores 61.5 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.50.012%
  • 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%
G&D Bau GmbH 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%
G&D Bau GmbH scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

G&D Bau GmbH reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 9 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 9 reviews across all connected sources

Sources
GGoogle59
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Hauptstrasse 36
3752 Wimmis
Opening hours
Mon
07:00 - 17:00
Tue
07:00 - 17:00
Wed
07:00 - 17:00
Thu
07:00 - 17:00
Fri
07:00 - 17:00
Sat
Closed
Sun
09:00 - 17:00

At a glance

Legal form
Limited Liability Company
UID
CHE-471.215.504
Founded
2023 · 3 years
Last commercial register change
August 17, 2023
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.
88.0
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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