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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,837 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding ConstructionUnterseenZurbuchen Bau GmbH
Zurbuchen Bau GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Zurbuchen Bau Unterseen includes the successful implementation of construction projects in civil engineering and structural engineering, including renovations and special works such as sewer inspections. Specifically, this includes: Civil Engineering: concrete demolition, demolition work, concrete construction, core drilling, formwork construction; Structural Engineering: pipeline construction, trenchless pipeline construction, paving work, road construction, sewerage, drainage; Renovations and Refurbishments: customer-specific masonry, facade construction, floor coverings, environmental work; Special Works: sewer inspections, hydraulic engineering, winter services, sewer cleaning.

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Products & services

Industry:Building Construction
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Zurbuchen Bau GmbH

Building Maintenance
Civil Engineering
Site Preparation
✓ Offered4
Building construction
Construction services for industrial buildings, commercial properties, residential buildings and leisure facilities; including concrete demolition, demolition work, concrete construction, core drilling and formwork construction.
Civil engineering
Construction of underground utility lines, trenchless utility line construction, surfacing works and road construction as well as sewer systems and drainage; with professional restoration of excavation pits.
Renovation and refurbishment
Conversion and renovation of houses and apartments from the planning phase to the paint finish; demolition, masonry work, plastering, facade construction, structural reinforcements, floor coverings and site works.
Special works
CCTV sewer inspections, hydraulic engineering, winter service and sewer cleaning; in addition, cleaning of forecourts, terraces, facades and paved areas with high-pressure water as well as supply of materials.
Trust & reputation

ranQ Trust Score of Zurbuchen Bau GmbH: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Zurbuchen Bau GmbH scores 57.8 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.65.024%
  • 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.35.08%
Zurbuchen Bau GmbH scores 86.7 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.70.07%
Zurbuchen 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.
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).85.022%
Zurbuchen Bau GmbH scores 45.7 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 35.45.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Zurbuchen Bau GmbH reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 4.3 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
4.3
of 5

Aggregated from 9 reviews across all connected sources

Sources
GGoogle4.39
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Bockstorweg 2
3800 Unterseen
Opening hours
Mon
07:30 - 12:00, 13:00 - 17:30
Tue
07:30 - 12:00, 13:00 - 17:30
Wed
07:30 - 12:00, 13:00 - 17:30
Thu
07:30 - 12:00, 13:00 - 17:30
Fri
07:30 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-257.931.658
Founded
2011 · 15 years
Last commercial register change
January 5, 2021
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.
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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