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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding ConstructionStansClemens Christen Bau GmbH
Clemens Christen Bau GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Clemens Christen Bau GmbH is the provision of services in the construction industry, particularly in the following areas: masonry work, drilling, renovations, scaffolding, new construction, reconstruction, facade renovation, drywall construction, and excavation services. The company thus offers a wide range of construction-related services, from planning to execution of construction projects.

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Offering

Products & services

Industry:Building ConstructionBuilding Maintenance
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Clemens Christen Bau GmbH

Civil Engineering
✓ Offered10
New Build Construction
New-build construction in structural building for multi-family and single-family houses, plus extensions and surrounding works.
Conversions and Renovations
Conversion, renovation and maintenance work on existing homes and infrastructure, including rapid assistance for building damage and work in occupied premises.
Civil Engineering
Civil engineering work for structural access and infrastructure, listed as a standalone service in the offerings overview.
Customer Masonry Work
Small and larger special assignments for customers, from kitchen and bathroom conversions to cellar walls, drainage and forecourt repairs.
Concrete Repairs
Concrete repairs with condition assessment, cleaning and protection of corroded reinforcement, crack repair, structural strengthening and surface restoration.
Facade Renovations
Facade renovations to solve facade problems on buildings worth preserving, while keeping the building character and using traditional techniques.
Core Drilling
Core drilling for retrofitted openings in concrete, brick, lime sand brick and natural stone masonry, dry or wet, up to 300 mm diameter.
Drywall Construction
Drywall construction with lightweight partitions, sound insulation, fire protection and dry installation; finishes available as render, smooth plaster, wallpaper, wall panels or paint.
Landscape Construction
Landscape construction with drainage, retaining walls in concrete, elements or natural stone, plus seating areas, privacy screens, garden slabs, block paving and turf.
Skip Container Service
Skip container service with a compact 7.5-tonne vehicle and mini skips, flat skips and high-sided skips for tight access routes.
Trust & reputation

ranQ Trust Score of Clemens Christen Bau GmbH: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

Clemens Christen Bau GmbH scores 53.8 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.70.824%
  • 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.27.910%
  • 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%
Clemens Christen Bau GmbH 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.89.612%
  • 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%
Clemens Christen 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%
Clemens Christen Bau GmbH scores 9.1 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 35.9.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Clemens Christen Bau GmbH 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 2 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 2 reviews across all connected sources

Sources
GGoogle52
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Stansstaderstrasse 52
6370 Stans
Opening hours
Mon
08:00 - 12:00, 13:00 - 17:00
Tue
08:00 - 12:00, 13:00 - 17:00
Wed
08:00 - 12:00, 13:00 - 17:00
Thu
08:00 - 12:00, 13:00 - 17:00
Fri
08:00 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-167.346.194
Founded
2015 · 11 years
Last commercial register change
September 15, 2020
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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