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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding ConstructionUnterlangeneggKropf Bau
Kropf Bau Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Kropf baut encompasses comprehensive work in civil engineering and construction, including: Civil engineering: excavation, site layout, laying of drainage and sewage pipes; Construction: renovation, new construction, and renovation of single-family and multi-family homes; Agricultural construction: work in the agricultural sector; Watercourse maintenance: work on watercourses and stream construction; Environmental work: work on access roads, paths, garden walls, parking lots, and other environmental work. The company also offers comprehensive services as a master builder, including planning, execution, and supervision of construction projects.

AI-generated
Offering

Products & services

Industry:Building Construction
✓ Offered6
Civil engineering
Civil engineering works for excavation, setting out the building layout, and laying drainage and wastewater pipes.
Building construction
Building construction works for conversions and new builds using concrete, limestone or brick; construction of floors, walls and ceilings, complemented by collaboration with Kropf Holzbau.
Renovation
Renovation works for conversions and new builds using concrete, limestone or brick; construction of floors, walls and ceilings, with collaboration with Kropf Holzbau.
Agricultural buildings
Construction of livestock buildings as well as new builds, extensions and renovations of stables, manure pits, shelters and barns; support from concept through to implementation.
Watercourse maintenance
Maintenance of watercourses with work on locks, weirs, riverbank slopes, flood protection and the water flow; experience from stream construction and work for municipalities.
External works
Works around the house such as driveways, garden walls, renovation of garage forecourts, as well as fresh water, wastewater and drainage pipes.
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3.9/5

Kropf Bau

Trust & reputation

ranQ Trust Score of Kropf Bau: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

Kropf Bau 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%
Kropf Bau scores 82.2 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%
Kropf Bau 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%
Kropf Bau scores 14.3 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 35.14.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Kropf Bau 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 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.

Knowledge

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Comparisons

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Location

Hühnermoos
3614 Unterlangenegg
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:00
Tue
07:00 - 12:00, 13:00 - 17:00
Wed
07:00 - 12:00, 13:00 - 17:00
Thu
07:00 - 12:00, 13:00 - 17:00
Fri
07:00 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-113.068.522
Founded
2006 · 20 years
Last commercial register change
May 12, 2014
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.
67.0
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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