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

About the company

Witschi AG is a construction company providing services in building construction, civil and road engineering, renovation and construction management. Its services include industrial construction and concrete works, floor and surface systems (including resin coatings), pipeline and trenchless installation, excavation, transport and waste disposal, plus a 24-hour emergency construction service (Witschi24).

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Products & services

Industry:Building Construction
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Witschi AG

7
Building construction
New builds, industrial construction, monolithic concrete, exposed concrete and tamped concrete for smaller and larger above-ground construction projects; also multi-family houses and other structures.
Modernisation
Renovations, customer masonry work, asbestos remediation as well as concrete drilling and cutting; coordination of the work from the idea to implementation on existing buildings.
Floors and floor coverings
Subfloor preparation, visible floors, decorative floor coverings, resin coatings, industrial floor coverings and floor grinding for industry, commercial premises, public buildings and private homes.
Civil engineering and road construction
Excavation, civil deep construction, trenchless utility installation, road construction, site works, deep construction service as well as sewer and utility line construction.
Transport
Skip container service, waste disposal, Witschi24, vehicles and winter service for building materials, heavy loads, bulky goods and waste.
Construction management
Management, coordination and implementation of construction projects of any kind.
Construction emergency (Witschi24)
24/7 construction emergency service, 365 days a year, for example in case of burst pipes or a flooded basement.
Trust & reputation

ranQ Trust Score of Witschi AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Witschi AG scores 75.6 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.85.610%
  • 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.95.08%
Witschi AG scores 76.5 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.70.212%
  • 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%
Witschi AG 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%
Witschi AG scores 77.1 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 35.77.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Witschi AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.3 out of 5 stars from 28 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 28 reviews across all connected sources

Sources
GGoogle4.328
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Murgenthalstrasse 87
4900 Langenthal

At a glance

Legal form
Corporation
UID
CHE-273.702.659
Founded
2020 · 6 years
Last commercial register change
September 30, 2026
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.
100.0
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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