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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding contractorDörflingenwolfKeller GmbH
wolfKeller GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

wolfKeller GmbH is a construction company carrying out building and civil engineering work. Its services include residential, commercial and industrial construction, excavation and utility work, crane operations, renovations and conversions.

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Service area

Offering

Products & services

Industry:Building contractor
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4.2/5

wolfKeller GmbH

General contractor
✓ Offered3
Building construction
Single-family houses, multi-family houses, industrial, commercial, office and agricultural buildings, as well as garages, shelters and annexes; formwork, reinforcement and concrete works, masonry and precast concrete elements.
Civil engineering and crane work
Excavation of construction pits and trenches, utility line and sewer works, crane and truck crane work, waterproofing of concrete structures, and civil engineering concrete works such as reservoirs and retaining walls.
Renovation and conversion
Demolition and removal of kitchens, bathrooms, small units and annexes, removal of doors and windows, core drilling, installation of cellars, floors, walls and lift shafts, masonry work for clients and plastering works.
Trust & reputation

ranQ Trust Score of wolfKeller GmbH: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of November 2026

wolfKeller GmbH scores 69.5 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.76.724%
  • 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.45.610%
  • 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.78.08%
wolfKeller GmbH scores 88.7 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.97.712%
  • 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.82.07%
wolfKeller GmbH scores 86.7 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).86.722%
wolfKeller GmbH scores 17.1 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 35.17.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

wolfKeller GmbH reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 5 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 5 reviews across all connected sources

Sources
GGoogle55
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Landenbergerstrasse 1
8239 Dörflingen
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 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-211.619.392
Founded
2012 · 14 years
Last commercial register change
July 17, 2026
Employees
21 to 50

Active in 1 of 26 cantons

  • SHSchaffhausen
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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