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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding ConstructionLungernGhelma AG Baubetriebe, Zweigniederlassung Lungern
Ghelma AG Baubetriebe, Zweigniederlassung Lungern Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Ghelma AG Baubetriebe, Zweigniederlassung Lungern provides building and civil engineering services, including road, mountain and underground construction, and undertakes general contracting, small-scale construction and transport services.

AI-generated
Offering

Products & services

Industry:Building Construction
✓ Offered8
Building construction
Building construction for single-family homes, residential developments as well as commercial and industrial buildings; including new builds and extensions, residential construction and conversion works.
Civil engineering
Civil engineering with earthworks, bridges, dam and retention structures, renaturalisation projects, bridge construction, retaining walls in natural stone, earthmoving, railway construction, hydraulic engineering and contaminated-site remediation.
Road construction
Road construction for national roads, cantonal roads, municipal and district roads, including surfacing, forest roads, utility line construction, wastewater works and stone paving.
Mountain construction
Mountain construction for building works in mountainous terrain, mountain railways/cable cars, snowmaking systems, structures in the mountains and specialist works at exposed sites.
Underground and rock construction
Underground and rock construction with rock excavation, road and railway tunnels, power-plant adits, blasting management, rock construction as well as adit and tunnel construction.
General contracting
General contracting for new-build and refurbishment projects of residential and commercial properties as well as industrial and business buildings.
Minor construction
Minor construction for single- and multi-family homes, conversions, renovations, exterior and site works, slab flooring, drilling and milling works, and site coordination.
Transport services
Transport services with vehicle fleet, including gravel and concrete deliveries, crane operations, heavy-haul transport and skip service.
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4.2/5

Ghelma AG Baubetriebe, Zweigniederlassung Lungern

Trust & reputation

ranQ Trust Score of Ghelma AG Baubetriebe, Zweigniederlassung Lungern: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Ghelma AG Baubetriebe, Zweigniederlassung Lungern scores 73.1 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.71.824%
  • 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.78.610%
  • 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.70.08%
Ghelma AG Baubetriebe, Zweigniederlassung Lungern scores 71.4 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%
Ghelma AG Baubetriebe, Zweigniederlassung Lungern 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%
Ghelma AG Baubetriebe, Zweigniederlassung Lungern scores 100.0 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 35.100.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Ghelma AG Baubetriebe, Zweigniederlassung Lungern reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.5 out of 5 stars from 21 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
4.5
of 5

Aggregated from 21 reviews across all connected sources

Sources
GGoogle4.521
★TrustpilotSoon
PProvenExpertSoon

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

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Comparisons

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Location

Oberdorfstrasse 6
6078 Lungern
Opening hours
Mon
07:30 - 12:00, 13:15 - 17:00
Tue
07:30 - 12:00, 13:15 - 17:00
Wed
07:30 - 12:00, 13:15 - 17:00
Thu
07:30 - 12:00, 13:15 - 17:00
Fri
07:30 - 12:00, 13:15 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Branch
UID
CHE-225.426.066
Founded
2020 · 6 years
Last commercial register change
August 25, 2020
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.76.06%
  • 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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