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

About the company

Gebr. Hermann AG is a construction company offering road construction, civil engineering (earthworks), building construction, landscaping/site works and demolition services. The company maintains its own machinery and vehicle fleet to perform transport, excavation and paving works.

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Offering

Products & services

Industry:Building ConstructionBuilding MaintenanceCivil Engineering
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Gebr. Hermann AG

Site Preparation
Masonry Work
✓ Offered10
Road construction
New construction, renovation and maintenance of traffic areas, surfacing works and edge finishing for safe, long-lasting roads and squares.
Civil engineering
Earthworks, excavation, foundations, drainage and pipeline construction with a modern machinery fleet and experienced specialist staff.
Hydraulic engineering
Works on watercourses, bank reinforcements, flood protection and hydraulic structures for long-lasting solutions.
Site and landscaping construction
Natural stone walls, squares, staircases, parking areas and humus works for functional outdoor spaces.
Demolition
Dismantling of buildings and facilities, demolition work and proper disposal on the construction site.
Winter maintenance
Winter maintenance services for roads, footpaths and parking lots to ensure accessibility during snow and ice.
Concrete works
Concrete works for foundations, retaining walls and structural components executed precisely and professionally.
Oven and well construction
Traditional natural-stone oven and well construction for functional and long-lasting installations.
Stone walls
Natural and exposed-stone walls for slope stabilisation, gardens and squares.
Outdoor areas and seating spaces
Design of outdoor facilities, squares and leisure areas for functional and usable outdoor spaces.
Trust & reputation

ranQ Trust Score of Gebr. Hermann AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Gebr. Hermann AG scores 69.4 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.75.024%
  • 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.40.910%
  • 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.88.08%
Gebr. Hermann AG scores 85.5 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.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.55.07%
Gebr. Hermann AG scores 83.3 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).83.322%
Gebr. Hermann AG scores 3.7 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 35.3.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Gebr. Hermann AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 4 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 4 reviews across all connected sources

Sources
GGoogle54
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Rietstrasse 5
8890 Flums
Opening hours
Mon
24h
Tue
24h
Wed
24h
Thu
24h
Fri
24h
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.298.232
Founded
1993 · 33 years
Last commercial register change
May 16, 2023
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.
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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