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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryAgriculture & ForestryForesterTrimbachGebrüder Straumann AG
Gebrüder Straumann AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Gebrüder Straumann AG is a forestry contractor providing mechanised tree work and landscape maintenance. Its services include specialist tree felling, stump grinding, mulching, slope stabilisation and watercourse construction.

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Service area

Offering

Products & services

Industry:Forester
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4.1/5

Gebrüder Straumann AG

3
Special tree felling
Tree felling at difficult sites, cutting, securing and transporting trees; use of special machinery near buildings, overhead power lines and transport routes.
Stump grinding & mulching
Removal of stumps by milling, mulching of grass, shrubs and woody growth, clearing and land reclamation of overgrown areas.
Slope stabilization and water control
Stabilisation of landslide-prone slopes and waterway lining using wood or stones; renovation, reinforcement and securing of terrain as well as excavation work in difficult terrain.
Trust & reputation

ranQ Trust Score of Gebrüder Straumann AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of November 2026

Gebrüder Straumann AG scores 63.5 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.73.124%
  • 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.35.310%
  • 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%
Gebrüder Straumann AG scores 89.3 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%
Gebrüder Straumann AG 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%
Gebrüder Straumann AG scores 12.0 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 35.12.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Gebrüder Straumann 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 3 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 3 reviews across all connected sources

Sources
GGoogle53
★TrustpilotSoon
PProvenExpertSoon

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

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Comparisons

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Location

Hauensteinstrasse 14
4632 Trimbach
Opening hours
Mon
07:00 - 17:00
Tue
07:00 - 17:00
Wed
07:00 - 17:00
Thu
07:00 - 17:00
Fri
07:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-109.073.365
Founded
2001 · 25 years
Last commercial register change
June 25, 2020
Employees
11 to 20

Active in 3 of 26 cantons

  • BSBasel-City
  • BEBern
  • ZHZurich
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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