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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSite PreparationWattenwilRoseng & Grütter GmbH
Roseng & Grütter GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Roseng&Grütter GmbH is the execution of specialized separation and processing work on concrete and natural stones, including: core drilling with diameters from 10 mm to 1000 mm, cutting concrete and natural stones with the wall saw, creating cuts in concrete and asphalt with the joint cutter, precise cuts in almost all inclinations with the electric robot, and separating building components with the wire saw. The company offers these services in the area of demolition and processing of concrete and natural stones.

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Products & services

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3.8/5

Roseng & Grütter GmbH

✓ Offered
5
Core drilling
Precision drilling in concrete and natural stone from 10 to 1000 mm diameter, with near dust-free, low-vibration execution for pipe penetrations, ventilation ducts and installations.
Concrete cutting
Precise cuts in concrete and natural stone with wall saws up to 730 mm depth, including openings for doors, windows, renovations and conversions.
Demolition and dismantling
Controlled demolition with remote-controlled electric robots, including selective dismantling, chiselling work and demolition using hydraulic grab tools in confined spaces.
Wire sawing
Wire sawing for nearly any structural thickness and material type, suited to complex cutting tasks and large constructions when conventional methods are insufficient.
Joint cutting
Precise cuts in concrete and asphalt surfaces up to 470 mm deep, for road renovations, foundation work and industrial projects.
Trust & reputation

ranQ Trust Score of Roseng & Grütter GmbH: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

Roseng & Grütter GmbH scores 65.9 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.70.08%
Roseng & Grütter GmbH scores 61.5 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.50.012%
  • 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%
Roseng & Grütter GmbH scores 83.3 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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%
Roseng & Grütter GmbH scores 1.1 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 35.1.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Roseng & Grütter GmbH reaches a ranQ Trust Score of 3.8 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.

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Location

Blumensteinstrasse 28c
3665 Wattenwil

At a glance

Legal form
Limited Liability Company
UID
CHE-422.276.038
Founded
2023 · 3 years
Last commercial register change
January 19, 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.
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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