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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryCrafts & TradesSpecialized Construction InstallationsGontenschwilHaller Baumontagen
Haller Baumontagen Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Haller Baumontagen is the consulting, sales and installation of various products for residential buildings, particularly mosquito screens, light shaft covers, interior shading systems, central vacuum cleaners, fly screens and pollen protection grids.

AI-generated
Offering

Products & services

Industry:Specialized Construction Installations
✓ Offered4
Insect screens
Insect screens for windows, roof windows and doors; tension frames, roller screens, swing frames, sliding systems, swing doors and pleated insect screens, made to measure and installed.
Light well covers
Custom-made light well covers from Neher in LiSA, RESi and ELSA versions; protection against leaves, small animals and rainwater, with air-permeable and load-bearing designs.
Interior shading
Interior shading with pleated blinds and vertical blinds; various fabrics, surfaces, colours and designs, plus features such as easy care, flame retardancy and sound absorption.
Central vacuum service
Accessories, service and repairs for existing central vacuum systems; no new systems are installed, and orders can be placed by email or phone.
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4.2/5

Haller Baumontagen

Trust & reputation

ranQ Trust Score of Haller Baumontagen: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Haller Baumontagen scores 80.7 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.82.524%
  • 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.61.010%
  • 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.100.08%
Haller Baumontagen scores 78.5 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%
Haller Baumontagen 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%
Haller Baumontagen scores 1.7 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 35.1.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Haller Baumontagen 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 10 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 10 reviews across all connected sources

Sources
GGoogle510
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Schwarzenberg 340
5728 Gontenschwil

At a glance

Legal form
Sole proprietorship
UID
CHE-115.082.303
Founded
2009 · 17 years
Last commercial register change
September 25, 2009
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.
67.0
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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