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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureFacade constructionNeunkirchU. Brunner AG
U. Brunner AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

U. Brunner AG carries out pitched and flat roofing work, sheet-metal work, façade cladding and insulation. Its services also include roof waterproofing, maintenance and green roofs.

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Presence

Service area

Offering

Products & services

Industry:Facade constructionRoofer
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4.0/5

U. Brunner AG

Sheet metal worker
✓ Offered8
Pitched roof
Warm roof and full rafter insulation, vapour barrier, thermal insulation, underlay, roofing material, green roofs, alternative energy generation, sheet metal work and types of tiles.
Flat roof
Flat roof build-ups with thermal insulation, vapour barrier, waterproofing, protective and wearing layer, green roofs and sheet metal work; Sarnavap vapour barriers are explicitly mentioned.
Roofing sheet metal work
Roof drainage with gutters and downpipes, flashings, cladding of roof structures and chimneys, and sheet metal roofs for roof and facade areas.
Facades
Facades with substructure, thermal insulation, windproofing membrane, ventilated cladding, as well as sheet metal work and metal components.
Roof fixtures
Roof windows, various roof structures and snow guard devices for pitched roofs and roof areas.
Maintenance
Inspecting, assessing, repairing, renovating and roof cleaning for facade and roofing systems.
Waterproofing
Waterproofing works with Sika sealing sheets for structures, ornamental ponds, water basins, tanks and similar special cases.
Solar roof tiles
In-roof solar systems for electricity generation with an aesthetic roof design, optimal use of roof area and simple, time-saving installation.
Trust & reputation

ranQ Trust Score of U. Brunner AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of November 2026

U. Brunner AG scores 60.5 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.72.124%
  • 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.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.50.08%
U. Brunner 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%
U. Brunner 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%
U. Brunner AG scores 4.0 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 35.4.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

U. Brunner AG reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 4.8 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 November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
4.8
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle4.84
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Hallauerstrasse 38
8213 Neunkirch
Opening hours
Mon
07:00 - 18:00
Tue
07:00 - 18:00
Wed
07:00 - 18:00
Thu
07:00 - 18:00
Fri
07:00 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-108.040.699
Founded
1982 · 44 years
Last commercial register change
January 10, 2020
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • SHNeunkirch
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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