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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureFacade constructionIllgaubuergler-dach ag
buergler-dach ag Logo
Verified· 4 sourcesTrust Score
Summary

About the company

buergler-dach ag is a building-envelope contractor that works on pitched and flat roofs and façades, and carries out sheet-metal and carpentry work. Its services also include building maintenance, solar technology, and advice and planning for new construction, alterations and renovations.

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Service area

Offering

Products & services

Industry:Facade constructionRoofer
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buergler-dach ag

Photovoltaics
✓ Offered10
Consulting & Planning
Consultation meetings, construction planning, CAD drawings, condition assessments, building submissions, enquiries about subsidies, and coordination of the construction process until completion of the works.
Building Maintenance
Maintenance of building envelopes and regular service inspections, including a maintenance agreement, periodic roof service, condition checks and preventive detection of damage.
Pitched Roof
Roof coverings and renovations of pitched roofs with underlay, thermal insulation, roof windows as well as tiles, fibre cement, profiled metal sheets, wooden shingles and natural slate.
Flat Roof
Flat roof waterproofing, bituminous and membrane waterproofing, liquid plastic, terrace coverings, protective and wearing layers, light domes, roof greening, and maintenance and servicing.
Facade Construction
Facades for new builds and conversions with Eternit, wood, metal or plaster, including thermal insulation, ventilated and compact facades.
Sheet Metal Works
Roof sheet metal work and special fabrications with gutters, downpipes, flashings and finishing trims, chimney flashings, window sills and window frames.
Carpentry Works
Interior fit-out and renovation, general carpentry work, sound and thermal insulation, claddings, wooden panelling, plasterboards, plastering and floor coverings.
Solar Technology
Solar systems for electricity generation or hot-water preparation, solar collectors, photovoltaics and solar architecture; planning through to the fully mounted system.
Thermography
Thermal imaging for building analysis with expert assessment of the building envelope, detection of heat losses, leaks, moisture ingress, temperature distributions and construction defects.
Multicopter
Aerial shots and optical building inspections with a flight drone, condition reports of the building envelope, recordings of hard-to-access building parts, as well as video production.
Trust & reputation

ranQ Trust Score of buergler-dach ag: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 100% · As of November 2026

buergler-dach ag scores 67.5 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.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.78.08%
buergler-dach 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%
buergler-dach ag scores 88.3 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).88.322%
buergler-dach ag scores 12.9 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 35.25.74%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.0.04%
Qualifications+0.00

buergler-dach 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. 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 4 reviews across all connected sources

Sources
GGoogle54
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

March 15, 2022Media
Hilfsgüter füllen zwei Sattelschlepper
bote.ch

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Location

Lindenmatt 7
6434 Illgau
Opening hours
Mon
07:30 - 17:00
Tue
07:30 - 17:00
Wed
07:30 - 17:00
Thu
07:30 - 17:00
Fri
07:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-114.647.243
Founded
2008 · 18 years
Last commercial register change
January 11, 2024
Employees
11 to 20

Active in 1 of 26 cantons

  • SZSchwyz
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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