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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryCrafts & TradesRooferAesch LuTG-Flachdach GmbH
TG-Flachdach GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of TG-Flachdach GmbH is the execution of works in the areas of flat roof construction, liquid plastics and sheet metal work, particularly in new buildings, conversions and renovations of roofs, as well as the provision of services such as green roofing, groundwater sealing and terrace coatings.

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Service area

Offering

Products & services

Industry:Roofer
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3.9/5

TG-Flachdach GmbH

✓ Offered5
Flat roof work
Flat roofs with bituminous membranes and liquid plastics, waterproofing for new builds, conversions and renovations; consulting, execution, repairs and maintenance.
Green roof landscaping
Green roof landscaping for flat roofs, execution of greening projects that contribute to habitats for plants and animals as well as to improving the environment.
Terrace surfacing
Laying various terrace surfacing materials for construction projects in the flat roof and rooftop terrace sector.
Groundwater waterproofing
Groundwater waterproofing against water ingress and moisture in the building, for cellars and other structures; reliable and long-lasting execution.
Sheet metal work
Sheet metal work with cladding, roof edges, trims, gutters and downpipes, adapted to the building style.
Trust & reputation

ranQ Trust Score of TG-Flachdach GmbH: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

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Data basis 96% · As of November 2026

TG-Flachdach GmbH scores 62.1 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.50.08%
TG-Flachdach GmbH scores 75.7 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.83.012%
  • 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%
TG-Flachdach GmbH scores 86.7 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).86.722%
TG-Flachdach GmbH scores 6.9 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.6.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

TG-Flachdach GmbH reaches a ranQ Trust Score of 3.9 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 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.

Knowledge

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Comparisons

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Location

Moosmatten 5
6287 Aesch Lu
Opening hours
Mon
07:00 - 11:45, 13:00 - 17:00
Tue
07:00 - 11:45, 13:00 - 17:00
Wed
07:00 - 11:45, 13:00 - 17:00
Thu
07:00 - 11:45, 13:00 - 17:00
Fri
07:00 - 11:45, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-192.589.104
Founded
2017 · 9 years
Last commercial register change
April 27, 2023
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • LUAesch (LU)
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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