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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,544 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureTimber Construction & CarpentryGachnangL7 GmbH
L7 GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

L7 GmbH is a timber construction company that provides carpentry services, timber house projects and passive-house construction. Its range also includes halls and commercial buildings as well as interior fit-outs and woodwork such as flooring, kitchens and cabinets.

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Products & services

Industry:Timber Construction & Carpentry
✓ Offered7
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3.7/5

L7 GmbH

Carpentry and timber construction
Carpentry for roof trusses, dormers, roof windows, loft and gallery conversions, facade cladding, prefabricated elements, doors, gates, stairs, building insulation and timber panelling.
Minergie and passive houses
Solid timber buildings for Minergie-P and passive houses with comfort ventilation, use of solar and geothermal energy, and a highly airtight building envelope.
Building reuse and upcycling
Relocation, dismantling and conversion of buildings or housing cubes to new uses, including planning, transport and conversion into жилingspace.
Hall and commercial building construction
Hall, commercial and industrial buildings as well as office buildings, storage halls, agro buildings, silo buildings and stables with practical construction and planning.
Floor coverings
Parquet, plank flooring, cork and laminate, plus parquet surface treatments by oiling, sealing, smoking and waxing.
Kitchen construction
Kitchens with island, L-shaped or U-shaped layouts, and with adjoining storage room, integrated into the living area and designed for practical use.
Cabinet and wardrobe construction
Built-in cupboards, dressing rooms and wardrobes, planned and installed to fit, including sliding-door wardrobes and tall-cabinet fittings.
Trust & reputation

ranQ Trust Score of L7 GmbH: 3.7 out of 5.0

Trust Score3.7/ 5.0

Solid

x

Data basis 96% · As of October 2026

L7 GmbH scores 48.3 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.58.124%
  • 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.35.310%
  • 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.35.08%
L7 GmbH scores 77.2 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.86.512%
  • 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%
L7 GmbH 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%
L7 GmbH 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

L7 GmbH reaches a ranQ Trust Score of 3.7 out of 5.0 — rated «Solid». The rating draws, among other things, on 3.7 out of 5 stars from 3 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
3.7
of 5

Aggregated from 3 reviews across all connected sources

Sources
GGoogle3.73
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Oberwilerstrasse 11
8547 Gachnang

At a glance

Legal form
Limited Liability Company
UID
CHE-200.462.815
Founded
2016 · 10 years
Last commercial register change
January 17, 2017
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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