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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureTimber Construction & CarpentryLe Mont-Sur-LausanneGRAZ SA Constructions Bois
GRAZ SA Constructions Bois Logo
Verified· 3 sourcesTrust Score
Summary

About the company

GRAZ SA Constructions Bois is a timber construction company providing planning and execution of wooden structures. Its services include structural carpentry, extensions and loft additions, halls and roofing, insulation and cladding work, CNC machining (K2i) and renovation and specialised timber works.

AI-generated
Offering

Products & services

Industry:Timber Construction & Carpentry
✓ Offered8
Timber construction services
Planning, timber framing, roof underlay, insulation, cladding, special works and renovation for timber structures.
Timber frame extensions
Building extensions of houses with execution plans, timber-frame construction, timber framing, insulation, airtightness, cladding and staircase.
Wood renovations
Renovations of buildings and existing components, with execution plans, site management, timber framing, insulation, roof underlay and cladding.
Timber villa construction
Construction of villas and detached houses in timber-frame construction, timber framing, insulation, cladding and fit-outs related to the timber structural works.
Timber apartment building construction
Construction of timber apartment buildings and residences, with timber frame, composite slabs, joist framing, floors and acoustic ceiling linings.
Timber hall construction
Construction of timber-frame halls and road-service halls, with timber-frame wall panels, triangulated trusses, partitions, composite slabs and floors.
Timber carports and pergolas
Construction of timber carports and pergolas, with study, execution plan, timber-frame wall panels, joist framing, façade cladding and finishing.
Special timber works
Special timber works for specific projects, including restaurants and temples, with site-adapted execution.
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4.0/5

GRAZ SA Constructions Bois

Trust & reputation

ranQ Trust Score of GRAZ SA Constructions Bois: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

GRAZ SA Constructions Bois scores 56.8 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.73.124%
  • 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%
GRAZ SA Constructions Bois 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%
GRAZ SA Constructions Bois 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%
GRAZ SA Constructions Bois scores 37.1 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 35.37.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

GRAZ SA Constructions Bois reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 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
5
of 5

Aggregated from 3 reviews across all connected sources

Sources
GGoogle53
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Chemin de Budron H 15
1052 Le Mont-Sur-Lausanne
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:00
Tue
07:00 - 12:00, 13:00 - 17:00
Wed
07:00 - 12:00, 13:00 - 17:00
Thu
07:00 - 12:00, 13:00 - 17:00
Fri
07:00 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-110.316.310
Founded
2003 · 23 years
Last commercial register change
July 13, 2026
Employees
11 to 20
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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