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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureTimber Construction & CarpentryNesslauGiger Holzbau AG
Giger Holzbau AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Giger Holzbau AG is timber construction, particularly the planning and execution of construction projects in the field of timber construction, including: timber construction, timber element construction, carpentry, renovation, new construction, facade construction, staircase construction, and Isofloc thermal technology. The company also offers planning and consulting services and specializes in the implementation of individual construction projects, ranging from single-family homes and multi-family homes to renovation of old buildings and agricultural buildings.

AI-generated
Offering

Products & services

Industry:Timber Construction & Carpentry
✓ Offered7
Planning / Architectural services
Design development, preliminary project, building permit, detailed execution planning as well as supervision and construction management for residential, commercial and agricultural buildings; including energy and fire protection calculations.
Timber element construction
Prefabrication and installation of timber elements for single-family homes, industrial buildings and agricultural buildings; suitable for short construction times and Minergie buildings.
Carpentry work
Attic build-outs, complete residential renovations, installation of windows and doors as well as fabrication and erection of all types of structures; including thermal insulation to Minergie standard.
Renovations
Renovations of existing buildings and residential renovations in timber construction, from modernisation to structural renewal of existing buildings.
New builds
New builds and extensions in timber construction, from single-family homes to larger construction projects with individual planning and implementation.
Timber facades
Timber facades and timber cladding for new builds and existing buildings, also with additional thermal insulation and design options in terms of color choice.
Staircase construction
Wooden stair constructions for interior fit-out, matching wall and ceiling linings, floors and other timber work.
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4.0/5

Giger Holzbau AG

Trust & reputation

ranQ Trust Score of Giger Holzbau AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Giger Holzbau AG scores 58.0 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.68.224%
  • 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.17.610%
  • 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%
Giger Holzbau 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%
Giger Holzbau AG 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%
Giger Holzbau AG scores 2.3 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 35.2.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Giger Holzbau AG 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 1 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 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Lutenwil
9650 Nesslau
Opening hours
Mon
07:00 - 17:00
Tue
07:00 - 17:00
Wed
07:00 - 17:00
Thu
07:00 - 17:00
Fri
07:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.801.616
Founded
1998 · 28 years
Last commercial register change
August 7, 2023
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.
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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