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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureInterior ConstructionSeengenFankhauser Holzbau AG
Fankhauser Holzbau AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Fankhauser Holzbau AG is timber construction, particularly the planning and execution of timber construction projects, including element construction, interior finishing, insulation, MHM houses, terrace floors, staircase construction, waterworks and carpentry.

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Offering

Products & services

Industry:Interior ConstructionTimber Construction & Carpentry
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4.1/5

Fankhauser Holzbau AG

✓ Offered8
Carpentry work
Timber structures for new builds, conversions and renovations, based on traditional know-how, 40 years of company history and ongoing training.
Prefabricated timber construction
Prefabrication of building parts in the workshop and on-site assembly for fast, precisely made timber structures.
Interior fit-out
Interior fit-out for individual living requirements, with suitable solutions for living areas and the finishing standard of buildings.
Insulation
Thermal insulation and summer heat protection with isofloc insulation material for new builds, refurbishments of existing buildings and special projects.
MHM houses
Building with the solid timber wall system (Massiv-Holz-Mauer) for solid, ecological and flexible houses with a free choice of floor plan.
Staircase construction
Timber staircases in straight, curved, spiral or freestanding designs for properties.
Terrace flooring
Terrace flooring for lakeside terraces, swimming pool terraces, and terraces for the garden, balcony or house roof.
Water works
Maintenance work on or over the water, including jetties, piers and boathouses.
Trust & reputation

ranQ Trust Score of Fankhauser Holzbau AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Fankhauser Holzbau AG scores 65.2 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.70.824%
  • 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.27.910%
  • 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.95.08%
Fankhauser 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%
Fankhauser 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%
Fankhauser Holzbau AG scores 10.9 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 35.10.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Fankhauser Holzbau 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 2 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 2 reviews across all connected sources

Sources
GGoogle52
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Boniswilerstrasse 32
5707 Seengen
Opening hours
Mon
07:00 - 12:00, 13:15 - 17:30
Tue
07:00 - 12:00, 13:15 - 17:30
Wed
07:00 - 12:00, 13:15 - 17:30
Thu
07:00 - 12:00, 13:15 - 17:30
Fri
07:00 - 12:00, 13:15 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.109.905
Founded
1969 · 57 years
Last commercial register change
May 24, 2013
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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