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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureTimber constructionBuch Am IrchelBosshard Söhne AG
Bosshard Söhne AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Bosshard Söhne AG is a timber construction and carpentry company that provides planning and execution of wooden structures. Its services include timber construction, carpentry, roofing, building envelopes and façades, crane work, photovoltaic installations, prefabricated element construction, interior fit-out, sawmill services and supply/cutting of building materials.

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Service area

Offering

Products & services

Industry:Timber construction
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Bosshard Söhne AG

✓ Offered12
Timber construction
Roof trusses, timber structures, carports, shelters, entrance canopies and balconies; wall and ceiling cladding, roof dormers, new builds, conversions and repairs.
Element construction
Single- and multi-family houses in element construction; prefabrication of wall, floor and roof elements in the workshop and fast installation on site, including for extensions and dormers.
Interior fit-out
Cladding work in new builds and conversions; floors, wall cladding in dry construction, ceiling lining, loft conversions, partition walls and acoustic improvements.
Sawmill
Cutting customers’ timber with a block band saw; advice on storage and, on request, finishing of the raw material for custom wood products.
Floors – Timber decking grilles
Terrace decking made from local timbers such as larch, Douglas fir, oak or robinia, and on request also from imported woods, planned individually and implemented.
Staircases
Wood staircases in different shapes and designs, straight or winding, simple or striking; combinations with other materials are also possible.
Roofing
Pitched roofs with clay tiles, concrete tiles, fibre-cement sheets, trapezoidal metal sheets, wooden shingles or natural slate; planning, coordination and execution, including rooflights and dormers.
Roof maintenance
Advisory and renovation of roofs, including assessment of ageing, weather-related impacts and possible renovation requirements to preserve function and value.
Building envelope refurbishment
Refurbishment of building envelopes to protect against heat, frost, moisture and insufficient ventilation; improving energy consumption, market value and building fabric.
Facades
Ventilated facades made of wood as well as facades with clinker, thermal insulation, metal, glass, plastic, fibre cement or slate.
Crane work
Use of the company’s own telescopic terrain crane as a substitute for a construction crane, for work in remote locations or as a work platform on facades; feasibility checks and execution.
Photovoltaic system (PV)
Planning and use of photovoltaic systems to convert solar radiation into electrical energy, with grid feed-in or storage of the solar power.
Trust & reputation

ranQ Trust Score of Bosshard Söhne AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of November 2026

Bosshard Söhne AG scores 72.7 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.72.524%
  • 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.61.010%
  • 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.88.08%
Bosshard Söhne AG 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%
Bosshard Söhne AG 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%
Bosshard Söhne AG scores 11.1 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 35.11.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Bosshard Söhne AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.6 out of 5 stars from 10 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
4.6
of 5

Aggregated from 10 reviews across all connected sources

Sources
GGoogle4.610
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Desibachstrasse 39
8414 Buch Am Irchel
Opening hours
Mon
07:30 - 12:00, 13:00 - 17:00
Tue
07:30 - 12:00, 13:00 - 17:00
Wed
07:30 - 12:00, 13:00 - 17:00
Thu
07:30 - 12:00, 13:00 - 17:00
Fri
07:30 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.748.709
Founded
1976 · 50 years
Last commercial register change
August 3, 2026
Employees
11 to 20

Active in 1 of 26 cantons

  • ZHZurich
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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