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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,837 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureConstruction & Project ManagementGwatt (Thun)Käser Bau und Haustechnik
Käser Bau und Haustechnik Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company Käser Bau und Haustechnik offers a wide range of services in the fields of construction and building technology. The core activities include: Construction: kitchens, wall and floor coverings, interior finishing, renovations, environmental work, carpentry and metalwork; Building technology: bathrooms, sanitary facilities, heating and service. The company thus provides comprehensive solutions for construction and building technology projects and positions itself as a full-service provider in this area.

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Products & services

Industry:Construction & Project ManagementInterior Construction
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4.0/5

Käser Bau und Haustechnik

Plumbing & Building Services
✓ Offered10
Construction and interior fit-out works
Interior fit-out, renovations, drywall work, timber construction, masonry work, demolition work, as well as painting and plastering work for new builds, refurbishment and modernisation.
Bathroom planning and bathroom refurbishment
Custom bathrooms, barrier-free bathrooms, wellness bathrooms, as well as new builds and refurbishments, including individual advice and planning from a single source.
Plumbing installations
Plumbing installations, repairs, descaling, unblocking of drains, water damage and burst-pipe work, as well as replacement work and servicing of household appliances.
Heating installations and heat pumps
Heating installations, heat pumps, underfloor heating, renewable energies, as well as new installations, refurbishments, modernisation work and advice on cost efficiency, safety and environmental impact.
Underfloor heating
Retrofit milling for underfloor heating, install and set up heating circuit manifolds, lay them, connect, flush and skim, as well as rental of groove cutters.
Kitchen works
Kitchen works as part of construction, as part of interior fit-out and renovations.
Wall and floor coverings
Wall and floor coverings in connection with construction, interior fit-out and renovations.
Outdoor works
Outdoor works around construction projects and properties.
Timber works
Timber works as part of construction, interior fit-out and renovations.
Metal works
Metal works as part of construction, interior fit-out and renovations.
Trust & reputation

ranQ Trust Score of Käser Bau und Haustechnik: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Käser Bau und Haustechnik scores 71.6 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.72.924%
  • 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.63.210%
  • 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%
Käser Bau und Haustechnik scores 67.8 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.75.012%
  • 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%
Käser Bau und Haustechnik scores 85.0 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).85.022%
Käser Bau und Haustechnik scores 9.1 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 35.9.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Käser Bau und Haustechnik reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 4.6 out of 5 stars from 11 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
4.6
of 5

Aggregated from 11 reviews across all connected sources

Sources
GGoogle4.611
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Hofackerstrasse 20
3645 Gwatt (Thun)
Opening hours
Mon
07:30 - 17:00
Tue
07:30 - 17:00
Wed
07:30 - 17:00
Thu
07:30 - 17:00
Fri
Closed
Sat
Closed
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-262.831.784
Founded
2019 · 7 years
Last commercial register change
September 9, 2024
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.
67.0
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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