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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryCrafts & TradesSheet metal workerLangenthalSägesser + Oberli AG
Sägesser + Oberli AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Sägesser Oberli AG is the provision of services in the field of building technology, particularly in the areas of: * Sanitary installations (e.g. repair of dripping faucets, bathroom renovations) * Roofing and sheet metal work (e.g. roofing, lightning protection systems) * Heating technology The company offers these services to private and commercial customers and has specialized in the areas of sanitary, roofing and heating.

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Service area

Offering

Products & services

Industry:Sheet metal worker
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Sägesser + Oberli AG

Photovoltaics
✓ Offered5
Sanitary installations
Sanitary installations for repairs, bathroom conversions, new builds and renovations, plus appliance installation or replacement, including descaling systems and proper disposal of old units.
Sheet metal roofing and plumbing work
Sheet metal roofing and plumbing work to protect buildings from water ingress, including work on sheet metal components and roof details, with traditional craftsmanship and apprentice training.
Lightning protection
Lightning protection for public and private buildings, from planning to completion; provided as a licensed contractor with support and possible GVB cost participation.
Heating installation and solar systems
Heating replacement, heating installation, solar systems and chimney renovation, plus maintenance and service, including heat pumps, gas heating and oil heating.
Chimney work
Chimney renovation, new chimney construction, stainless steel chimneys and chimney-head repairs for firing systems, carried out according to current fire safety rules.
Trust & reputation

ranQ Trust Score of Sägesser + Oberli AG: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of November 2026

Sägesser + Oberli AG scores 82.0 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.85.424%
  • 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.68.910%
  • 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.88.08%
Sägesser + Oberli 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%
Sägesser + Oberli 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%
Sägesser + Oberli AG scores 20.0 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 35.20.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Sägesser + Oberli AG reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 14 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
5
of 5

Aggregated from 14 reviews across all connected sources

Sources
GGoogle514
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Gaswerkstrasse 66a
4900 Langenthal
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 - 16:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.150.173
Founded
1984 · 42 years
Last commercial register change
November 3, 2026
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • BELangenthal
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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