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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryCrafts & TradesSpecialized Construction InstallationsBurgdorfWalter Uebersax Burgdorf GmbH
Walter Uebersax Burgdorf GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Walter Uebersax Burgdorf GmbH is the planning, installation and renovation of heating systems for new buildings, conversions and existing buildings, as well as energy consulting and the use of renewable energies and CO2-neutral heating systems.

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Products & services

Industry:Specialized Construction Installations
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4.0/5

Walter Uebersax Burgdorf GmbH

4
Heating systems for new-builds
Heating systems for new-builds, planning and installation of heat pumps, pellet stoves, solar energy, gas and oil heating systems, as well as underfloor heating, radiators, ceiling radiant panels and air heaters.
Renovation of heating systems
Renovation of heating systems, replacement of the boiler or burner, switching to renewable energies, and planning and implementation of energy centres of any size.
Conversion of existing heating systems
Conversion of existing heating systems, adaptation of heat generation and heat distribution, expansion of heat output, and installation of more powerful heat generators for renovations and extensions.
Energy consulting
Energy consulting including analysis of planned projects or the existing situation, optimization of energy consumption, comparison of heating systems, as well as information on life cycle and ongoing costs.
Trust & reputation

ranQ Trust Score of Walter Uebersax Burgdorf GmbH: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Walter Uebersax Burgdorf GmbH scores 59.4 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.52.524%
  • 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.78.08%
Walter Uebersax Burgdorf GmbH scores 83.5 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.92.512%
  • 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%
Walter Uebersax Burgdorf GmbH 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%
Walter Uebersax Burgdorf GmbH 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

Walter Uebersax Burgdorf GmbH reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 3.8 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 October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
3.8
of 5

Aggregated from 10 reviews across all connected sources

Sources
GGoogle3.810
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Einschlagweg 59c
3400 Burgdorf
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
Limited Liability Company
UID
CHE-204.417.831
Founded
2014 · 12 years
Last commercial register change
March 13, 2024
Employees
11 to 20
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.
88.0
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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