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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesSpecialized Construction InstallationsFislisbachBHV Müller
BHV Müller Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of BHV Müller is the consulting and implementation of energetic building renovations for homeowners, property owners and managers, condominium associations and housing cooperatives. This includes the conception, planning and execution of renovation measures such as heating and air conditioning, solar energy, energy storage, electrical installations and charging stations, building automation, building insulation, glazing and shading. The company also assumes the role of client representation and supports the implementation of renovation projects.

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Products & services

Industry:Specialized Construction Installations
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3.8/5

BHV Müller

5
Consulting
Consulting for energy renovations, on-site assessment of the property, thermography and a camera drone, feasibility checks, preliminary concept with full cost calculation, second opinion on quotations.
Client representation
Client representation for energy renovations, interface between the client, trades, authorities and offices, project management, coordination, cost management, grants and building applications.
Energy renovation measures
Measures for the energy refurbishment of the building envelope, heat generation, heat distribution, photovoltaics, energy management and electrical systems.
Energy management and building automation
Energy management with building automation, energy and consumption metering, consumption optimisation, control of heating and indoor climate, PV monitoring, shading control and EV charging station management.
Support for disputes in strata condominium ownership
Moderation and support for renovations in residential and strata condominium communities to find consensus-capable solutions and majority-approved decisions.
Trust & reputation

ranQ Trust Score of BHV Müller: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

BHV Müller scores 65.0 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.73.124%
  • 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.35.310%
  • 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%
BHV Müller scores 57.0 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.50.012%
  • 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%
BHV Müller 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%
BHV Müller scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

BHV Müller reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 3 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 3 reviews across all connected sources

Sources
GGoogle53
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Grabenäckerstrasse 6
5442 Fislisbach

At a glance

Legal form
Sole proprietorship
UID
CHE-283.420.079
Founded
2023 · 3 years
Last commercial register change
November 29, 2023
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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