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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesElectrical Planning & InstallationSteffisburgMuff & Schmutz AG
Muff & Schmutz AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Muff & Schmutz AG is an electrical installation company that advises, plans and implements projects for electrical systems. Its services include electrical installations, telematics, photovoltaics, security solutions and vocational training for apprentices.

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Offering

Products & services

Industry:Electrical Planning & Installation
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Muff & Schmutz AG

✓ Offered10
Electrical installations
Electrical installations in detached and terraced single-family homes, multi-family buildings, service buildings, shops, hospitals, military facilities, and public institutions.
Electric vehicle charging stations
Charging stations for parking spaces, carports, garages, and indoor parking halls; advice, planning, and implementation of suitable e-mobility solutions.
Smart home solutions
Electrical installations as smart home solutions for intelligent and comfortable control of the home.
KNX bus installations
Design and installation of KNX bus projects from a single source, including implementation of the individual project.
MCR systems
Installation of MCR systems for complex building automation and control technology.
Energy distribution systems
Energy distribution systems up to 1000 A, including planning the required distribution systems with partners from switchgear construction.
Lighting concepts
Lighting solutions with suitable luminaires and controls for different applications and buildings.
Telematics installations
Telematics systems for internet, networking, and voice communication; fiber optics, LAN, WLAN, structured building cabling, and telephone systems.
Photovoltaic systems
Photovoltaic systems with advice and a complete offer; on request with battery storage and collaboration with partners for implementation.
Security and alarm systems
Alarm systems for water, fire, and burglary protection, wireless or wired, with app control, alerting, and a service subscription.
Trust & reputation

ranQ Trust Score of Muff & Schmutz AG: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of October 2026

Muff & Schmutz AG scores 75.7 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.68.624%
  • 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.82.910%
  • 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%
Muff & Schmutz AG scores 95.0 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.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.82.07%
Muff & Schmutz AG 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%
Muff & Schmutz AG scores 57.1 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 35.57.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Muff & Schmutz AG reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.4 out of 5 stars from 25 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
4.4
of 5

Aggregated from 25 reviews across all connected sources

Sources
GGoogle4.425
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Sanddornweg 4
3613 Steffisburg
Opening hours
Mon
07:00 - 11:45, 13:00 - 17:00
Tue
07:00 - 11:45, 13:00 - 17:00
Wed
07:00 - 11:45, 13:00 - 17:00
Thu
07:00 - 11:45, 13:00 - 17:00
Fri
07:00 - 11:45, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.798.630
Founded
1975 · 51 years
Last commercial register change
December 13, 2023
Employees
21 to 50
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.95.03%
    • Full methodology

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