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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringChurSchönholzer AG
Schönholzer AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The core activity of Schönholzer AG is the provision of electrical engineering services for buildings, particularly the planning and implementation of high and low voltage installations, switchgear, service and maintenance, telematics, automation and security.

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Offering

Products & services

Industry:Technical Consulting & EngineeringElectrical Planning & Installation
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Schönholzer AG

✓ Offered6
Electrical installations
Electrical installations for new builds and conversions, small and large projects in industry, commercial premises, administration, housing and public buildings.
Service and maintenance
Customer and service jobs, repairs, installation work, preventive maintenance, electrical inspections, and technical and administrative property-management tasks, with 24-hour service.
Telematics
Communication cabling, mobile communication, switching and routing, IT security, VoIP and UCC, plus consulting, engineering, sales, installation, commissioning and maintenance.
Building automation
KNX-based building automation for lighting, blinds, heating, ventilation, multimedia and security systems, with control and monitoring via smartphone or tablet.
Photovoltaic solar systems
Analysis, consulting and planning, safety certificates and registration applications, installation of rooftop and in-roof systems, storage solutions, AC-side installation and self-consumption optimisation.
E-mobility charging solutions
Planning and installation of single or multiple charging stations and charging management systems, tailored to capacity and safety requirements, including device selection and post-integration support.
Trust & reputation

ranQ Trust Score of Schönholzer AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 100% · As of October 2026

Schönholzer AG scores 66.5 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.65.024%
  • 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.67.110%
  • 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.70.08%
Schönholzer AG scores 94.3 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.90.07%
Schönholzer 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%
Schönholzer AG scores 38.6 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 35.77.14%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.0.04%
Qualifications+0.00

Schönholzer AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.3 out of 5 stars from 13 customer reviews. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.3
of 5

Aggregated from 13 reviews across all connected sources

Sources
GGoogle4.313
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

December 9, 2020Media
RhB Ge 4/4 II 612 bald als Burkhalter Werbelokomotive im Einsatz
bahnonline.ch

Knowledge

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Location

Kalchbühlstrasse 18
7000 Chur
Opening hours
Mon
24h
Tue
24h
Wed
24h
Thu
24h
Fri
24h
Sat
24h
Sun
24h

At a glance

Legal form
Corporation
UID
CHE-105.847.926
Founded
1977 · 49 years
Last commercial register change
July 19, 2023
Employees
51 to 100
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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