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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentSolar & PhotovoltaicsLenzburgSchäfer Partner AG
Schäfer Partner AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Schäfer Partner AG is the planning and implementation of electrical and energy technology projects, particularly in the areas of: electrical planning, building automation, energy technology (medium and low voltage, emergency power and UPS systems), security systems, solar technology and electromobility, lightning protection and earthing systems, electrobiology and EMV, owner consulting and energy consulting, and general planning. The company offers these services for various types of projects, such as new constructions, renovations, refurbishments and expansions of buildings, especially in the field of residential and commercial properties.

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Products & services

Industry:Solar & Photovoltaics
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Schäfer Partner AG

✓ Offered
11
Electrical design
Electrical design for demanding construction projects, professional electrical engineering, lighting technology, emergency and safety lighting, BIM across all phases of the construction period.
Building automation
Building automation for commercial and residential construction, networked building systems with heating, ventilation, air conditioning, lighting, shading, security, monitoring and energy management.
KNX system integrator
KNX system integration for single-family and multi-family houses, commercial and industrial sites, as well as public facilities, including shading, lighting, security systems and visualization.
Energy engineering
Design of medium- and low-voltage distribution systems as well as emergency power and UPS systems, including coordination with authorities and implementation of the NISV.
Solar technology, electromobility
Design of photovoltaic systems, ZEV, battery storage, energy concepts, charging points for electric vehicles, load management, feasibility studies and energy optimization.
Security systems
Design of intrusion alarm systems, video surveillance, access control, emergency and safety lighting, EVAC and voice alarm systems, fire detection systems, smoke and heat extraction systems.
Lightning protection, earthing systems
Design of lightning protection systems and earthing systems for all types of properties and uses, including protection against direct lightning strikes and the routing of lightning current.
Electrobiology, EMC
Planning, measurement and assessment according to the NISV and building biology reference values, concepts against electrosmog, shielding measures, stray current remediation and earthing optimization.
Client advisory
Advisory for private and public clients regarding individual project phases or the entire project, including expert reports, cost controls, second opinions, design to cost, maintenance and quality assurance.
Energy consulting
Energy consulting for architects, institutions, municipalities, private clients, planners and installers, focusing on lower energy consumption, renewable energy, energy concepts, funding support and documentation.
General planning
General planning for building services in collaboration with planning partners from architecture, heating, air conditioning, refrigeration, ventilation and plumbing and sanitary installations, including coordination of all interfaces.
Trust & reputation

ranQ Trust Score of Schäfer Partner AG: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

Schäfer Partner AG scores 49.8 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.68.224%
  • 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.17.610%
  • 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.35.08%
Schäfer Partner 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%
Schäfer Partner 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%
Schäfer Partner 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

Schäfer Partner AG reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 1 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 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Bahnhofstrasse 13
5600 Lenzburg
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 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-113.887.141
Founded
2007 · 19 years
Last commercial register change
September 24, 2025
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.
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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