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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryIT & CommunicationSoftware DevelopmentFehraltorfStemac Industrie-Elektronik AG
Stemac Industrie-Elektronik AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Stemac Industrie-Elektronik AG is electrical planning for machines and systems, including programming of SPS/CNC and robot systems, as well as creation of electrical schematics with CAD software (Eplan) and construction of control systems. Additionally, the company offers conversions, revisions and sales of spare parts for machines and systems.

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Products & services

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3.9/5

Stemac Industrie-Elektronik AG

✓ Offered9
Electrical planning for machines and plants
Planning and project design, CAD drawings, specification of plant functions, wiring diagrams and cabinet layout plans for machine and plant control systems.
PLC/CNC/robot software development
Software development for PLC, CNC and robot control systems, including operator panels, legacy controllers, control technology and setpoint control via Profibus/Profinet.
Control cabinet construction
Manufacturing control cabinets for industrial and machine control systems in the in-house workshop, including commissioning and testing before delivery.
Wiring of machines and plants
Machine and plant wiring for industrial systems and machine control systems, including electrical installations and mechanical assembly work.
Control system retrofit
Control system retrofit for machine tools and industrial plants, including replacement of drives, control system, adaptation components and mechanical inspection.
Maintenance, support and troubleshooting
Maintenance and support for plants, training and assistance for operating personnel, site management and service for fault troubleshooting.
Software service for older PLC/CNC controls
Software service for older PLC, CNC and robot control systems, including Simatic S5, Sinumerik 3G/810/820/850/840C and ABB S4/S4C.
Plant visualisation and operator panels
Software for plant visualisation and operator and monitoring devices with WinCC HMI software and project design for Siemens TP and OP devices.
Control cabinets
Control cabinets for industrial and machine control systems, manufactured in the in-house workshop and commissioned and tested before delivery.
Trust & reputation

ranQ Trust Score of Stemac Industrie-Elektronik AG: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

Stemac Industrie-Elektronik AG scores 56.9 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.61.524%
  • 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.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.70.08%
Stemac Industrie-Elektronik 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%
Stemac Industrie-Elektronik AG scores 83.3 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).83.322%
Stemac Industrie-Elektronik AG scores 6.3 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 35.6.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Stemac Industrie-Elektronik AG reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 4.0 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
4
of 5

Aggregated from 3 reviews across all connected sources

Sources
GGoogle43
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Allmendstrasse 19
8320 Fehraltorf
Opening hours
Mon
07:30 - 12:00, 13:00 - 18:00
Tue
07:30 - 12:00, 13:00 - 18:00
Wed
07:30 - 12:00, 13:00 - 18:00
Thu
07:30 - 12:00, 13:00 - 18:00
Fri
07:30 - 12:00, 13:00 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-103.938.920
Founded
1989 · 37 years
Last commercial register change
August 26, 2026
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.100.06%
  • 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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