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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint744,823 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringFlumsSF Elektro-Engineering AG
SF Elektro-Engineering AG Logo
Verified· 5 sourcesOwner confirmed
Last updatedSeptember 10, 2026
Summary

About the company

Die SF Elektro-Engineering AG ist ein führendes Schweizer Ingenieurbüro für industrielle Automation, Elektroplanung und Systemtechnik. Mit rund 40 Jahren Erfahrung und mehr als 60 Spezialisten bietet das nach ISO 9001, Siemens und ePLAN zertifizierte Unternehmen massgeschneiderte Lösungen für den Maschinen- und Anlagenbau. Das Leistungsspektrum reicht von SPS-Programmierung, Antriebstechnik und Maschinensicherheit über Retrofit bis hin zum 24/7-Support. Als verlässlicher Engineering-Partner steigert SF Elektro-Engineering die Effizienz und Zukunftsfähigkeit Ihrer Produktionsanlagen.

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Offering

Products & services

Industry:Technical Consulting & Engineering
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SF Elektro-Engineering AG

✓ Offered11
Industrial automation and control systems
Industrial automation and control systems for production and process plants, including planning, programming, commissioning and lifecycle support.
Advisory, project management and engineering
Advisory, project management, engineering, control systems and maintenance for plant and automation projects, from concept to operation.
Electrical design
Electrical design for power distribution, power quality and standard-compliant dimensioning, considering machine safety, ATEX zones, VKF and NIN.
Automation / control
Automation and control with control and automation systems, operator and monitoring systems, industrial communication and process control engineering.
Drive technology
Drive technology for industrial production, welding technology, coatings, robotics, storage and conveying technology, pumps, fans, compressors and cranes.
Expertise

Expert

Patrik Schlegel
Patrik Schlegel
Owner & CEO

Approachable leadership with customer contact at eye level and expertise in industrial automation

Qualifications & certifications
BSc Elektrotechnik2021
EFZ Elektroplaner2015
Reviews

Aggregated rating

Aggregated rating
4.9
of 5

Aggregated from 9 reviews across all connected sources

Sources
GGoogle4.99
★TrustpilotSoon
PProvenExpertSoon

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

Common questions

Answers

Do you also support machine safety and standards?
Yes, we plan and assess safety solutions for industrial facilities in compliance with standards. In doing so, we take into account, among other things, machine safety, ATEX zones, VKF and EN ISO 13849, EN 62061, EN 60204 and IEC 61508, NIN and NIV. The aim is maximum plant output without compromising plant safety.
Do you also take on electrical planning for new systems?
Yes – electrical planning for new facilities is part of our core offering as an extended workbench. We take care of the complete electrical planning: from conception through wiring diagrams and schematics to switchgear documentation, including consideration of applicable standards for machine safety, power quality, ATEX, VKF, NIN, NIV, and more, up to the software of the automation solution. Whether as a partial engagement to relieve your engineering team or as a complete project execution – we integrate into your existing processes and standards, so that your team remains free for core tasks.
Which industries, sectors and plants do you service?
We primarily service companies in the machinery and plant engineering sector and their suppliers, with a focus on vacuum and coating technology (including semiconductor/PVD systems), bulk material handling and conveying technology as well as crane and lifting technology. In addition, we support OEMs across industries in new developments and retrofit projects. What matters is not the industry but the need: we are the right partner when engineering capacity for automation and machine safety is required.
What services does SF cover in engineering overall
Our range of services includes electrical planning, software programming, and machine safety for the development of new systems or for retrofits of existing systems. SF Engineering supports your projects with EMSRL specialists – for a specific project, point-based, or on a permanent basis. You can selectively add individual services or hand over a complete project to us – aligned with your existing processes and capacity bottlenecks.
When is engineering outsourcing to SF-Engineering suitable?
Engineering outsourcing to SF is suitable for companies where the full costs of a new hire – recruitment, onboarding, tooling, training – are no longer economical compared to external project hours. Studies quantify these full costs at 50–200% of the annual salary. It is especially worthwhile when short-term capacity is required: Faster time-to-market or clearing large backlogs can be flexibly achieved with an external partner – hardly with permanent staff.
Press

Media

Media
Local CH
local.ch
Retrofit Getreidesammelstelle
youtube.com
Retrofit Glasproduktion
youtube.com
Retrofit Hobelwerk
youtube.com
Blog
Swissmem SEMI
linkedin.com
Credentials

Certifications & memberships

Siemens Solution Partner
EPLAN Certified Engineer (ECE)
PSAgA
CMSE Maschinensicherheitsexperten Elektrik
ISO9001
ISO9001 zertifiziert seit 2002
October 20, 2028
Knowledge

Articles about SF Elektro-Engineering AG

1 article
5 min read

How to modernize a grain collecting station in Retrofit?

We at SF Elektro-Engineering AG repeatedly see in such projects certain patterns: the bottleneck is not the most visible component, but the coordination within the overall system. That is why a retrofit in a historically grown plant is particularly worthwhile when operating reliability, standard compliance and availability are to be improved simultaneously.

September 11, 2026·Read article
Comparisons

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Contact

Location

Marktstrasse 21
8890 Flums

At a glance

Legal form
Corporation
UID
CHE-103.856.831
Founded
1987 · 39 years
Last commercial register change
April 14, 2025
Employees
51 to 100

Active throughout Switzerland

  • AGAargau
  • AIAppenzell Inner Rhodes
  • ARAppenzell Outer Rhodes
  • BLBasel-Country
  • BEBern
  • FRFribourg
  • GEGeneva
  • GLGlarus
  • GRGrisons
  • JUJura
  • LULucerne
  • NENeuchâtel
  • NWNidwalden
  • OWObwalden
  • SHSchaffhausen
  • SZSchwyz
  • SOSolothurn
  • SGSt. Gallen
  • TGThurgau
  • TITicino
  • URUri
  • VSValais
  • VDVaud
  • ZGZug
  • ZHZurich
  • BSBasel
  • BSBettingen
  • SOKleinlützel
  • BSRiehen
  • BLRoggenburg