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

About the company

The company offers services and solutions in the areas of infrastructure automation, energy technology, industrial and process automation, data solutions, as well as building and area automation. The company's core activity includes the development and implementation of customized solutions for digital transformation, including the planning, engineering and realization of automation systems, control systems and data solutions for various industries such as energy, industry, healthcare, food and infrastructure.

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Offering

Products & services

Industry:Technical Consulting & Engineering
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4.0/5

Sigren Engineering AG

Electrical Industry
✓ Offered10
Building and site automation
Integrated interconnection of sensors, actuators and superior site management systems for building operation, energy efficiency and coordinated building technology.
Infrastructure automation
Automation and control technology for transport, tunnel and other infrastructure facilities, including operating and safety equipment, power supply, lighting, ventilation and monitoring.
Energy engineering
Automation and control technology for energy supply, energy distribution, energy production and energy management, including grid control and energy control systems.
Industrial and process automation
Automation and control technology for secure, complex media generation plants in the food and pharmaceutical industry, including a digital twin and GAMP/GMP-qualified solutions.
Data solutions
Data management solutions for data analytics, platform management and alarm management, including conceptual design, planning, implementation and networking of SCADA, cloud and reporting systems.
Consulting
Consulting on network structure, segmentation, VLANs and secure connection of existing IT infrastructures to new systems, together with the customer's IT departments.
Support and maintenance
24/7 support, 1st to 3rd level support, on-site missions, ticketing and maintenance contracts, plant optimisations and retrofits.
Sigren Academy
Further training for employees and external specialists, eLearning and classroom courses, customer-specific workshops as well as courses on building automation, HLKSE/MSRL, KNX, OPC-UA and BACnet.
SIGEBA engineering and lifecycle platform
Engineering platform for end-to-end information and data integrity, digital twin, workflows and data management; based on Siemens Comos and supporting existing as well as new plants.
SINERGIE – Energy management system
Energy management system for building automation with transparency over energy data, optimisation of energy efficiency, reduction of energy and plant costs as well as CO2 emissions.
Trust & reputation

ranQ Trust Score of Sigren Engineering AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 100% · As of October 2026

Sigren Engineering AG scores 58.3 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.61.010%
  • 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%
Sigren Engineering 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%
Sigren Engineering AG scores 86.7 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).86.722%
Sigren Engineering AG scores 23.8 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 35.34.34%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.13.34%
Qualifications+0.00

Sigren Engineering AG reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 4.3 out of 5 stars from 10 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 10 reviews across all connected sources

Sources
GGoogle4.310
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

October 23, 2020Media
BKW kauft Schweizer Firma Sigren Engineering
swissinfo.ch

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Location

Theaterstrasse 17
8400 Winterthur

At a glance

Legal form
Corporation
UID
CHE-106.521.522
Founded
2000 · 26 years
Last commercial register change
August 26, 2026
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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