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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIndustryElectrical IndustrySurseeSigmatic AG
Sigmatic AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

Sigmatic AG is a diversified company working in heating, cooling, solar and automation solutions for residential and commercial buildings. The company supplies products such as heat pumps, wood heating, district heating, solar systems and battery storage, and provides engineering, cloud and switchgear services as well as consulting, planning, installation and maintenance.

AI-generated
Offering

Products & services

Industry:Electrical Industry
✓ Offered12
Heat pump
Heat pumps for new builds and renovations, using energy from air, ground or water, including planning, installation and consulting.
Solar system
Photovoltaic and solar thermal solutions for electricity and heat, including consulting, planning, installation and grant processing.
Building automation
Automation solutions for heating, cooling, ventilation, domestic hot water, lighting and shading, with system integration, commissioning, training and maintenance.
Air-conditioning systems
Air-conditioning systems and cooling systems for residential and commercial premises, with consulting, planning, installation as well as service and maintenance.
Wood heating
Wood heating systems with firewood, pellet and wood-chip boilers for CO2-neutral heat supply, tailored to single-family houses, agriculture and commercial use.
District heating
District heating systems and heat transfer stations for local and district heating networks in various output sizes, suitable for multi-family homes and public buildings.
Thermal storage
Thermal storage systems to store surplus heat from heating systems, solar thermal or heat pumps and to supply it according to demand.
Water heater
Water heaters for use together with solar thermal, heat pumps or boilers, with storage technology and good insulation.
ZEV (self-consumption community)
Self-consumption community for multi-family homes and commercial units, with planning, implementation and management of shared solar power.
E-mobility
Charging solutions for electric vehicles, from private wallboxes to scalable charging infrastructure for company fleets.
Battery storage
Battery storage systems for intermediate storage of surplus energy, combinable with solar installations or as a backup system.
Switchgear construction
Planning, manufacturing, documentation and commissioning of switchgear in-house, including wiring diagrams, control cabinet construction, as well as service and maintenance.
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4.4/5

Sigmatic AG

Trust & reputation

ranQ Trust Score of Sigmatic AG: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 100% · As of October 2026

Sigmatic AG scores 79.4 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.75.024%
  • 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.77.410%
  • 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.95.08%
Sigmatic 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%
Sigmatic 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%
Sigmatic AG scores 44.3 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 35.88.64%
  • 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

Sigmatic AG reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.6 out of 5 stars from 20 customer reviews. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.6
of 5

Aggregated from 20 reviews across all connected sources

Sources
GGoogle4.620
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

December 28, 2023Media
Von der Ein-Mann-Firma zum 80 Mitarbeiter-Betrieb – so baute Guido Sieger die Sigmatic auf und aus
surseerwoche.ch
September 25, 2023Media
Inserat zur Pensionierung schlägt hohe Wellen
surseerwoche.ch

Knowledge

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Location

Infanteriestrasse 2
6210 Sursee
Opening hours
Mon
07:30 - 11:45, 13:15 - 17:00
Tue
07:30 - 11:45, 13:15 - 17:00
Wed
07:30 - 11:45, 13:15 - 17:00
Thu
07:30 - 11:45, 13:15 - 17:00
Fri
07:30 - 11:45, 13:15 - 16:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.277.483
Founded
1985 · 41 years
Last commercial register change
May 29, 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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