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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryIndustryEnergy IndustrySeuzachIWK Integrierte Wärme und Kraft AG
IWK Integrierte Wärme und Kraft AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of IWK Integrierte Wärme Kraft AG is the development, construction and servicing of combined heat and power plants (CHP) and other sustainable energy systems, particularly in the field of bio-, sewage-, wood- and special gasification as well as natural gas and hydrogen. The company offers customized energy systems for industry, municipalities and wastewater treatment plants, and supports its customers in the planning, implementation and maintenance of these systems.

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Products & services

Industry:Energy Industry
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IWK Integrierte Wärme und Kraft AG

✓ Offered10
Block CHP units (BHKW)
Block CHP units for decentralized electricity and heat generation, as compact container systems or integrated into existing buildings; individually configured for different output ranges and fuels.
Planning, implementation and commissioning of energy solutions
Planning, analysis, design, construction and commissioning of BHKW-based energy solutions, tailored to the specific requirements of industry, municipalities and other applications.
Service, maintenance and on-call duty
Service and on-call duty for BHKW systems with inspections (overhaul), maintenance, troubleshooting, oil management, spare-parts supply and full maintenance, plus a hotline reachable around the clock.
Energy solutions for industrial companies
Heat and power cogeneration for industry with high-performance BHKW, process heat, load-following (electricity-led) operation, emergency power and island operation capability, as well as project support from analysis to maintenance.
Own energy for municipalities and energy utilities
BHKW solutions for municipalities and energy utilities with in-house electricity and heat generation, grid feed-in, emergency power, island operation and plant maintenance.
Supply security
BHKW systems for secured energy supply with emergency power and island operation, LNG/Bio-LNG concepts for blackout scenarios, and Swissgrid pre-qualification for control (balancing) power.
Biogas solutions
Biogas plants with fermentation technologies, use of biogas in BHKW, planning of gas cleaning and exhaust after-treatment, as well as construction and commissioning.
Hydrogen BHKW (H2)
Hydrogen-operated or bivalent BHKW units, H2-ready systems with blending up to 20%, conversion to pure hydrogen operation and Power-to-Gas applications.
Wood gasification plants
Wood gasification plants with SynCraft for sustainable energy supply from wood, including project development, implementation, commissioning, maintenance and training.
Gas measuring devices (Sewerin)
Sewerin Multitec and BioControl gas measuring devices for measurement and monitoring in the BHKW environment, as a distribution solution for the Swiss market.
Trust & reputation

ranQ Trust Score of IWK Integrierte Wärme und Kraft AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

IWK Integrierte Wärme und Kraft AG scores 63.8 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.63.324%
  • 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.45.610%
  • 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.88.08%
IWK Integrierte Wärme und Kraft 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%
IWK Integrierte Wärme und Kraft AG scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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%
IWK Integrierte Wärme und Kraft AG scores 34.3 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 35.34.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

IWK Integrierte Wärme und Kraft AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.2 out of 5 stars from 5 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
4.2
of 5

Aggregated from 5 reviews across all connected sources

Sources
GGoogle4.25
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Aspstrasse 11
8472 Seuzach

At a glance

Legal form
Corporation
UID
CHE-101.524.275
Founded
1989 · 37 years
Last commercial register change
June 13, 2024
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.100.06%
  • 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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