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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryCrafts & TradesSpecialized Construction InstallationsWetzikon ZhIsorol Tacker AG
Isorol Tacker AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Isorol Tacker AG is the execution of geothermal drilling and the installation of geothermal and heating systems, including floor heating, thermoactive building component systems (TABS) and radiators. The company also offers services such as dismantling, installation and ground insulation.

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Products & services

Industry:Specialized Construction Installations
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Isorol Tacker AG

9
Geothermal borehole drilling
Geothermal borehole drilling for geothermal energy projects, including drilling process, preparation, backfilling and commissioning to depths of up to 400 metres.
Installation of underfloor heating
Installation of underfloor heating systems for new builds and renovations, including laying insulation, installing heating pipes and connecting the heating system.
Milling for underfloor heating
Milling channels in the floor for underfloor heating, including planning and marking, laying the pipes and subsequently sealing them with a filler compound.
Thermally activated building systems (TABS)
Thermally activated building systems for heating and cooling via floors, ceilings or walls, including consulting, design, installation and maintenance.
Dry construction underfloor heating systems
Dry construction underfloor heating systems for renovations and buildings without screed, with fast installation and flexible integration into dry construction assemblies.
Radiator installation
Mounting of radiators including brackets, hanging the heating units and aligning the clearances to the wall.
Dismantling heating systems
Dismantling boilers, domestic hot-water cylinders, heat pumps, expansion vessels and pipes, including careful removal and disposal of old heating systems.
On-site installation of heating systems
On-site delivery and installation of boilers, domestic hot-water cylinders and heat pumps, with consulting, planning and adaptation to existing heating systems.
Floor insulation
Floor insulation to minimise heat losses, reduce heating costs and improve heat distribution in underfloor heating systems.
Trust & reputation

ranQ Trust Score of Isorol Tacker AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Isorol Tacker AG scores 74.5 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.68.124%
  • 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.73.510%
  • 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%
Isorol Tacker 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%
Isorol Tacker AG scores 85.0 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).85.022%
Isorol Tacker AG scores 9.7 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 35.9.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Isorol Tacker AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.4 out of 5 stars from 17 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
4.4
of 5

Aggregated from 17 reviews across all connected sources

Sources
GGoogle4.417
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Zürcherstrasse 71
8620 Wetzikon Zh
Opening hours
Mon
07:00 - 17:00
Tue
07:00 - 17:00
Wed
07:00 - 17:00
Thu
07:00 - 17:00
Fri
07:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-458.623.137
Founded
2011 · 15 years
Last commercial register change
January 19, 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.
100.0
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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