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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesRorschachComoltech Comolli
Comoltech Comolli Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Comoltech is the planning, design and execution of heating, ventilation and plumbing installations, with a focus on alternative energies such as solar, photovoltaics, heat pumps, geothermal probes, wood and pellets. The company offers consulting, planning and specialized construction management in these areas and implements projects for various building types, including residential buildings, schools, restaurants and industrial buildings.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered6
HLS consulting, planning and specialist supervision
Impulse consulting, project and execution planning as well as specialist site supervision for heating, ventilation and sanitary systems, including for alternative energy systems.
Heat generation system design
Design of heat generators with heat pumps, pellets, wood logs, solar, heat recovery from refrigeration systems and Freecooling.
Heat distribution system design
Design of heat distribution with radiators, underfloor heating, TABS and ceiling radiant panels.
Ventilation system design
Design of controlled room ventilation, school, hall and restaurant ventilation, as well as air-ground registers.
Sanitary system design
Design of sanitary installations with hygienic water heating, sound insulation, wall build-ups and pump shafts.
Energy concepts and renovation planning
Energy concepts, project planning and renovations for conversions, listed buildings, residential properties and commercial buildings.
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3.8/5

Comoltech Comolli

Trust & reputation

ranQ Trust Score of Comoltech Comolli: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 54% · As of October 2026

Comoltech Comolli has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Comoltech Comolli scores 57.0 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.50.012%
  • 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%
Comoltech Comolli 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%
Comoltech Comolli scores 2.3 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 35.2.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Comoltech Comolli reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, 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.

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Location

Schurtannenstrasse 11
9400 Rorschach
Opening hours
Mon
08:00 - 18:00
Tue
08:00 - 18:00
Wed
08:00 - 18:00
Thu
08:00 - 18:00
Fri
08:00 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-276.448.167
Founded
2023 · 3 years
Last commercial register change
July 4, 2023
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.
67.0
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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