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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesMosnangZüllig + Rusch GmbH
Züllig + Rusch GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Züllig + Rusch GmbH is the planning, consulting and realization of building technology projects, particularly in the areas of heating, ventilation, air conditioning and sanitation. This includes the development of individual energy concepts, the planning and installation of various heating systems such as heat pumps, solar systems, wood-fired heating systems and ice storage heating systems, as well as the implementation of ventilation and air conditioning systems. In addition, the company provides energy consulting and supports the creation of permit documents and funding applications.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered4
Heating System Planning
Heating system planning for heat pumps, solar systems, ice storage heating, wood-, oil- and gas-fired systems, plus district heating plants and networks.
Ventilation and Air Conditioning Planning
Planning of ventilation, exhaust air, apartment ventilation, air conditioning, dehumidification and garage ventilation systems, including CO monitoring.
Sanitary Installation Planning
Planning of cold and hot water distribution, water treatment systems, compressed-air installations, gas lines, and waste-water and roof-water drainage.
Energy Consulting and Permitting Documentation
Energy consulting for heating replacement, cantonal energy certificates, Minergie applications, subsidy requests, borehole permits, sound insulation proofs and combustion-system filings.
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4.1/5

Züllig + Rusch GmbH

Trust & reputation

ranQ Trust Score of Züllig + Rusch GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Züllig + Rusch GmbH 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.
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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%
Züllig + Rusch GmbH scores 82.0 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.97.712%
  • 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%
Züllig + Rusch GmbH scores 83.3 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).83.322%
Züllig + Rusch GmbH scores 17.1 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 35.17.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Züllig + Rusch GmbH reaches a ranQ Trust Score of 4.1 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

Chürzestrasse 11
9607 Mosnang

At a glance

Legal form
Limited Liability Company
UID
CHE-423.269.093
Founded
2012 · 14 years
Last commercial register change
May 11, 2016
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.
88.0
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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