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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesVillars-Ste-CroixKastech Sàrl
Kastech Sàrl Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Kastech Sàrl consists of planning, installing and maintaining ventilation systems, including consulting and implementing projects in the field of ventilation, heating and sanitary technology. The company offers its services throughout Western Switzerland and encompasses various types of projects, such as renovations, new constructions, residential buildings and industrial buildings.

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Products & services

Industry:Plumbing & Building Services
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4.0/5

Kastech Sàrl

✓ Offered5
Advisory services and ventilation project management
Advisory services, project support and planning for ventilation projects for service companies, institutions and industry, from audit through full project management of the works.
Project audit and feasibility study
Project audit, preliminary study, quotation retrieval, cost estimates and preparation of pre-project files tailored to the site.
Technical proposal and planning
Project plans, permitting documents for HVAC and building physics, tender documents, execution plans and schematics.
Execution and monitoring of ventilation construction sites
Technical and financial monitoring, commissioning, acceptance of the works, as-built revision plans, project management, participation in site meetings and material ordering.
Installation of ventilation systems
Installation of ventilation systems for renovations, new builds, multi-family housing and industrial buildings, with work in French-speaking Switzerland.
Trust & reputation

ranQ Trust Score of Kastech Sàrl: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

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Data basis 54% · As of October 2026

Kastech Sàrl 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%
Kastech Sàrl scores 67.8 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.64.612%
  • 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%
Kastech Sàrl 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%
Kastech Sàrl scores 37.1 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.37.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Kastech Sàrl reaches a ranQ Trust Score of 4.0 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

La Croix-du-Péage 5
1029 Villars-Ste-Croix
Opening hours
Mon
07:30 - 18:00
Tue
07:30 - 18:00
Wed
07:30 - 18:00
Thu
07:30 - 18:00
Fri
07:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-384.530.104
Founded
2021 · 5 years
Last commercial register change
January 10, 2024
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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