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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding MaintenanceChurRS Immo-Service GmbH
RS Immo-Service GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The company's core activity is ventilation cleaning and air conditioning technology, particularly the cleaning and maintenance of ventilation systems, comfort ventilation systems, exhaust air systems and gastronomy systems. The company also offers consulting, planning and inspections of ventilation systems and guarantees a competent and reliable implementation of its services.

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Products & services

Industry:Building MaintenanceFacility Management & Cleaning
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RS Immo-Service GmbH

✓ Offered8
Ventilation cleaning
Cleaning of ventilation systems and air-conditioning units, including wet cleaning with steam and high pressure as well as dry cleaning with vacuum and special brushes.
Ventilation engineering
Planning and installation of ventilation systems, controlled residential ventilation, air-conditioning units and industrial ventilation, as well as repairs, maintenance and service subscriptions.
Comfort ventilation for Minergie buildings
Comfort ventilation for Minergie standards, especially in residential construction, for energy-efficient ventilation solutions in single-family and multi-family houses.
Extraction ventilation for kitchens and bathrooms
Kitchen and bathroom extraction systems as part of ventilation installations, for residential buildings, commercial buildings as well as new builds, conversions and renovations.
Ventilation for catering facilities
Ventilation cleaning and ventilation engineering for catering facilities, including cleaning of canopy systems and extraction hoods as well as installation of catering facilities.
Visual inspection of comfort ventilation
Visual inspection of comfort ventilation as a service offered in the area of ventilation cleaning.
Construction-site cleaning of comfort ventilation
Construction-site cleaning of comfort ventilation as an additional service in the context of ventilation cleaning.
Free check-up
Free ventilation check to assess ventilation systems and to arrange an on-site appointment.
Trust & reputation

ranQ Trust Score of RS Immo-Service GmbH

Trust Score

No score yet

x

A published score requires a data basis of at least 50% and data from at least two criteria groups other than identity. Missing evidence: Review quality, Review volume, Review recency, Media authority

Data basis 54% · As of October 2026

RS Immo-Service 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.
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%
RS Immo-Service GmbH scores 72.3 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.75.012%
  • 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%
RS Immo-Service GmbH scores 83.3 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).83.322%
RS Immo-Service GmbH scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%

The data basis is 54%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Media authority. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Knowledge

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Location

Quaderstrasse 16
7000 Chur

At a glance

Legal form
Limited Liability Company
UID
CHE-233.737.723
Founded
2019 · 7 years
Last commercial register change
November 6, 2020
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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