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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryReal EstateFacility Management & CleaningAllschwilGSH Gebäude-Service GmbH
GSH Gebäude-Service GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The company's core activity is professional building services, which includes: maintenance and care of buildings and outdoor facilities, cleaning services, emergency services, and a comprehensive service for properties, including private spaces, commercial properties, and practices. The company offers tailored solutions and service concepts to meet the individual needs of its customers.

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Products & services

Industry:Facility Management & Cleaning
✓ Offered4
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4.1/5

GSH Gebäude-Service GmbH

Building services
Building services for the administration and management of properties and outdoor areas, including tailor-made concepts, flexibility, professionalism and reliability.
Cleaning service
Indoor and outdoor cleaning for construction sites, offices, façades, glass, grounds and industrial cleaning, tailored to individual needs and carried out in an environmentally friendly way.
Outdoor area maintenance
Cleaning and maintenance of outdoor areas, garden work, as well as cleaning of driveways, parking lots and open spaces for a well-kept overall condition.
Emergency service
24-hour emergency service, seven days a week, reachable by phone and with specialist staff deployed even on Sundays and public holidays.
Trust & reputation

ranQ Trust Score of GSH Gebäude-Service GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

GSH Gebäude-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.
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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%
GSH Gebäude-Service GmbH scores 82.3 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.89.612%
  • 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.70.07%
GSH Gebäude-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.
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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%
GSH Gebäude-Service GmbH scores 1.4 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 35.1.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

GSH Gebäude-Service 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

Turnerstrasse 13
4123 Allschwil

At a glance

Legal form
Limited Liability Company
UID
CHE-209.504.880
Founded
2015 · 11 years
Last commercial register change
July 7, 2026
Employees
11 to 20
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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