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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesBaselgisiger madörin ag, Zweigniederlassung Basel
gisiger madörin ag, Zweigniederlassung Basel Logo
Verified· 3 sourcesTrust Score
Summary

About the company

gisiger madörin ag, Zweigniederlassung Basel plans, installs and maintains heating, ventilation, air conditioning and refrigeration systems, as well as cleanroom technology. Its services cover planning, execution and maintenance.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered3
Planning
Tailored consulting, concept and detailed planning for building services; digital 3D models, solutions for extraction systems up to cleanroom systems, support from the idea through to implementation.
Execution
Professional execution of building services projects as client contractor or general contractor; installation, site management, digital construction plans, safety standards and handover.
Maintenance
Maintenance, inspection and predictive maintenance of systems; customised maintenance concepts, IT-supported monitoring and 24-hour service.
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3.8/5

gisiger madörin ag, Zweigniederlassung Basel

Trust & reputation

ranQ Trust Score of gisiger madörin ag, Zweigniederlassung Basel: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

gisiger madörin ag, Zweigniederlassung Basel scores 48.3 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.58.124%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.35.310%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.35.08%
gisiger madörin ag, Zweigniederlassung Basel scores 80.4 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.100.012%
  • 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%
gisiger madörin ag, Zweigniederlassung Basel 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%
gisiger madörin ag, Zweigniederlassung Basel scores 3.4 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 35.3.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

gisiger madörin ag, Zweigniederlassung Basel reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 3.7 out of 5 stars from 3 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
3.7
of 5

Aggregated from 3 reviews across all connected sources

Sources
GGoogle3.73
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

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Location

Gartenstrasse 105
4052 Basel
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Branch
UID
CHE-461.278.696
Founded
1991 · 35 years
Last commercial register change
May 10, 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.76.06%
  • 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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