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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesHorgenGirojet AG
Girojet AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Girojet AG is the cleaning, renovation and maintenance of underfloor heating systems, as well as consulting and planning of heating and sanitary installations. The company also offers services such as commissioning, support and material inspection, and distributes products from various manufacturers.

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Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered8
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4.3/5

Girojet AG

Underfloor Heating Cleaning
Underfloor heating cleaning with the mechanical Girojet® process, removal of deposits and blockages, cleaning of plastic pipes within one day, without chemical additives.
Underfloor Heating Unblocking (Girojet Pro)
Unblocking heavily soiled underfloor heating pipes with patented lance cleaning and subsequent pipe cleaning to restore flow.
Underfloor Heating Advice and Reports
Free advice on underfloor heating systems, inspection of manifolds and plastic pipes, recommendations on condition, and detailed reports for property managers, owners and meetings.
Plastic Pipe Testing
Material testing of plastic pipes in Girojet’s own laboratory in Horgen with pipe samples, visual and mechanical assessment, measurement of oxidation indicators and a test report.
Underfloor Heating Manifold Replacement
Replacement of old underfloor heating manifolds with Beulco® manifolds, retrofitting of flow indicators and controls, replacement of system parts, labelling and hydraulic balancing.
Underfloor Heating Control
Retrofitting and supply of underfloor heating controls for room-by-room regulation, including Danfoss, GF Uponor Smatrix, Honeywell Evohome, Therm-Control Nussbaum, Ekosen IRSun, Oventrop ClimaCon and Viboo.
Commissioning and Support for Underfloor Heating Controls
Commissioning, installation and fault repair for underfloor heating controls, plus support for partner firms and Danfoss service-partner services.
Partner Services for Heating Contractors
Nationwide cooperation with heating contractors for underfloor heating cleaning, on-site advice, cleaning and execution reports, training sessions and customer-specific brochures.
Trust & reputation

ranQ Trust Score of Girojet AG: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

Girojet AG scores 74.2 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.80.624%
  • 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.55.910%
  • 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.78.08%
Girojet AG scores 89.3 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.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.70.07%
Girojet AG scores 85.0 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).85.022%
Girojet AG 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

Girojet AG reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 8 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
5
of 5

Aggregated from 8 reviews across all connected sources

Sources
GGoogle58
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Aaweiherstrasse 3
8810 Horgen
Opening hours
Mon
08:00 - 12:00, 13:00 - 17:00
Tue
08:00 - 12:00, 13:00 - 17:00
Wed
08:00 - 12:00, 13:00 - 17:00
Thu
08:00 - 12:00, 13:00 - 17:00
Fri
08:00 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-111.571.810
Founded
2004 · 22 years
Last commercial register change
February 12, 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.
100.0
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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