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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIndustryPlastics IndustryGossau SgHakaGerodur AG
HakaGerodur AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

HakaGerodur AG specialises in plastic extrusion and manufactures plastic piping systems, geothermal system components, heating and plumbing pipes, and customised plastic profiles. Its product range includes systems such as GEROfit and GEROtherm, connecting elements, manhole solutions and related accessories for construction and industrial applications.

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Products & services

Industry:Plastics Industry
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HakaGerodur AG

Plastic pipe systems
Plastic pipe systems for supply, drainage and communications in construction and industry; products for supply, drainage, cable protection and special applications.
Ground-source heat systems
Ground-source heat systems with geothermal probes, connection pipes, shafts, energy piles, horizontal ground heat collectors and collection/distribution solutions.
Heating and sanitary systems
Plastic-metal composite pipes, solid plastic pipes, HAKAfloor, HAKAklett and accessories for heating and sanitary applications.
Technical plastic profiles
Custom extruded plastic profiles, pipes and hoses as well as technical solutions, multi-component and in-line processing.
Trust & reputation

ranQ Trust Score of HakaGerodur AG: 4.5 out of 5.0

Trust Score4.5/ 5.0

Excellent

x

Data basis 100% · As of October 2026

HakaGerodur AG scores 86.3 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.80.324%
  • 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.89.710%
  • 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.100.08%
HakaGerodur AG scores 97.4 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.96.07%
HakaGerodur AG scores 86.7 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).86.722%
HakaGerodur AG scores 50.0 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 35.100.04%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.0.04%
Qualifications+0.00

HakaGerodur AG reaches a ranQ Trust Score of 4.5 out of 5.0 — rated «Excellent». The rating draws, among other things, on 4.7 out of 5 stars from 33 customer reviews. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.7
of 5

Aggregated from 33 reviews across all connected sources

Sources
GGoogle4.733
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

September 20, 2023Media
FDP bi dä Lüüt: Besuch bei HakaGerodur AG
linth24.ch

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Location

Mooswiesstrasse 67
9200 Gossau Sg
Opening hours
Mon
07:15 - 12:00, 13:00 - 17:00
Tue
07:15 - 12:00, 13:00 - 17:00
Wed
07:15 - 12:00, 13:00 - 17:00
Thu
07:15 - 12:00, 13:00 - 17:00
Fri
07:15 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.972.968
Founded
1945 · 81 years
Last commercial register change
July 22, 2026
Employees
101 to 500
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.85.03%
    • Full methodology

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