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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSpecialized Construction ActivitiesKreuzlingenHaase AG
Haase AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Haase AG is the planning, installation and maintenance of various types of tanks and systems for the storage and use of liquids and bulk materials, in particular: heating oil storage in double-walled oil tanks, rainwater harvesting and storage, separators for fats and light liquids, storage of wood pellets in underground tanks, and installation and maintenance of systems for industrial and private use. The company also offers consulting and planning of systems as well as individual maintenance and repair services.

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Products & services

Industry:Specialized Construction Activities
✓ Offered4
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3.6/5

Haase AG

Heating oil storage
Heating oil tanks for basements and underground, double-walled storage, battery tanks for permit-required installations.
Separators
Grease separators and light liquid separators for wastewater treatment, permanently watertight, chemically resistant and designed for separating oil and grease.
Rainwater harvesting
Ready-to-use rainwater harvesting systems for the garden, domestic water needs and industry, including planning, installation and maintenance.
Pellet tank
Underground pellet tanks made of GFK for the storage of wood pellets, with accessories for filling, venting and conveying.
Trust & reputation

ranQ Trust Score of Haase AG: 3.6 out of 5.0

Trust Score3.6/ 5.0

Solid

x

Data basis 96% · As of October 2026

Haase AG scores 35.1 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.35.024%
  • 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%
Haase AG scores 85.5 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%
Haase 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%
Haase AG scores 20.0 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 35.20.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Haase AG reaches a ranQ Trust Score of 3.6 out of 5.0 — rated «Solid». The rating draws, among other things, on 1.7 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
1.7
of 5

Aggregated from 3 reviews across all connected sources

Sources
GGoogle1.73
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Bahnhofstrasse 2
8280 Kreuzlingen

At a glance

Legal form
Corporation
UID
CHE-107.407.774
Founded
2004 · 22 years
Last commercial register change
July 29, 2022
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.
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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