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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding ConstructionWarthLeo Hasler AG
Leo Hasler AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Leo Hasler AG is a construction company that carries out new builds, renovations, extensions and restorations. Its services include exposed-concrete swimming pools, site works (retaining walls, paving), façade and concrete repairs, demolition tasks and smaller repair jobs, with on-site consultation offered.

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Products & services

Industry:Building Construction
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3.8/5

Leo Hasler AG

✓ Offered7
New construction
New construction of single-family and multi-family houses as well as commercial, industrial and agricultural buildings.
Building alterations
Alterations of single-family and multi-family houses as well as commercial, industrial, stables and barn buildings; refurbishment of kitchens and wet rooms.
Extensions
Extensions to single-family and multi-family houses as well as commercial, industrial, stables and barn buildings.
Renovations
Renovations of façades, concrete repairs and demolition work indoors and outdoors; refurbishment of wet rooms and kitchens with plastering and tiling work.
Exposed-concrete swimming pools
New construction of swimming pools in exposed concrete.
Outdoor areas
Concrete retaining walls, composite paving stone areas, gravel areas, drainage channels and clinker walls.
Client repairs
Minor patch and repair work.
Trust & reputation

ranQ Trust Score of Leo Hasler AG: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

Leo Hasler AG scores 50.1 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.63.624%
  • 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.17.610%
  • 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.50.08%
Leo Hasler 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%
Leo Hasler AG scores 83.3 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).83.322%
Leo Hasler AG scores 11.1 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 35.11.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Leo Hasler AG reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 4.0 out of 5 stars from 1 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
4
of 5

Aggregated from 1 reviews across all connected sources

Sources
GGoogle41
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Dorfstrasse 55
8532 Warth
Opening hours
Mon
06:30 - 12:00, 13:00 - 17:00
Tue
06:30 - 12:00, 13:00 - 17:00
Wed
06:30 - 12:00, 13:00 - 17:00
Thu
06:30 - 12:00, 13:00 - 17:00
Fri
06:30 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.773.311
Founded
1977 · 49 years
Last commercial register change
June 9, 2026
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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