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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryCrafts & TradesHeating installerTherwilEmil Handschin AG
Emil Handschin AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Emil Handschin AG provides plumbing installation and sheet-metal work. Its services also include flat and pitched roofing, lightning protection, and the planning, installation, maintenance and repair of heating systems.

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Service area

Offering

Products & services

Industry:Heating installerPlumber
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4.3/5

Emil Handschin AG

Sheet metal worker
✓ Offered5
Sanitary plumbing work
Sanitary installations for new builds and conversions, bathroom conversions, repair and maintenance work, water, gas and compressed-air installations, boiler and filter service.
Sheet metal works
Sheet metal works with guttering, downpipes, chimney and dormer cladding, sheet-metal and barrel roofs, roof-edge finishing, custom-made components as well as maintenance and repairs.
Flat roofing
Flat roofing works with bitumen, EPDM or plastic, waterproofing, warm-roof, cold-roof and inverted-roof systems, green roofing, insulation, liquid-plastic connections and window refurbishments.
Lightning protection systems
Lightning protection systems with air-termination conductor, down conductor, earthing and equipotential bonding, including design, testing, maintenance, repairs and support for official acceptance.
Heating work
Heating installations and upgrades for oil, gas, wood, heat pumps, solar thermal and district heating, including planning, pipework installation, underfloor heating and service.
Trust & reputation

ranQ Trust Score of Emil Handschin AG: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of November 2026

Emil Handschin AG scores 77.5 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.77.024%
  • 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.70.510%
  • 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.88.08%
Emil Handschin 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%
Emil Handschin AG scores 86.7 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).86.722%
Emil Handschin AG scores 11.4 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 35.11.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Emil Handschin AG reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.7 out of 5 stars from 15 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of November 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 15 reviews across all connected sources

Sources
GGoogle4.715
★TrustpilotSoon
PProvenExpertSoon

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

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Comparisons

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Location

Erlenstrasse 52
4106 Therwil
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:00
Tue
07:00 - 12:00, 13:00 - 17:00
Wed
07:00 - 12:00, 13:00 - 17:00
Thu
07:00 - 12:00, 13:00 - 17:00
Fri
07:00 - 12:00, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.815.406
Founded
1986 · 40 years
Last commercial register change
March 8, 2021
Employees
1 to 10

Active in 3 of 26 cantons

  • Northwestern Switzerland
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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