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

About the company

The core activity of Trachsler + Co. consists of carrying out chimney sweep work, furnace inspections, repairs and maintenance on heating systems, particularly in the areas of: chimney sweep work (cleaning of wood, oil and gas-fired heating systems), furnace inspections (exhaust gas measurements and periodic inspections of heating systems), repairs and maintenance on heating systems (replacing worn or damaged system parts). The company offers these services for residential, commercial and industrial properties in the Wallisellen region and the Glattal area.

AI-generated
Offering

Products & services

Industry:Building Maintenance
✓ Offered3
Chimney sweeping work
Cleaning of all wood-, oil- and gas-fired combustion systems in residential, commercial and industrial properties; including chimney sweeping work in accordance with fire-safety regulations and ash analysis tests.
Flue gas inspections
Mandatory and periodic flue gas measurements on heating systems for property owners; with proper report submitted to the city or municipality for oil-, wood- and gas-fired installations.
Repairs & maintenance
Repairs and maintenance to combustion systems; replacement of wear parts and defective plant components such as seals, inserts or heat exchangers, and if required also topping up heating water.
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4.1/5

Trachsler + Co

Trust & reputation

ranQ Trust Score of Trachsler + Co: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Trachsler + Co scores 68.0 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.76.724%
  • 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.45.610%
  • 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.70.08%
Trachsler + Co scores 81.0 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%
Trachsler + Co 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%
Trachsler + Co scores 9.1 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 35.9.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Trachsler + Co reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 5 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 5 reviews across all connected sources

Sources
GGoogle55
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Rosenbergstrasse 49
8304 Wallisellen
Opening hours
Mon
07:00 - 17:00
Tue
07:00 - 17:00
Wed
07:00 - 17:00
Thu
07:00 - 17:00
Fri
07:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Partnership
UID
CHE-102.352.137
Founded
2001 · 25 years
Last commercial register change
May 1, 2018
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.
79.0
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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