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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesOther Service IndustriesBüetigenS. Dietrich GmbH
S. Dietrich GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of S.Dietrich GmbH is the provision of services in the field of fire protection and combustion control, specifically: fire protection consulting, combustion controls (for oil, gas and wood heating systems up to 70 kW), chimney sweep services, and fire watch services. The company offers these services to private and public institutions and is responsible for combustion control and fire inspection in various municipalities in Switzerland.

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Products & services

Industry:Other Service Industries
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4.0/5

S. Dietrich GmbH

4
Furnace inspection
Furnace inspection for oil, gas and wood heating systems; measurement of flue gas values, assessment of energy efficiency and technical condition, guidance on optimisation and maintenance.
Chimney sweeping
Chimney sweeping for heating systems; cleaning of flue pipes, chimneys and connecting parts, removal of soot and combustion residues as well as maintenance of wood and oil heating systems.
Fire protection
Fire protection consulting and fire supervision; checks of fire-code requirements, acceptance of combustion appliances and chimneys, safety walk-throughs, inspection of escape routes, fire-stopping and fire extinguishers.
Impuls consultation
Impuls consultation for renewable heating; on-site advice on replacing fossil heating systems with renewable solutions, assessment of suitable heating options, investments, grants and the next steps.
Trust & reputation

ranQ Trust Score of S. Dietrich GmbH: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

S. Dietrich GmbH scores 67.5 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.75.024%
  • 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.40.910%
  • 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.78.08%
S. Dietrich GmbH scores 79.8 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.92.512%
  • 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%
S. Dietrich GmbH 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%
S. Dietrich GmbH scores 0.3 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 35.0.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

S. Dietrich GmbH reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 4 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 4 reviews across all connected sources

Sources
GGoogle54
★TrustpilotSoon
PProvenExpertSoon

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

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Comparisons

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Location

Hauptstrasse 12
3263 Büetigen
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 Liability Company
UID
CHE-196.423.359
Founded
2014 · 12 years
Last commercial register change
February 3, 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.
88.0
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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