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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentWaste Management IndustryUnterkulmA. Soltermann AG Kanaltechnik
A. Soltermann AG Kanaltechnik Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The core activity of A. Soltermann AG Kanaltechnik is the inspection, cleaning and rehabilitation of pipes and lines, including trenchless and open construction methods, for private individuals, property management companies, businesses, industrial companies, public institutions and municipalities.

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Products & services

Industry:Waste Management Industry
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4.1/5

A. Soltermann AG Kanaltechnik

✓ Offered
5
Sewer inspection and condition analyses
CCTV sewer inspection, locating services and leak-tightness tests for existing sewers, pipes and mains; including digital documentation and test reports for official acceptance.
Drain and pipe cleaning
Cleaning of sewers, manholes, drains and pipes using high-pressure water and pipe-cleaning machines; removal of blockages, grease, limescale deposits and foreign objects.
Sewer and pipe rehabilitation
Rehabilitation and sealing of damaged pipes, sewers and service lines; sewer and manhole rehabilitation, Kurzliner, Pointliner, Sprayliner, robotic work and replacement of house connection lines.
Manhole rehabilitation
Manhole rehabilitation including cleaning, replacement of manhole covers and inspection access points, as well as repairs with mortar or concrete, often without excavation.
Civil engineering and house connection works
New construction and replacement of house connection lines including opening-up works, demolition, sanitary and civil engineering works; on request with administration, documentation and coordination with authorities.
Trust & reputation

ranQ Trust Score of A. Soltermann AG Kanaltechnik: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 100% · As of October 2026

A. Soltermann AG Kanaltechnik scores 83.2 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.81.124%
  • 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.74.910%
  • 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.100.08%
A. Soltermann AG Kanaltechnik scores 70.4 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.64.612%
  • 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%
A. Soltermann AG Kanaltechnik scores 86.7 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).86.722%
A. Soltermann AG Kanaltechnik scores 5.7 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 35.1.44%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.10.04%
Qualifications+0.00

A. Soltermann AG Kanaltechnik reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.8 out of 5 stars from 18 customer reviews. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
4.8
of 5

Aggregated from 18 reviews across all connected sources

Sources
GGoogle4.818
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

December 13, 2022Media
Wechsel nach 31 Jahren: In der Baufirma Soltermann kommt die nächste Generation zum Zug
aargauerzeitung.ch

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Location

Feldmatte 4
5726 Unterkulm
Opening hours
Mon
07:00 - 12:00, 13:15 - 18:00
Tue
07:00 - 12:00, 13:15 - 18:00
Wed
07:00 - 12:00, 13:15 - 18:00
Thu
07:00 - 12:00, 13:15 - 18:00
Fri
07:00 - 12:00, 13:15 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-238.316.139
Founded
2021 · 5 years
Last commercial register change
September 12, 2025
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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