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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryReal EstateFacility Management & CleaningLucerneErsotech AG
Ersotech AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Ersotech AG is a service provider for sewer and pipeline maintenance, offering sewer cleaning, rehabilitation, leak testing, manhole rehabilitation, CCTV inspection and locating. Services also include suction operations and robotic systems; the company operates an emergency service and is part of the Mökah Gruppe.

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Offering

Products & services

Industry:Facility Management & Cleaning
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4.2/5

Ersotech AG

✓ Offered8
Sewer and drain cleaning
Regular or on-call cleaning of wastewater pipes and channels, including a 24/7 service; for soak-away lines, rain, dirty and combined water sewers, roof drains as well as kitchen, bathroom and WC drains.
Sewer rehabilitation
Rehabilitation of defective or aged drainage systems using lining systems, stainless-steel couplings and partial short liner; for bathroom, washbasin, WC, kitchen and roof-water drains as well as vertical and main underground lines.
Leak tightness test
Test of the leak tightness of pipes and channels using air or water in accordance with VSA, SIA 190 and EN 1610; with written report for new builds, acceptance of rehabilitation works and repeat inspections.
Manhole rehabilitation
Rehabilitation of inspection manholes to address infiltrations, porous sections, concrete corrosion as well as damage caused by ground movement and traffic loads.
CCTV inspection and locating
CCTV sewer inspections to analyse the type of damage, extent, location and condition of wastewater lines; for checking house connections, new builds, existing lines and follow-up inspections.
Vacuum excavation and suction work
Removal of solids from existing buildings and construction sites, including at sludge collectors, retention facilities, oil and petrol separators as well as septic tanks.
Robotic systems
Use of milling robots for milling, drilling and grinding work in pipelines, for example to remove deposits and to expose installed channels.
Customer portal
Online access to view objects and infrastructure, plan maintenance and monitor the ongoing status of facilities.
Trust & reputation

ranQ Trust Score of Ersotech AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Ersotech AG scores 69.5 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.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.78.08%
Ersotech AG scores 86.4 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.89.612%
  • 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.70.07%
Ersotech AG scores 85.0 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).85.022%
Ersotech AG scores 22.9 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 35.22.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Ersotech AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very 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.

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Location

Thorenbergstrasse 47
6014 Lucerne
Opening hours
Mon
24h
Tue
24h
Wed
24h
Thu
24h
Fri
24h
Sat
24h
Sun
24h

At a glance

Legal form
Corporation
UID
CHE-418.030.741
Founded
2015 · 11 years
Last commercial register change
September 21, 2026
Employees
11 to 20
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.85.03%
    • Full methodology

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