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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureCivil EngineeringBüsserachLissag AG
Lissag AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Lissag AG is the provision of services in the field of water and gas supply, specifically: water pipeline construction, gas pipeline construction, pikette deployments, house connection lines, reservoir cleaning, drinking water sampling, plant construction, sewage pipeline construction, and winter services. The company thus offers a comprehensive range of services for the installation, maintenance, and repair of water and gas pipelines as well as related facilities.

AI-generated
Offering

Products & services

Industry:Civil Engineering
✓ Offered9
Water pipeline construction
Laying water pipes and pipe systems of all dimensions below ground in accordance with SVGW guidelines; replacement and rehabilitation work for drinking-water networks.
Gas pipeline construction
Planning, construction and rehabilitation of gas pipelines in standard nominal sizes, pressure levels and materials for public and private clients.
Service pipe connections
Construction and installation of service pipe connections, including all required fittings, as the link between the supply line and the on-site water network.
Sewer and drainage pipeline construction
Construction and repair of sewer and drainage lines for buildings and paved areas; individual and collective connection lines, vertical downpipes, collector pipes and main underground lines.
Installation construction
Planning and implementation of drinking-water installations, including consulting, as well as execution of special structures and fittings in demanding environments.
Reservoir cleaning
Cleaning, disinfection and flushing of reservoirs according to SVGW guidelines to ensure drinking-water hygiene and prevent deposits or bacterial growth.
On-call emergency standby
24/7 on-call emergency service for pipe bursts and other emergencies, seven days a week, for small and large interventions.
Drinking-water samples
Professional sampling for drinking-water analysis in case of suspected contamination or uncertainty in private households and public buildings.
Winter service
Clearing of squares, paths and roads, private or public, by machine or by manual clearing depending on conditions and scope.
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4.1/5

Lissag AG

Trust & reputation

ranQ Trust Score of Lissag AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Lissag AG scores 64.2 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.70.024%
  • 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.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%
Lissag AG scores 89.3 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.70.07%
Lissag AG 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%
Lissag AG scores 14.3 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 35.14.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Lissag AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.6 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
4.6
of 5

Aggregated from 5 reviews across all connected sources

Sources
GGoogle4.65
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Industriering 27
4227 Büsserach
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
Corporation
UID
CHE-101.657.947
Founded
2001 · 25 years
Last commercial register change
August 4, 2025
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.70.03%
    • Full methodology

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