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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesBad RagazLisignoli AG
Lisignoli AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Lisignoli AG is a specialist in water and heat systems, providing planning and installation of heating and sanitary systems as well as water supply. Services include new-builds and renovations, solar heating systems, rainwater harvesting and other alternative energy solutions.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered7
Sanitary installations
Sanitary installations for new builds and conversions, renovations and extension projects; drinking water, hot water, waste water and underground drainage pipes, appliance and fittings installation, water treatment, pressure boosting systems.
Bathroom conversions and sanitary renovations
Bathroom conversions, kitchen conversions, laundry room renovations, shower toilets and wellness facilities; also bathroom conversions as a stand-alone service and conversions in the sanitary sector.
Heating installations
Heating installations for new builds and conversions, renovations and extension projects; oil condensing boilers, gas heating, wood heating, pellet heating, heat pump systems, heat distribution systems and thermal insulation.
Heating service and maintenance
24-hour service, maintenance and upkeep, boiler replacements, chimney refurbishment, and flushing of clogged underfloor heating pipes.
Customer service
Repair, service and maintenance assignments with equipped service vehicles; 24-hour standby service for emergencies outside business hours.
Alternative energy systems
Solar thermal systems, photovoltaic systems, absorber systems, controlled residential ventilation, heat recovery, and heat pump systems with air, water or brine-water setups.
Rental equipment
Rental equipment as a separate segment of the offering; listed on the website as a dedicated menu item.
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3.9/5

Lisignoli AG

Trust & reputation

ranQ Trust Score of Lisignoli AG: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

Lisignoli AG scores 49.8 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.68.224%
  • 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.17.610%
  • 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.35.08%
Lisignoli AG scores 87.1 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%
Lisignoli 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%
Lisignoli AG scores 12.9 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 35.12.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Lisignoli AG reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 1 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 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Industriestrasse 76
7310 Bad Ragaz

At a glance

Legal form
Corporation
UID
CHE-106.021.490
Founded
1993 · 33 years
Last commercial register change
July 20, 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.
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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