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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding MaintenanceNyonPisler Ramonage Sàrl
Pisler Ramonage Sàrl Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Pisler Ramonage is a company specialized in the maintenance and upkeep of heating systems, particularly chimneys and flues. The core activities include: Ramonage (cleaning and maintenance of chimneys and flues), inspection and control of heating systems and chimneys using cameras, prevention of fires and safety checks of heating systems and chimneys, consulting and planning of heating system and chimney projects, and conducting safety checks and inspections on behalf of municipalities. The company thus offers a comprehensive range of services in the field of heating system and chimney maintenance.

AI-generated
Offering

Products & services

Industry:Building Maintenance
✓ Offered7
Chimney sweeping and boiler maintenance
Maintenance of chimneys and heating installations, with chimney sweeping service to prevent fire or poisoning hazards and to improve efficiency.
Chimney sweeping and cleaning of biomass systems
Cleaning of lounge chimneys, wood stoves and pellet units, as well as central heating systems; de-tarring of flue ducts using a catalytic product or a rotary machine.
Cleaning of combustion chambers and gas boilers
Cleaning of the combustion chamber of gas boilers, including inspection of the flue gas evacuation ducts for safe operation.
Cleaning of oil-fired heating systems
Thorough cleaning of oil-fired central heating installations using alkaline treatment; maintenance of condensing units, discharge of condensate and neutralisation tank.
Camera inspection of chimney flues
Camera inspection of the chimney flue to detect defects, assess the condition of the flue and determine whether recommissioning is possible without lining or re-plastering.
Fire prevention for heating installations and flue ducts
Conformity checks for heating installations and flue ducts, advice for chimney projects and verification before commissioning according to RLPIEN.
Combustion analysis
Combustion gas analyses for heating installations: soot index, carbon monoxide, nitrogen oxides and losses via flue gases, with an optional adjustment or remediation deadline.
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3.7/5

Pisler Ramonage Sàrl

Trust & reputation

ranQ Trust Score of Pisler Ramonage Sàrl: 3.7 out of 5.0

Trust Score3.7/ 5.0

Solid

x

Data basis 96% · As of October 2026

Pisler Ramonage Sàrl scores 52.0 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.50.724%
  • 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.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.70.08%
Pisler Ramonage Sàrl scores 72.3 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.75.012%
  • 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%
Pisler Ramonage Sàrl 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%
Pisler Ramonage Sàrl scores 7.4 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 35.7.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Pisler Ramonage Sàrl reaches a ranQ Trust Score of 3.7 out of 5.0 — rated «Solid». The rating draws, among other things, on 3.3 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
3.3
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle3.34
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Route de Divonne 46
1260 Nyon
Opening hours
Mon
07:00 - 12:00, 13:00 - 16:00
Tue
07:00 - 12:00, 13:00 - 16:00
Wed
07:00 - 12:00, 13:00 - 16:00
Thu
07:00 - 12:00, 13:00 - 16:00
Fri
07:00 - 12:00, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-369.317.738
Founded
2019 · 7 years
Last commercial register change
July 18, 2019
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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