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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesZugSulker, Sulejmani Krenar Bodenheizungsreinigung
Sulker, Sulejmani Krenar Bodenheizungsreinigung Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company's core activity is the cleaning and maintenance of underfloor heating systems. The company offers personalized solutions and services to improve the efficiency and quality of underfloor heating systems and ensure customer satisfaction.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered3
Underfloor heating cleaning
Cleaning of underfloor heating systems and heating pipes, removal of deposits, limescale and rust; mechanical low-pressure cleaning without chemicals, including flushing and inspection.
Heating system cleaning
Cleaning of heating systems and underfloor heating pipes, removal of deposits and sludge; improving heating performance, energy consumption and service life.
Danfoss Controls
Danfoss controls for heating, cooling and industrial applications; control engineering for automation, efficient energy use and integration into existing systems.
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4.1/5

Sulker, Sulejmani Krenar Bodenheizungsreinigung

Trust & reputation

ranQ Trust Score of Sulker, Sulejmani Krenar Bodenheizungsreinigung: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Sulker, Sulejmani Krenar Bodenheizungsreinigung scores 89.5 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.87.924%
  • 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.88.910%
  • 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.95.08%
Sulker, Sulejmani Krenar Bodenheizungsreinigung scores 52.6 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.39.612%
  • 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%
Sulker, Sulejmani Krenar Bodenheizungsreinigung 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%
Sulker, Sulejmani Krenar Bodenheizungsreinigung scores 0.6 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 35.0.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Sulker, Sulejmani Krenar Bodenheizungsreinigung reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.9 out of 5 stars from 32 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
4.9
of 5

Aggregated from 32 reviews across all connected sources

Sources
GGoogle4.932
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Grienbachstrasse 11
6300 Zug
Opening hours
Mon
08:00 - 18:00
Tue
08:00 - 18:00
Wed
08:00 - 18:00
Thu
08:00 - 18:00
Fri
08:00 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-173.652.966
Founded
2024 · 2 years
Last commercial register change
March 6, 2024
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.67.06%
  • 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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