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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryReal EstateFacility Management & CleaningDornachsagena GmbH
sagena GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

sagena GmbH provides professional cleaning and property maintenance services. The company’s offerings include routine and deep cleaning, window and facade cleaning using demineralized water/osmosis systems, photovoltaic panel cleaning, garden work, caretaking services and disposal/clearance work.

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Offering

Products & services

Industry:Facility Management & Cleaning
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4.0/5

sagena GmbH

✓ Offered
6
Cleaning service
Property maintenance, regular cleaning for commercial properties, deep cleaning, disinfection, cleaning of houses and apartments, new-build and renovation cleaning, move-out cleaning, disposal and clearance.
Caretaking services
Caretaking, maintenance, repairs, cleaning and garden care for properties; including on-call duty, holiday and absence coverage, coordination of tradespeople and winter service.
Garden work
Maintenance of outdoor areas and green spaces, seasonal garden work, winter and tree pruning, trimming back shrubs and bushes, weeding, leaf collection, lawn mowing and watering.
Glass and façade cleaning
Cleaning of window, glass and façade surfaces as well as louvres and shutters; with osmosis technology, telescopic equipment and cleaning up to heights of over 20 metres.
Osmosis cleaning
Cleaning with demineralized pure water for streak-free, limescale-free results on building elements; from ground level using a telescopic plug-in system, without chemicals or lift platforms.
Cleaning of photovoltaic and solar systems
Professional cleaning of photovoltaic and solar modules to increase performance, preserve value and extend service life, using osmosis technology and special brush modules.
Trust & reputation

ranQ Trust Score of sagena GmbH: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

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Data basis 96% · As of October 2026

sagena GmbH scores 63.8 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.68.324%
  • 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.76.210%
  • 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%
sagena GmbH scores 80.9 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.95.212%
  • 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%
sagena GmbH 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%
sagena GmbH scores 31.4 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.31.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

sagena GmbH reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 4.4 out of 5 stars from 19 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
4.4
of 5

Aggregated from 19 reviews across all connected sources

Sources
GGoogle4.419
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Bannhollenweg 12
4143 Dornach

At a glance

Legal form
Limited Liability Company
UID
CHE-336.623.743
Founded
2013 · 13 years
Last commercial register change
June 20, 2013
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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