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

About the company

The core activity of Omniservice SA consists of providing facility services, including: building cleaning, building maintenance, special works, VIP services and management, energy and resource management, and evacuation and recycling. The company thus offers a wide range of services aimed at maintaining and servicing the infrastructure and environment of companies and institutions.

AI-generated
Offering

Products & services

Industry:Facility Management & Cleaning
✓ Offered5
Facility Services
Facility Services for building operations, maintenance and outdoor areas, including staff recruitment, training, work organisation, supplies, mail, reprographics, conference rooms, waste and vehicle management.
Building cleaning
Building cleaning for administrative, commercial, industrial and educational spaces, with window cleaning, lighting maintenance, office cleaning, waste handling and concierge services.
Building maintenance
Building maintenance with façade cleaning and treatment, kitchen and ventilation cleaning, descaling, pest control, graffiti removal, green-area care, snow clearing and filter service.
Special cleaning services
Special cleaning services for high-access work, rope-access operations, construction-site cleaning, cellar and attic clearance, damage cleanup, disinfection, moving and floor treatment.
Pure-water solar panel cleaning
Pure-water cleaning of solar panels, without chemicals, for residential, agricultural, industrial and commercial installations; available as one-off or regular maintenance.
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4.1/5

Omniservice SA

Trust & reputation

ranQ Trust Score of Omniservice SA: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Omniservice SA scores 64.9 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.62.224%
  • 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.67.110%
  • 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%
Omniservice SA scores 85.5 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%
Omniservice SA 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%
Omniservice SA scores 28.6 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 35.28.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Omniservice SA reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.2 out of 5 stars from 13 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
4.2
of 5

Aggregated from 13 reviews across all connected sources

Sources
GGoogle4.213
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Rue Jacques-Dalphin 30
1227 Carouge Ge
Opening hours
Mon
09:00 - 12:00, 14:00 - 18:00
Tue
09:00 - 12:00, 14:00 - 18:00
Wed
09:00 - 12:00, 14:00 - 18:00
Thu
09:00 - 12:00, 14:00 - 18:00
Fri
09:00 - 12:00, 14:00 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-103.255.850
Founded
1985 · 41 years
Last commercial register change
July 28, 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.70.03%
    • Full methodology

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