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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryReal EstateFacility Management & CleaningZollikofen1A Group GmbH
1A Group GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

1A Group GmbH provides facility services and building maintenance, including interior and exterior cleaning, photovoltaic panel cleaning, and façade and concrete cleaning. The company also offers hygiene services, garden maintenance, winter services, operation and maintenance of building systems, clearances, transports and consulting.

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Offering

Products & services

Industry:Facility Management & Cleaning
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4.0/5

1A Group GmbH

✓ Offered9
Caretaker Services
Cleaning work, lawn and garden care, grounds maintenance, technical maintenance, maintenance and operation of building services, winter service, fault rectification, small repairs.
Cleaning Services
Exterior cleaning, ongoing maintenance cleaning, subscription cleaning, move-out cleaning, cleaning of glass façades and façades, photovoltaic cleaning, carpet cleaning, graffiti removal.
Garden Work
Lawn care, tree service, trimming of shrubs, perennials, hedges and roses, weed control, installation of robotic lawn mowers, garden maintenance and landscaping.
Maintenance and Operation of Building Services
Maintenance and operation of heating, sanitary installations, ventilation, lifts, air conditioning, locking systems, lighting, security systems and sprinkler systems with 24-hour on-call duty.
Site and Street Cleaning
Street cleaning with a street cleaning machine, site cleaning, cleaning of parking halls and workshops, as well as winter service.
Clear-outs and Disposal
Clear-outs of apartments, offices, businesses and hotels, as well as eco-friendly disposal with separation, sorting and recovery of recyclable materials.
Consulting, Optimisation and Coaching
Consulting on facility services, optimisation of caretaker services and FM, support for reorganisations, as well as coaching for existing caretaker services.
Transport
Transport of general cargo, machines and vehicles for operational and logistics requirements.
Small Repairs
Small repairs in apartments, including minor repair work as part of caretaker services.
Trust & reputation

ranQ Trust Score of 1A Group GmbH: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

1A Group GmbH scores 72.4 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.71.624%
  • 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.70.08%
1A Group GmbH scores 67.8 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.64.612%
  • 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%
1A Group 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%
1A Group GmbH scores 3.1 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 35.3.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

1A Group GmbH reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 4.5 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
4.5
of 5

Aggregated from 19 reviews across all connected sources

Sources
GGoogle4.519
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Webergutstrasse 4
3052 Zollikofen
Opening hours
Mon
07:30 - 12:00, 13:00 - 17:00
Tue
07:30 - 12:00, 13:00 - 17:00
Wed
07:30 - 12:00, 13:00 - 17:00
Thu
07:30 - 12:00, 13:00 - 17:00
Fri
07:30 - 12:00, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-201.063.636
Founded
2021 · 5 years
Last commercial register change
June 25, 2021
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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