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

About the company

1A GmbH is a facility services company providing property caretaking, cleaning, garden maintenance, and facade and concrete cleaning with long-term protection. Its services also include solar panel cleaning, snow and ice removal, and the rental and sale of motor equipment and cleaning supplies.

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Offering

Products & services

Industry:Facility Management & Cleaning
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4.2/5

1A GmbH

✓ Offered8
Caretaker services
Cleaning work, lawn and garden care, surroundings maintenance, technical maintenance, maintenance and operation of building services, playground checks, winter service, fault rectification and minor repairs.
Cleaning services
External cleaning, internal cleaning and special cleaning for maintenance cleaning, subscription cleaning, move-out cleaning, glass facades, facades, photovoltaic installations, carpets, ceilings and lift shafts.
Garden work
Lawn care, tree service, cutting of shrubs, perennials, hedges and roses, defoliation, robotic lawn mower installation, garden maintenance and garden design.
Maintenance and operation of building services
Maintenance and operation of heating, sanitary systems, ventilation, lift, air conditioning, access control systems, lighting, security systems and sprinkler system including 24-hour on-call duty.
Clearance and disposal
Clearance of apartments, offices, businesses and hotels as well as eco-friendly disposal with separation, sorting and recovery of recyclable materials.
Transport
Transport of parcels, machines and vehicles for handling transport tasks.
Advisory, optimization, coaching
Advice on all aspects of facility service, optimization of house services and FM, as well as support for reorganizations.
Lock service and holiday service
Lock service as well as holiday service including emptying mailboxes, airing rooms, setting up automatic lighting and control walks.
Trust & reputation

ranQ Trust Score of 1A GmbH: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

1A 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 GmbH scores 89.7 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.82.07%
1A 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 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 GmbH reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very 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.

Knowledge

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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-104.780.656
Founded
1998 · 28 years
Last commercial register change
October 7, 2021
Employees
21 to 50
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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