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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryReal EstateCaretaker serviceBaarOne FM GmbH
One FM GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

One FM GmbH provides facility management services for commercial, residential and industrial properties. Its services include building caretaking, cleaning, technical maintenance, grounds care, and minor repair and special assignments.

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Presence

Service area

Offering

Products & services

Industry:Caretaker serviceCleaning company
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4.1/5

One FM GmbH

Facility management
✓ Offered6
Facility management
Facility management for commercial, residential and industrial properties; cleaning, building caretaker services, technical maintenance and comprehensive property support, all from one source.
Property cleaning
Property cleaning for buildings; conventional cleaning, tailored cleaning solutions, environmentally friendly cleaning agents and sustainable practices.
Building caretaker services
Building caretaker services for properties; maintenance, care and repairs to ensure the preservation of value, operational readiness and on-site support.
Technical building maintenance
Technical building maintenance of building infrastructure; monitoring, maintenance, inspections, repairs, preventive measures as well as support during installation, commissioning and acceptance tests.
Grounds maintenance
Grounds maintenance for gardens, green spaces and outdoor areas; maintenance of walkways, parking lots and other surfaces.
Repairs and special assignments
Minor repair and special tasks for customers; support for management and ownership as the on-site contact person.
Trust & reputation

ranQ Trust Score of One FM GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of November 2026

Without public customer reviews the score stays capped.

One FM GmbH has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
One FM GmbH scores 76.0 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.75.012%
  • 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.70.07%
One FM 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%
One FM GmbH scores 9.7 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 35.9.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

One FM GmbH reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, so the score is backed by part of the criteria. As of November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

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Location

Neuhofstrasse 5A
6340 Baar

At a glance

Legal form
Limited Liability Company
UID
CHE-354.855.688
Founded
2019 · 7 years
Last commercial register change
December 9, 2019
Employees
11 to 20

Active in 7 of 26 cantons

  • AGAargau
  • BLBasel-Country
  • BEBern
  • LULucerne
  • SOSolothurn
  • ZGZug
  • ZHZurich
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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