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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryFinance & InsuranceHolding CompaniesUnterseenResonus GmbH
Resonus GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Resonus GmbH provides property management services for rental apartments and condominium/co-ownership communities. Its services include administrative, technical and accounting management, tenant handling and leasing, offered via fixed-price subscription packages and supported by digital tools for transparency.

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Products & services

Industry:Holding Companies
✓ Offered5
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3.9/5

Resonus GmbH

Property management
Property management for residential properties, including rent collection, applicant management, trades coordination, annual accounts, owner portal and caretaking at a fixed price.
Commercial property management
Management of offices, commercial premises, mixed uses as well as retail and gastronomy; rental contract management, rent management, technical maintenance, tenant turnover and reporting.
Holiday home management
Full management of holiday rentals with booking management, guest communication, check-in and check-out, administration of tourist taxes, cleaning coordination and review management.
Condominium management
Management of condominium ownership communities with general assembly, annual statement, renewal fund, caretaker coordination, owner portal and a personal point of contact.
Property management for companies
Management for GmbHs, AGs, fiduciaries, brokers and institutional owners with clear reporting, accounting interfaces, transparent cost structure and legally secure processes.
Trust & reputation

ranQ Trust Score of Resonus GmbH: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

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Data basis 54% · As of October 2026

Resonus 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.
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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%
Resonus GmbH scores 61.5 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.50.012%
  • 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%
Resonus GmbH scores 83.3 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).83.322%
Resonus GmbH scores 42.9 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 35.42.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Resonus GmbH reaches a ranQ Trust Score of 3.9 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 October 2026.

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

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Location

Breitengässli 8
3800 Unterseen

At a glance

Legal form
Limited Liability Company
UID
CHE-226.029.124
Founded
2023 · 3 years
Last commercial register change
February 8, 2023
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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