ranQ
ranQ
ranQ
DirectoryIndustriesPlacesKnowledgeComparisonsSoon
Sign inCheck visibility
ranQHSG Startup LabelRecognised by the
HSG Startup Label

The leading AI company directory, built to boost AI visibility.

DEENFRIT
Product
  • Pricing
  • Directory
  • Industries
  • Trust Score
Company
  • About
  • Partner program
  • Contact
  • Legal
© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryReal EstateProperty managementWinterthurProSteg AG
ProSteg AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of ProSteg AG is the project-based support of property managers and communities in complex challenges related to condominium ownership and co-ownership. This includes in particular: * Accompanying renovation projects and change processes * Resolving unresolved disputes and conflicts * Supporting the creation of resolutions and motions * Coaching property managers * Analyzing and optimizing communities and properties * Providing legal advice and ensuring legal certainty ProSteg AG positions itself as an independent partner that relieves the management and objectively develops solutions to preserve the value of the properties and improve the quality of life for the residents.

AI-generated
Presence

Service area

Offering

Products & services

Industry:Property management
LeadhubOutbound Leads by COHAGA

Looking for direct email addresses and phone numbers?

Leadhub delivers verified contact details and decision-makers from over 750,000 Swiss companies — management, procurement, marketing, HR.

Discover Leadhub
4.0/5

ProSteg AG

Property developer
✓ Offered7
Consulting and support for condominium ownership
Support for condominium owners’ associations in complex challenges, day-to-day questions and strategic matters, including chairing meetings and negotiation skills.
Project-based support for renovations and change processes
Project-based support for complex renovation projects, change processes, renovation backlogs and looming conflicts; if desired, also support during implementation.
Analysis of communities and properties
An all-round analysis tool for communities, including review of legal requirements, building condition, ownership structure and finances, as well as identifying weaknesses and improvement options.
Support with warranty claims
Support in unresolved warranty claims and looming limitation periods, so that owners are not left with high costs.
Revision of legal bases and regulations
Adapting outdated regulations and legal framework conditions to create more legal certainty and prevent disputes.
Support for demanding general meetings
Preparation and support for demanding general meetings, as well as assistance with legally effective resolutions in complex motions.
Coaching and hotline for administrators
Regular or spontaneous exchange of experience for property administrators, with answers, second opinions and advice on challenges and legal issues.
Trust & reputation

ranQ Trust Score of ProSteg AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 54% · As of November 2026

ProSteg AG 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%
ProSteg AG scores 72.8 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.70.212%
  • 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%
ProSteg AG 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%
ProSteg AG scores 3.7 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 35.3.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

ProSteg AG reaches a ranQ Trust Score of 4.0 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.

Knowledge

No knowledge articles yet

Once ProSteg AG has claimed this profile, we'll publish editorial articles and case studies here together.

Get started
Comparisons

ProSteg AG in comparison

Soon

Industry comparisons are coming soon

We're preparing industry comparisons that rank ProSteg AG by reviews, experience and specialisations.

Is this your company?

Claim the company profile of ProSteg AG to make its contact details visible. With a plan we additionally create and publish industry comparisons, articles and much more.

Secure profile

Location

Zürcherstrasse 14
8400 Winterthur
Opening hours
Mon
08:30 - 17:00
Tue
08:30 - 17:00
Wed
08:30 - 17:00
Thu
08:30 - 17:00
Fri
08:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-394.912.861
Founded
2020 · 6 years
Last commercial register change
October 8, 2024
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • ZHWinterthur
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

    Similar companies

    DG
    DiBa-Immo GmbH
    Winterthur
    HI
    Herz Immobilien AG
    Dübendorf
    FI
    Felder Immobilientreuhand AG
    Zurich
    V+
    Vollenweider + Sohn Immobilien AG
    Zurich
    AI
    Abia Immobilien AG
    Uster
    PA
    Prohaus Aktiengesellschaft
    Zurich
    AT
    AMW Treuhand & Immobilien AG
    Brüttisellen
    GC
    Giovanni Caruso Immobilien
    Bülach