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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureOwner's RepresentativeUsterCors - Baumanagement GmbH
Cors - Baumanagement GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of CORS-Baumanagement is project and construction management, particularly in the renovation and refurbishment of properties. The company offers services such as project management, owner representation, acceptance testing and the creation of analyses and cost estimates.

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Products & services

Industry:Owner's Representative
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3.8/5

Cors - Baumanagement GmbH

7
Project management / construction management
Project management / construction management for conversions, renovations and refurbishments; coordination with tradespeople, scheduling, construction programme as well as handovers and rectification of defects.
Client advisory / client representation
Client advisory and client representation for building matters; support with project selection, contract management, tender comparisons, awards and coordination with contractors.
Renovations, conversions and refurbishments
Renovations, conversions and refurbishments of apartments, stairwells, bathrooms and kitchens; including office and complete refurbishments as well as apartment conversions.
Maintenance and façade refurbishments
Maintenance with façade refurbishments, flat roof refurbishments and lift refurbishments; repair, refresh and refurbishment of building components.
Coordination of specialist planners and authorities
Coordination management of specialist planners such as architects, engineers and building physicists as well as of the authorities during conversion and refurbishment projects.
Handovers and defect rectification
Handovers, final handovers as well as 2-year and 5-year handovers; including defect rectification and final inspections during the project.
Tendering phase and cost management
Honorarium tenders, tender comparisons, bidding rounds and awards; condition reports, construction accounting, invoice review as well as cost estimates and cost forecasts.
Trust & reputation

ranQ Trust Score of Cors - Baumanagement GmbH: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

Cors - Baumanagement GmbH scores 61.3 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.68.224%
  • 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.17.610%
  • 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.95.08%
Cors - Baumanagement GmbH scores 70.2 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%
Cors - Baumanagement 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%
Cors - Baumanagement GmbH scores 0.9 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 35.0.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Cors - Baumanagement GmbH reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 1 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
5
of 5

Aggregated from 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Seestrasse 110b
8610 Uster
Opening hours
Mon
08:00 - 12:00, 13:00 - 17:00
Tue
08:00 - 12:00, 13:00 - 17:00
Wed
08:00 - 12:00, 13:00 - 17:00
Thu
08:00 - 12:00, 13:00 - 17:00
Fri
08:00 - 12:00, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-468.739.557
Founded
2020 · 6 years
Last commercial register change
January 18, 2022
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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