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

About the company

Aderno Baumanagement AG is a construction management company specializing in the planning, control and execution of high-rise building projects. The company's core activity includes construction management, project management and the realization of construction projects in the high-rise building sector.

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Products & services

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ADERNO Baumanagement AG

✓ Offered5
Construction site supervision and management
Construction site supervision and management for renovation and new-build projects, including construction schedules, cost control, schedule planning, final accounts and supervision through completion.
Client advisory and client representation
Client advisory services, representation of the client, support with tenders, with issues involving architects, site managers or authorities, and with defects and warranty work.
Project planning and project control in construction
Cost estimates, preliminary budgets, tenders, construction and project management, cost control and schedule planning for construction projects in renovation and new-build.
Renovation project delivery
Execution and delivery of renovation construction projects, with support from planning through final accounts and handover.
New-build project delivery
Execution and delivery of new-build construction projects, in particular for single-family homes, multi-family houses as well as industrial and commercial buildings.
Trust & reputation

ranQ Trust Score of ADERNO Baumanagement AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

ADERNO Baumanagement AG scores 75.0 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.82.524%
  • 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.61.010%
  • 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%
ADERNO Baumanagement AG scores 79.8 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.86.512%
  • 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%
ADERNO Baumanagement AG 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%
ADERNO Baumanagement AG 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

ADERNO Baumanagement AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 10 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 10 reviews across all connected sources

Sources
GGoogle510
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Industriestrasse 29
8625 Gossau Zh

At a glance

Legal form
Corporation
UID
CHE-256.242.734
Founded
2016 · 10 years
Last commercial register change
January 26, 2018
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.
100.0
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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