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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureConstruction & Project ManagementSteinhausenBühlmann & Partner Baumanagement GmbH
Bühlmann & Partner Baumanagement GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Bühlmann & Partner GmbH is construction management, including services such as owner representation, overall project management and construction management.

AI-generated
Offering

Products & services

Industry:Construction & Project Management
✓ Offered3
Client representation
Advisory and representation of the client in construction projects, strategic planning, definition of organisation and responsibilities, tendering, award, coordination, quality, schedule and cost monitoring.
Overall project management
Independent management of construction projects, representation of the client, coordination of client and design team, sequencing and scheduling, contract awards, contractual matters, and quality, schedule and cost monitoring.
Site supervision
Independent site management, organisation of the construction site, scheduling, submissions and contractor awards, contractor agreements, cost, schedule and quality monitoring as well as inspections and handovers.
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3.9/5

Bühlmann & Partner Baumanagement GmbH

Trust & reputation

ranQ Trust Score of Bühlmann & Partner Baumanagement GmbH: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

Bühlmann & Partner Baumanagement GmbH scores 58.0 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.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.78.08%
Bühlmann & Partner Baumanagement GmbH scores 83.0 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.100.012%
  • 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%
Bühlmann & Partner 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%
Bühlmann & Partner Baumanagement GmbH scores 2.9 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 35.2.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Bühlmann & Partner Baumanagement GmbH reaches a ranQ Trust Score of 3.9 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.

Knowledge

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Location

Hinterbergstrasse 30
6312 Steinhausen

At a glance

Legal form
Limited Liability Company
UID
CHE-112.246.637
Founded
2005 · 21 years
Last commercial register change
November 19, 2024
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.88.06%
  • 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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