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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureConstruction & Project ManagementErsigenBaumann Baumanagement
Baumann Baumanagement Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Baumann Baumanagement is an architecture and construction management practice offering services such as design/preliminary studies (including 3D), building submissions, execution planning, tendering and site supervision. The firm also handles cost control, energy compliance documentation, warranty handovers, defect remediation and scheduling.

AI-generated
Offering

Products & services

Industry:Construction & Project Management
✓ Offered8
Architecture and construction management
Preliminary projects, building submissions, detailed execution planning, tendering, site management, cost control and energy performance documentation for construction and architecture projects.
Construction management
Construction management for new builds, conversions and renovations, including schedules, overall project leadership, warranty acceptances, rectification of defects and cost control.
Preliminary project and building permit submission
3D preliminary projects and building permit submissions for new builds, conversions and renovation projects, including preparation of documents for approval.
Detailed execution planning
Detailed execution planning for construction projects, as the basis for implementing new builds, conversions and renovations.
Tendering and cost control
Tendering, cost control and schedule-based project coordination for construction projects and renovation projects.
Energy performance documentation
Energy performance documentation as part of construction projects, in particular for preliminary projects, building submissions and detailed execution planning.
Renovations and conversions
Renovations and conversions of single-family homes, multi-family houses and existing properties, including building envelope, kitchen, bathroom and room remodeling.
Construction cost control and rectification of defects
Construction cost control, warranty acceptances and rectification of defects for existing properties and ongoing construction projects.
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3.8/5

Baumann Baumanagement

Trust & reputation

ranQ Trust Score of Baumann Baumanagement: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

Baumann Baumanagement scores 65.0 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.73.124%
  • 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.35.310%
  • 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%
Baumann Baumanagement scores 60.5 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.58.012%
  • 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%
Baumann Baumanagement 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%
Baumann Baumanagement scores 17.1 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 35.17.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Baumann Baumanagement 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 3 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 3 reviews across all connected sources

Sources
GGoogle53
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Gewerbestrasse 7
3423 Ersigen
Opening hours
Mon
08:00 - 18:00
Tue
08:00 - 18:00
Wed
08:00 - 18:00
Thu
08:00 - 18:00
Fri
08:00 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-226.032.557
Founded
2022 · 4 years
Last commercial register change
August 29, 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.
67.0
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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