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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsLenzburgBaumann Waser Partner AG Architekten und Planer
Baumann Waser Partner AG Architekten und Planer Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Baumann Waser Partner AG is the planning and execution of construction projects, including architecture, construction and project management, for various types of buildings such as residential buildings, industrial buildings, public buildings and renovations.

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Products & services

Industry:Architecture Firms
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Baumann Waser Partner AG Architekten und Planer

Architecture and planning services for building construction
Planning and support for building projects from needs analysis through preliminary design, construction project and building submission, to detailed design, site management, acceptance and handover.
Feasibility studies and preliminary design with cost estimate
Clarifications on plots of land and properties, assessment of qualities and risks, initial concepts and cost calculations as a basis for further collaboration.
Construction project, building submission and authority coordination
Development of the design, preparation of building permit documents, coordination with authorities and concepts for building services, fire protection and subsidy funding.
Tender and execution planning
Preparation of detailed plans for construction execution, development of technical solutions with specialist planners and tender documents in line with BKP and NPK.
Site management and project implementation
Coordination and supervision of on-site work, collaboration with external specialists and ensuring compliance with schedules, costs and building quality.
Acceptance, handover and project close-out
Construction acceptances and inspections, review of building services and energy measures, property handover, final cost accounting and completion documentation.
Trust & reputation

ranQ Trust Score of Baumann Waser Partner AG Architekten und Planer: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

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Data basis 96% · As of October 2026

Baumann Waser Partner AG Architekten und Planer scores 44.6 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.59.124%
  • 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.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.35.08%
Baumann Waser Partner AG Architekten und Planer scores 89.3 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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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.70.07%
Baumann Waser Partner AG Architekten und Planer 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%
Baumann Waser Partner AG Architekten und Planer scores 10.0 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 35.10.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Baumann Waser Partner AG Architekten und Planer reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 3.0 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
3
of 5

Aggregated from 1 reviews across all connected sources

Sources
GGoogle31
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Waschhausgraben 4
5600 Lenzburg

At a glance

Legal form
Corporation
UID
CHE-107.117.307
Founded
1977 · 49 years
Last commercial register change
January 12, 2023
Employees
11 to 20
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.100.06%
  • 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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