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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringKoppigenBaumberger + Weyermann AG
Baumberger + Weyermann AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Baumberger + Weyermann AG is an engineering firm active in structural engineering, civil engineering, special foundation engineering, expert assessments and utility cadastre updates. The company provides design, consulting and surveying services for building, infrastructure and land-drainage projects.

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Offering

Products & services

Industry:Technical Consulting & Engineering
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4.1/5

Baumberger + Weyermann AG

✓ Offered
11
Structural design
Structural design for residential buildings, commercial and industrial buildings, public buildings as well as steel, steel-concrete composite and timber construction; including retaining walls, foundations and BIM.
Renovation & preservation
Renovations, conversions, change of use and seismic retrofitting in above-ground engineering construction; supplemented by building-technical measures for maintaining and adapting existing structures.
Transport infrastructure construction
Road construction, traffic management, engineering structures and road safety audits in civil engineering for infrastructure projects and traffic facilities.
Water engineering
River and stream engineering, diversions, hydrological structures and renaturalisation for water-engineering and ecological infrastructure projects.
Land development & municipal drainage
Utility network planning, infiltration measures and capacity sizing for land development as well as municipal drainage and infrastructure coordination.
Excavation support
Slope verification, soil-nailed walls, sheet piling walls, Rühl walls and BIM to Field for planning and securing excavations.
Foundations
Piling, settlement calculations and soil stabilisation for foundation concepts and load-bearing ground solutions.
Seismic engineering
Compliance factors, proportionality calculations, structural measures and construction support for earthquake-safe adaptations of existing buildings.
Condition assessments
As-built documentation and crack reports to assess the condition of the structure and document damage or changes.
Client advisory
Feasibility studies, impact analyses, capacity sizing and civil-engineering permit reviews for complex projects in the planning phase.
Cadastral updating
Creation, updating and management of utility network cadastres with surveying, 3D cadastral updates, cadastre information and infiltration cadastre.
Trust & reputation

ranQ Trust Score of Baumberger + Weyermann AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Baumberger + Weyermann AG has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
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CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Baumberger + Weyermann AG scores 87.1 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%
Baumberger + Weyermann AG scores 83.3 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).83.322%
Baumberger + Weyermann AG scores 31.4 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 35.31.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Baumberger + Weyermann AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, 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.

Knowledge

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Secure profile

Location

Hauptstrasse 29
3425 Koppigen

At a glance

Legal form
Corporation
UID
CHE-105.877.212
Founded
1981 · 45 years
Last commercial register change
June 24, 2016
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.85.03%
    • Full methodology

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