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

About the company

The core activity of Fröhlich Wasserbau AG is water construction, particularly the planning and realization of water construction projects in Eastern Switzerland. The company offers creative solutions for water construction projects and has a team of experts with diverse expertise, including civil engineers, environmental engineers, and agronomists.

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Offering

Products & services

Industry:Technical Consulting & EngineeringCivil Engineering Firms
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Fröhlich Wasserbau AG

✓ Offered9
Engineering services in hydraulic engineering and water management
Integrated engineering services from situation analysis and concepts through design and execution to maintenance, monitoring, consulting and expert reports.
Flood protection
Flood protection projects with variant studies, concepts, submission plans, construction management and object protection-related measures for settlement areas, watercourses and facilities.
Watercourse revitalisation and stream daylighting
Revitalisations and stream daylighting with concepts, preliminary design, submission plans, construction management and hydraulic engineering support for rivers, streams, floodplains and riparian areas.
Landslide slope remediation
Remediation of landslide slopes with hydraulic and engineering-biological measures, including design, submission plans and construction management.
Engineering biology
Engineering-biological measures for riverbanks, watercourses and dynamic river sections, including stabilisation, planting and ecologically oriented remediation.
Risk analyses and object protection
Risk analyses, risk management, hazard mapping, emergency planning, safety analyses, documentation for object protection and damage expert reports.
Watercourse space and environmental/land-use planning support
Definition of watercourse space, hydraulic engineering support for design and guiding plans, water law consulting, as well as concepts for watercourses and habitats.
Hydropower plant refurbishment
Refurbishment of hydropower plants addressing topics such as residual flow, fish passage (upstream and downstream) and sediment management in connection with watercourse projects.
Watercourse maintenance
Organisation and concepts for watercourse maintenance, maintenance regulations and staff training, as well as ongoing support for watercourse sections.
Trust & reputation

ranQ Trust Score of Fröhlich Wasserbau 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.

Fröhlich Wasserbau 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.
x
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%
Fröhlich Wasserbau AG scores 85.5 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.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%
Fröhlich Wasserbau AG 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%
Fröhlich Wasserbau AG scores 5.4 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 35.5.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Fröhlich Wasserbau 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.

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Location

Allmendweg 31
8500 Frauenfeld

At a glance

Legal form
Corporation
UID
CHE-109.661.332
Founded
2002 · 24 years
Last commercial register change
December 16, 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.
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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