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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureCivil Engineering FirmsArbonWälli AG Ingenieure
Wälli AG Ingenieure Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Wälli AG Ingenieure is an engineering firm providing services in structural engineering, civil/infrastructure engineering and geoinformatics. Its offerings cover all project phases and include structural design, drainage and water-supply planning, surveying and geomonitoring, BIM and leak-detection services.

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Offering

Products & services

Industry:Civil Engineering Firms
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4.1/5

Wälli AG Ingenieure

✓ Offered
7
Structural engineering
Structural design concepts for new buildings, renovations and maintenance of existing structures; special deep foundation works, earthquake safety, expert assessments and reports for buildings, bridges, schools, hospitals and housing developments.
Civil engineering (infrastructure)
Planning and delivery of transport, waste management, utilities and water engineering projects; traffic planning, road construction, GEP, GWP, pipeline construction, flood protection, municipal consulting and client support.
Geoinformatics
Surveying, geomonitoring, 3D surveying, BIM, WebGIS, utility network cadastre and land management; including construction surveying, laser scanning, drone surveying, GIS solutions and cadastral management.
Ordering of geodata
Ordering of geodata in the geodata shop for municipalities, associations and companies.
Gas / water leak detection
24/7 on-call duty for leak detection on gas and water pipelines, including line and leak locating.
Remote maintenance
Remote maintenance support and download of current remote maintenance software such as TeamViewer.
File sharing
Data exchange portal for sharing project data and documents.
Trust & reputation

ranQ Trust Score of Wälli AG Ingenieure: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 58% · As of October 2026

Without public customer reviews the score stays capped.

Wälli AG Ingenieure 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%
Wälli AG Ingenieure scores 92.5 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.70.07%
Wälli AG Ingenieure scores 86.7 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).86.722%
Wälli AG Ingenieure scores 76.7 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 35.100.04%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.53.34%
Qualifications+0.00

Wälli AG Ingenieure 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 58%, 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.

Press

Media

April 24, 2026Media
Generationenwechsel bei Wälli AG Ingenieure
leaderdigital.ch
February 5, 2019Media
Zusammenschluss im Ingenieurmarkt: Ostschweizer Wälli-Gruppe übernimmt IPG Keller AG
tagblatt.ch
February 5, 2019Media
Zusammenschluss im Ingenieurmarkt: Ostschweizer Wälli-Gruppe übernimmt IPG Keller AG
luzernerzeitung.ch
February 4, 2019Media
IPG Keller AG wird Teil der Wälli AG Ingenieure
leaderdigital.ch

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Secure profile

Location

Brühlstrasse 2a
9320 Arbon

At a glance

Legal form
Corporation
UID
CHE-105.946.818
Founded
1975 · 51 years
Last commercial register change
May 11, 2026
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.
100.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.100.03%
    • Full methodology

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