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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureCivil Engineering FirmsNiederuzwilBillinger AG
Billinger AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Billinger AG is engineering, particularly in the field of civil engineering, with a focus on: drinking water supply and pipeline construction, building construction and civil engineering, road construction and pipeline construction, wastewater and sewer construction, fire protection, and GIS (Geographic Information Systems). The company offers planning and consulting services in these areas and has an experienced team of civil engineers, technical staff and draftsmen.

AI-generated
Offering

Products & services

Industry:Civil Engineering Firms
✓ Offered10
Potable water supply
Planning, replacement and expansion of potable water networks; technical management, on-call duty, leak detection, pressure testing as well as special structures such as reservoirs, treatment plants and pump stations.
Utility pipeline construction
Renewal and expansion of utility supply lines; planning of extensions, overall projects with other utility networks, GPS surveys, data transmission and pressure tests.
Special water supply structures
Planning and realization of reservoir facilities, treatment plants, pressure reduction shafts, staged pump works and groundwater pumping stations from the study through to key handover.
Road construction
Planning and implementation of road projects for public and private clients; preliminary design, construction project, execution, commissioning as well as renovations, redesigns and infrastructure connections.
Wastewater systems
Building permits and acceptance of new pipeline construction, advice on connection shafts as well as planning and execution of sewer rehabilitation with robots, inline or complete replacement.
Building construction
Structural engineering for single-family and multi-family houses, formwork and reinforcement plans, excavation planning as well as underpinning, Rühl walls, shotcrete walls and bored piles.
Excavations & specialist deep construction
Excavation supports with sheet pile walls, Rühl walls, shotcrete, soil nails, micropiles, displacement piles and excavation bracing.
Special water supply structures
Reservoir conversions while in operation, pressure reduction shafts, disinfection and treatment facilities as well as pump works for water supplies.
Fire protection
Development of fire protection concepts, permit processing and plan preparation for clients, architects and authorities.
Agriculture / acceptance of manure pits
Leak tightness tests of manure slurry pits, periodic condition inspections and cantonal acceptances on agricultural holdings.
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4.1/5

Billinger AG

Trust & reputation

ranQ Trust Score of Billinger 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.

Billinger 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%
Billinger AG scores 89.3 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%
Billinger AG scores 83.3 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).83.322%
Billinger AG scores 1.4 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 35.1.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Billinger 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

Herrenhofstrasse 36
9244 Niederuzwil

At a glance

Legal form
Corporation
UID
CHE-109.841.242
Founded
2002 · 24 years
Last commercial register change
December 18, 2002
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.70.03%
    • Full methodology

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