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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureCivil EngineeringSisseln AgZIEGLER AG
ZIEGLER AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

ZIEGLER AG is a construction firm providing civil engineering and road-construction services, including pavement works, earthworks, water engineering and demolition. The company also supplies building materials and offers services related to its Microsil product.

AI-generated
Offering

Products & services

Industry:Civil Engineering
✓ Offered7
Civil engineering
Complex solutions in civil engineering and conventional utility line construction, including new build or replacement of sewer systems, foul and clean-water pipes as well as water, gas and pipeline systems for electricity, telephony, internet and TV.
Road construction
New construction and rehabilitation of motorways as well as cantonal and municipal roads, including foundations, paving and edgings, surfacing works and site works.
Road surfacing
Laying of surfacing with standardised bituminous mixes, special surfacings such as low-temperature and coloured coatings, kerb-edge surfacings, as well as surfacings for sports grounds and running tracks.
Earthworks and water engineering
Excavations, construction pits, stabilisations and rigid shoring, landfill management, re-cultivation and renaturalisation as well as embankment, pipeline corridor and flood protection structures.
Demolition
Demolition of residential buildings, industrial structures, warehouses, technical facilities, concrete constructions and utility lines, including segregation, recycling and disposal of the buildings.
Microsil
Thin asphalt wearing courses laid using cold construction methods, the Microsil-Color system for designed surfaces, and Bitufor Mesh Track for reinforcing asphalt pavements.
Building materials Hülften
Building materials and logistics at the Hülften site, with price list, quality assurance and declaration of excavated material for the Rütenen landfill.
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4.1/5

ZIEGLER AG

Trust & reputation

ranQ Trust Score of ZIEGLER AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

ZIEGLER AG scores 65.0 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
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.67.224%
  • 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.55.910%
  • 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.70.08%
ZIEGLER AG scores 80.4 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%
ZIEGLER 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%
ZIEGLER AG scores 68.6 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 35.68.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

ZIEGLER AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.4 out of 5 stars from 8 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
4.4
of 5

Aggregated from 8 reviews across all connected sources

Sources
GGoogle4.48
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Hauptstrasse 2a
4334 Sisseln Ag
Opening hours
Mon
08:00 - 12:00, 13:00 - 16:00
Tue
08:00 - 12:00, 13:00 - 16:00
Wed
08:00 - 12:00, 13:00 - 16:00
Thu
08:00 - 12:00, 13:00 - 16:00
Fri
08:00 - 12:00, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Branch
UID
CHE-414.653.185
Founded
1998 · 28 years
Last commercial register change
November 21, 2012
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.
76.0
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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