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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureCivil Engineering FirmsWinterthurS+K Bauingenieure AG
S+K Bauingenieure AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of S+K Bauingenieure AG is the planning, consulting and project planning of construction projects, particularly in the fields of civil engineering and structural engineering. The company offers services such as project management, design, building physics and fire protection, and is involved in the realization of new buildings, conversions and renovations of buildings, underground garages and other structures.

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Offering

Products & services

Industry:Civil Engineering Firms
✓ Offered4
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S+K Bauingenieure AG

Civil engineering services for building
Structural systems in reinforced concrete, steel and timber, general and special deep construction, structural alterations, concrete restoration and demolition for new-build and renovation projects.
Civil engineering services for infrastructure
Traffic and parking facilities, disposal of foul and stormwater, retention and infiltration systems, watercourse construction and water supply in public and private civil engineering works.
Design and execution planning
Problem analyses, planning studies, execution planning as well as schedule and cost planning for construction projects in building and civil engineering.
Project management and owner advisory
Project management, advisory services and expert reports as individual services or as overall designer, independent and on behalf of the client.
Trust & reputation

ranQ Trust Score of S+K Bauingenieure AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

S+K Bauingenieure AG scores 59.6 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.57.924%
  • 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.40.910%
  • 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.88.08%
S+K Bauingenieure 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%
S+K Bauingenieure 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%
S+K Bauingenieure AG scores 45.7 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 35.45.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

S+K Bauingenieure AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 3.8 out of 5 stars from 4 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
3.8
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle3.84
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Bahnstrasse 41
8400 Winterthur
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-101.299.463
Founded
1992 · 34 years
Last commercial register change
February 9, 2024
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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