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

About the company

Jules Steiger AG is a construction and real estate company providing building and civil works as well as construction management services. Its offerings include general contracting, site supervision and client representation, property sales and rentals, and operation of a machinery fleet.

AI-generated
Offering

Products & services

Industry:Civil Engineering
✓ Offered6
Civil engineering
Excavation of building pits, sewer systems, foundations, site services, utility lines and house connections; demolition, remediation of contaminated sites, road and paving works, drainage installations and specialist works with stream and river re-routing.
Building construction
Residential construction, industrial and commercial buildings as well as public buildings; from single-family houses and multi-family homes through offices, fabrication and industrial halls to administrative buildings and restaurants.
Masonry contractor
Conversions, renovations and smaller building works; extensions to houses and apartments, balcony extensions, garages, annexes, bathroom, kitchen and living-area renovations, as well as forecourts, retaining walls and swimming pools.
General contractor
Turnkey execution of approved building projects as general contractor or total contractor; fixed price, one point of contact, and on request first letting, sale of apartments, building caretaker services and property management.
Construction management
Independent construction management for single-family houses and conversions; advice, representation during the construction process, cost estimates, schedule monitoring and financial reporting for transparent project execution.
Client representation
Representation of building owners in construction projects; monitoring implementation, schedules, costs and quality on a fiduciary basis, as well as the interface with the parties involved, companies and authorities.
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4.1/5

Jules Steiger AG

Trust & reputation

ranQ Trust Score of Jules Steiger 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.

Jules Steiger 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%
Jules Steiger AG scores 88.2 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%
Jules Steiger 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%
Jules Steiger AG scores 14.3 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 35.14.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Jules Steiger 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

Kantonsstrasse 112
6234 Triengen

At a glance

Legal form
Corporation
UID
CHE-106.844.557
Founded
1999 · 27 years
Last commercial register change
March 10, 2025
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.95.03%
    • Full methodology

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