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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureCivil EngineeringReinach AgSteiner AG Spezialtiefbau
Steiner AG Spezialtiefbau Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Steiner AG Spezialtiefbau is specialized civil engineering, particularly excavation pit securing and foundations. The company offers services such as anchors, nails, underpinning, shotcrete, piles, drilling, securing of retaining structures and diaphragm walls.

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Products & services

Industry:Civil EngineeringSite Preparation
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Steiner AG Spezialtiefbau

✓ Offered10
Excavation shoring
Excavation shoring with anchors, nails, soil-nailing walls, shotcrete, Rühl walls and underpinning for deep construction and site preparation.
Pile foundations and piles
Pile foundations, micropiles, injection bored piles, NDJ jetting piles and large-diameter bored piles up to Ø600 mm, also for existing structures and sites with limited space.
Anchoring and soil nailing
Temporary and permanent anchors, strand anchors and rod anchors, as well as temporary and permanent slope stabilisation.
Shotcrete works
Shotcrete as erosion protection, for underpinning, exposed-shotcrete walls, and to strengthen masonry and secure retaining walls.
Rühl walls
Construction of Rühl walls as a securing and supporting system in special deep foundation works.
Works in and on existing structures
Pile foundations, shotcrete works and anchoring within existing buildings as well as on sites with limited space.
Securing retaining structures
Securing timber-sleeper walls, rubble masonry, concrete retaining walls and garden walls, as well as embankment remediation.
Underpinning and infill panels
Underpinning using shotcrete and infill-panel works for Rühl walls and pile walls.
Boreholes
Inclinometer boreholes, cased boreholes, and boreholes for filter wells and dewatering.
Planning and consulting
Geotechnics, measurement technology and project concept design in deep and special deep construction.
Trust & reputation

ranQ Trust Score of Steiner AG Spezialtiefbau: 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.

Steiner AG Spezialtiefbau 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.
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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%
Steiner AG Spezialtiefbau scores 86.1 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.92.512%
  • 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%
Steiner AG Spezialtiefbau scores 83.3 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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%
Steiner AG Spezialtiefbau scores 34.3 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 35.34.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Steiner AG Spezialtiefbau 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.

Knowledge

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Location

Griensammlerstrasse 12
5734 Reinach Ag

At a glance

Legal form
Corporation
UID
CHE-444.890.063
Founded
2014 · 12 years
Last commercial register change
May 12, 2022
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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