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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,888 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureCivil EngineeringSeftigenBrönnimann Spezial-Tiefbau AG
Brönnimann Spezial-Tiefbau AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Brönnimann Spezial-Tiefbau AG provides a comprehensive range of specialist civil-engineering services and carries out professional, on-schedule works. The company operates a modern machinery and equipment fleet and maintains an in-house workshop to develop custom tools and machines.

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Products & services

Industry:Civil Engineering
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4.2/5

Brönnimann Spezial-Tiefbau AG

✓ Offered7
Shotcrete
Shotcrete for the securing of permanent or temporary construction-pit walls and for the renovation of structures; mix designs with plastic or steel fibres can be adapted.
Ground anchoring
Anchors for retaining construction-pit walls, slopes, embankments, rock strata and road verges; bar and strand anchors, self-drilling anchors as well as permanent GFK-Dual anchors.
Micropiling
Micropiles for transferring compression and tensile loads, as foundation piles, for protection against uplift and for back-anchoring of construction-pit and structure walls.
Blasting works
Blasting of rocks, stones, construction pits, ground depressions, storage ponds, tunnels and structures when conventional hydraulic excavators or milling machines are not sufficient.
Underground construction
Underground construction for smaller and larger operations in projects; support as a contractor or subcontractor on demanding construction projects.
Avalanche and rockfall protection
Avalanche and rockfall protection with drilling, injection and installation personnel for work in mountainous terrain and for the execution of safety projects.
Specialized areas
Securing road verges, stabilisation and securing of sliding or unstable roads, slopes and rocks with shoring techniques.
Trust & reputation

ranQ Trust Score of Brönnimann Spezial-Tiefbau AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Brönnimann Spezial-Tiefbau AG scores 72.9 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.76.324%
  • 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.67.110%
  • 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%
Brönnimann Spezial-Tiefbau AG scores 87.1 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.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%
Brönnimann Spezial-Tiefbau AG scores 85.0 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).85.022%
Brönnimann Spezial-Tiefbau AG scores 25.7 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 35.25.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Brönnimann Spezial-Tiefbau AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.7 out of 5 stars from 13 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
4.7
of 5

Aggregated from 13 reviews across all connected sources

Sources
GGoogle4.713
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Pfandersmatt 158
3662 Seftigen
Opening hours
Mon
07:00 - 17:00
Tue
07:00 - 17:00
Wed
07:00 - 17:00
Thu
07:00 - 17:00
Fri
07:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-111.732.102
Founded
2004 · 22 years
Last commercial register change
June 12, 2020
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.85.03%
    • Full methodology

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