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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding ConstructionDöttingenBirchmeier Spezialtiefbau AG
Birchmeier Spezialtiefbau AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

Birchmeier Spezialtiefbau AG carries out specialist deep foundation and excavation works, offering services such as sheet piling, pile foundations, special drilling and complete excavation solutions including dewatering. The company provides engineering services during the planning phase and can act as a full or partial contractor.

AI-generated
Offering

Products & services

Industry:Building Construction
✓ Offered6
Special deep foundation work
Special deep foundation contracts with full or partial services, including sheet pile walls, pile work, complete excavation pit solutions and dewatering; if requested, with engineering services in the planning phase.
Complete excavation pits
Complete excavation pits including the required engineering services and contractor execution, all from one source with a single point of contact, cost transparency and execution using our own machinery fleet.
Construction pit closures
Construction pit closures for tight space conditions as well as difficult geotechnical and hydrological conditions; sheet pile walls, pile walls, Rühl walls and anchored walls for excavation support and slope stabilisation.
Pile foundations
Pile foundations for ground conditions with insufficient bearing capacity, with cast-in-situ concrete piles, driven concrete piles as well as Kelly drilling, full-displacement drilling, continuous flight auger drilling and a double-head system.
Special drilling
Special drilling such as guide boreholes, boreholes for wells, grab drilling and down-the-hole hammer drilling for different geological strata and confined site conditions.
Water engineering
Special deep foundation work in and at water with sheet pile walls, piles and solutions for complex tasks in lakes and rivers, including engineering services during the planning phase.
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3.7/5

Birchmeier Spezialtiefbau AG

Trust & reputation

ranQ Trust Score of Birchmeier Spezialtiefbau AG: 3.7 out of 5.0

Trust Score3.7/ 5.0

Solid

x

Data basis 100% · As of October 2026

Birchmeier Spezialtiefbau AG scores 47.1 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.54.224%
  • 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.27.910%
  • 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.50.08%
Birchmeier Spezialtiefbau AG scores 68.4 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.39.612%
  • 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.90.07%
Birchmeier Spezialtiefbau AG scores 86.7 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).86.722%
Birchmeier Spezialtiefbau AG scores 50.0 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 35.100.04%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.0.04%
Qualifications+0.00

Birchmeier Spezialtiefbau AG reaches a ranQ Trust Score of 3.7 out of 5.0 — rated «Solid». The rating draws, among other things, on 3.0 out of 5 stars from 2 customer reviews. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
3
of 5

Aggregated from 2 reviews across all connected sources

Sources
GGoogle32
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

July 18, 2024Media
Dagmerseller Sondereffort im Maggiatal
willisauerbote.ch

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Comparisons

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Location

Gewerbestrasse 21
5312 Döttingen
Opening hours
Mon
07:30 - 12:00, 13:00 - 17:30
Tue
07:30 - 12:00, 13:00 - 17:30
Wed
07:30 - 12:00, 13:00 - 17:30
Thu
07:30 - 12:00, 13:00 - 17:30
Fri
07:30 - 12:00, 13:00 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-430.041.862
Founded
2024 · 2 years
Last commercial register change
February 11, 2026
Employees
51 to 100
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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