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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTesting and inspection bodyPontresinaBernina Bau Labor AG
Bernina Bau Labor AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Bernina Bau Labor AG is an accredited testing laboratory for concrete, aggregates and mineral construction materials. It tests fresh and hardened concrete, aggregates for concrete and asphalt, as well as subsoil and foundations, and provides advice on quality control and construction materials.

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Service area

Offering

Products & services

Industry:Testing and inspection body
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3.8/5

Bernina Bau Labor AG

✓ Offered6
Testing of fresh, hardened and shotcrete
Testing of water content, consistency, fresh concrete bulk density and air content; manufacture and curing of test specimens, strength testing, and early strength of shotcrete.
Testing of mineral and recycled construction materials
Testing of aggregates and recycled construction materials, sampling and sample reduction, particle shape and sieve procedures, as well as classification of constituents.
On-site earthworks testing
Checking the compaction and bearing capacity of subsoil and foundations directly on site, in particular plate load tests and ME measurements.
Advisory support for factory production control
Advice and support for factory production control in gravel and concrete plants, including test plans, inspection concepts and quality monitoring.
Documentation and certification support for gravel and concrete plants
Preparation of the required documentation for certifications, such as statistical evaluations, evidence of conformity, and declarations of manufacturer and performance.
Consulting on raw materials and processing
Assessment of raw materials and input materials, conducting preliminary trials, suitability and initial testing, and optimisation of existing processing systems.
Trust & reputation

ranQ Trust Score of Bernina Bau Labor AG: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of November 2026

Bernina Bau Labor AG scores 63.5 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.77.424%
  • 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.52.910%
  • 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.35.08%
Bernina Bau Labor AG scores 59.7 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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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.55.07%
Bernina Bau Labor AG scores 86.7 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).86.722%
Bernina Bau Labor AG scores 2.0 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.2.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Bernina Bau Labor AG reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 4.9 out of 5 stars from 7 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of November 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.9
of 5

Aggregated from 7 reviews across all connected sources

Sources
GGoogle4.97
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Via Plauns 24
7504 Pontresina

At a glance

Legal form
Corporation
UID
CHE-439.881.874
Founded
2024 · 2 years
Last commercial register change
June 26, 2026
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • GRPontresina
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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