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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding contractorSpeicherAndreas Graf AG
Andreas Graf AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Andreas Graf AG is a construction company working in building and civil engineering. Its services include concrete and utility-line construction, landscaping, paving, core drilling, work around homes and snow clearance.

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Presence

Service area

Offering

Products & services

Industry:Building contractorCivil works
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4.0/5

Andreas Graf AG

✓ Offered9
Building construction
Building construction with concrete work, retaining walls, garages, and structures from basement level up to the ground-floor slab.
Civil engineering
Civil engineering for utility trenching, water supply, power networks, open trench and trenchless pipe installation, plus pond rehabilitation and pond construction.
Exterior works
Renovation of outdoor areas around the house, excluding planting.
Paving works
Natural stone paving and interlocking block surfacing for forecourts and access paths.
Core drilling
Concrete drilling up to NW 500 mm.
Customer works
Work in and around buildings, including masonry and plastering, perimeter insulation, granite copings, demolition, and chiselling work for renovations.
Floor covering removal
Removal of plastic flooring, parquet and heavy adhesive residues using a mobile stripping machine.
Sandblasting
Small on-site sandblasting work with a mobile free-blast unit.
Snow clearing
Snow clearing with wheel loader, plough, municipal tractor, snow blower and salt spreader.
Trust & reputation

ranQ Trust Score of Andreas Graf AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of November 2026

Andreas Graf AG scores 63.1 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.78.124%
  • 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.49.510%
  • 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%
Andreas Graf AG scores 85.5 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%
Andreas Graf 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%
Andreas Graf AG scores 2.0 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 35.2.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Andreas Graf AG reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 6 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
5
of 5

Aggregated from 6 reviews across all connected sources

Sources
GGoogle56
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Buchschwendi
9042 Speicher

At a glance

Legal form
Corporation
UID
CHE-114.939.214
Founded
2009 · 17 years
Last commercial register change
December 27, 2022
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • ARSpeicher
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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