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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding ConstructionMaisprachHans Graf AG Bauunternehmung
Hans Graf AG Bauunternehmung Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Hans Graf AG is construction, offering a wide range of projects in the fields of building construction, landscape construction, civil engineering, renovation and demolition. The company provides services such as planning, execution and management of construction projects for private and public clients.

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Offering

Products & services

Industry:Building ConstructionBuilding Maintenance
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4.1/5

Hans Graf AG Bauunternehmung

Civil Engineering
Site Preparation
✓ Offered6
Building construction
Above-ground building construction for private clients, public authorities and general contractors; residential buildings, commercial buildings, public buildings and agricultural buildings.
Civil engineering works
Earthworks and earthmoving, civil engineering in the underground, sewer and utility pipeline construction, private driveway access, stream bank reinforcements, mast foundations, retaining walls and slope stabilisation.
Conversion and renovation work
General conversion and renovation work, reinforced concrete works, masonry works and façade renovations, including during ongoing operations and in occupied buildings.
Dismantling and demolition
Demolition work, dismantling work, timber dismantling, manual dismantling and dismantling of small buildings; clean removal and professional disposal of buildings and structures.
Customer projects
Small jobs and emergencies, general conversion work, kitchen and bathroom refurbishments, drilling and milling work, maintenance work and building service.
Landscape construction
Retaining and ornamental walls, driveways and forecourts, hard-surfaced areas, foundations for garden facilities, concrete elements and new installations.
Trust & reputation

ranQ Trust Score of Hans Graf AG Bauunternehmung: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Hans Graf AG Bauunternehmung scores 65.8 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.72.124%
  • 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.40.910%
  • 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.78.08%
Hans Graf AG Bauunternehmung 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%
Hans Graf AG Bauunternehmung scores 85.0 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).85.022%
Hans Graf AG Bauunternehmung scores 17.1 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 35.17.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Hans Graf AG Bauunternehmung reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.8 out of 5 stars from 4 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
4.8
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle4.84
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Lindenweg 4a
4464 Maisprach
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-107.790.295
Founded
1997 · 29 years
Last commercial register change
December 14, 2021
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.70.03%
    • Full methodology

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