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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding ConstructionTrogenSchefer Hoch- und Tiefbau AG
Schefer Hoch- und Tiefbau AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Schefer Hoch- und Tiefbau AG provides consulting and building and civil engineering services. Work listed on the website includes excavation, demolition and dismantling, new construction and renovations, roadworks, sewer and drainage works, embankment and stream stabilization, and masonry and cellar repairs.

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Products & services

Industry:Building ConstructionCivil Engineering
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3.8/5

Schefer Hoch- und Tiefbau AG

✓ Offered12
Consulting
Consulting on above-ground and civil-engineering projects, planning and execution of construction projects, and coordination of the appropriate construction works.
Excavation
Excavation works for building pits, terrain and projects in above-ground and civil engineering.
Demolition and dismantling
Demolition and dismantling works for existing buildings and installations, as preparation for new or conversion work.
New builds
Execution of new builds in above-ground construction, from erecting new buildings to associated construction works.
Building conversions
Conversion works on existing buildings, including adaptations, extensions and structural alterations.
Road construction
Road construction works for traffic areas, driveways and road-related infrastructures in outdoor areas.
Trenching
Trenching works for pipelines, drainage and infrastructure in civil engineering.
Sewerage systems
Construction and renovation of sewerage systems and associated drainage installations.
Paving works
Paving works for roads, squares and forecourts, including surface finishes and completion of traffic areas.
Basement renovations
Renovation of cellars and basements, including structural repairs and sealing work.
Plastering work
Plastering work on walls and surfaces as part of new-build, conversion and renovation projects.
Natural stone walls
Construction of natural stone walls for retaining, design and structural boundary enclosures.
Trust & reputation

ranQ Trust Score of Schefer Hoch- und Tiefbau AG: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

Schefer Hoch- und Tiefbau AG scores 49.8 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.68.224%
  • 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.17.610%
  • 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%
Schefer Hoch- und Tiefbau 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%
Schefer Hoch- und 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.
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%
Schefer Hoch- und Tiefbau AG scores 0.9 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 35.0.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Schefer Hoch- und Tiefbau AG reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 1 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
5
of 5

Aggregated from 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Bleichi 6
9043 Trogen
Opening hours
Mon
07:00 - 12:00, 13:00 - 18:00
Tue
07:00 - 12:00, 13:00 - 18:00
Wed
07:00 - 12:00, 13:00 - 18:00
Thu
07:00 - 12:00, 13:00 - 18:00
Fri
07:00 - 12:00, 13:00 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-112.889.858
Founded
2006 · 20 years
Last commercial register change
December 14, 2018
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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