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

About the company

The core activity of Sonderegger Hoch- und Tiefbau AG is the execution of construction and civil engineering works, including stonework, building construction and civil engineering.

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Offering

Products & services

Industry:Building Construction
✓ Offered5
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Sonderegger Hoch- und Tiefbau AG

Building construction
Building construction work for new builds, conversions and renovations; this also includes civil engineering work, demolition work and natural stone work.
Civil engineering
Civil engineering work for building projects and site works; on the service page explicitly stated as a recommended area of activity.
Demolition work
Demolition of buildings and structures as part of construction and conversion projects; listed on the service page with reference projects.
Natural stone walls
Natural stone walls for garden, outdoor and retaining structures; listed on the service page as a recommended service.
Natural stone paving
Natural stone paving areas for outdoor facilities and private building projects; listed on the service page as a separate type of work.
Trust & reputation

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

Trust Score3.8/ 5.0

High

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Data basis 58% · As of October 2026

Sonderegger Hoch- und Tiefbau AG has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
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CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Sonderegger Hoch- und Tiefbau AG scores 67.9 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.50.012%
  • 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.70.07%
Sonderegger 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.
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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).85.022%
Sonderegger Hoch- und Tiefbau AG scores 10.7 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 35.11.44%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.10.04%
Qualifications+0.00

Sonderegger Hoch- und Tiefbau AG reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 58%, 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.

Press

Media

January 24, 2024Media
Eine neue alte Bauunternehmung für Heiden und Oberegg
leaderdigital.ch

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Location

Weidstrasse 3
9410 Heiden

At a glance

Legal form
Corporation
UID
CHE-486.609.303
Founded
2023 · 3 years
Last commercial register change
August 12, 2026
Employees
11 to 20
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.100.06%
  • 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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