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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitectAzmoosVONGRUNDAUF GmbH
VONGRUNDAUF GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

VONGRUNDAUF GmbH provides services in the construction sector, including consultancy, project management, planning, construction supervision and expert reports. Its work covers building projects from initial planning through execution and handover.

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Presence

Service area

Offering

Products & services

Industry:Architect
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3.9/5

VONGRUNDAUF GmbH

Construction manager
✓ Offered5
Advisory services
Location consulting, needs definition, second opinion and client advisory for construction projects, from initial clarification to project preparation.
Project management
Project management including land purchase, cadastral mutations and easements, project schedule, leading the project team, support for the building permit application and project documentation.
Planning
Study planning, preliminary project planning, construction design, detailed execution planning and detail design for new builds, conversions and renovation projects.
Construction management
Cost estimates, cost budgets, scheduling, tendering, tender and contract award procedures, construction execution, approvals/acceptances, as well as cost control and invoicing.
Expertise
Expertise for claims/damage cases, conversions and renovations, including technical assessment and support for complex construction projects.
Trust & reputation

ranQ Trust Score of VONGRUNDAUF GmbH: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of November 2026

VONGRUNDAUF GmbH scores 62.0 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.70.824%
  • 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.27.910%
  • 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%
VONGRUNDAUF GmbH scores 72.3 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.75.012%
  • 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%
VONGRUNDAUF GmbH 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%
VONGRUNDAUF GmbH scores 2.3 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 35.2.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

VONGRUNDAUF GmbH reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 2 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 2 reviews across all connected sources

Sources
GGoogle52
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Ausserdorf 20
9478 Azmoos
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
Limited Liability Company
UID
CHE-241.604.308
Founded
2019 · 7 years
Last commercial register change
April 11, 2019
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • SGWartau
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.
88.0
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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