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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringWinterthurDr. J. Grob & Partner AG
Dr. J. Grob & Partner AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Dr. J. Grob & Partner AG is a structural engineering firm that designs and engineers load-bearing systems for buildings, bridges and timber structures. Services include specialist deep foundation design, seismic and structural-dynamics analysis, expert reports and project support from concept through execution and maintenance.

AI-generated
Offering

Products & services

Industry:Technical Consulting & Engineering
✓ Offered6
Building construction
Structural design for reinforced concrete, steel and timber construction in building and industrial construction, including foundations, excavation pits, special foundations, concept and maintenance.
Infrastructure construction
Planning of bridges and civil engineering structures from concept and design phases through execution to maintenance and adaptation.
Special deep foundation work
Planning of deep foundations, ground improvement, excavation support and underpinning of existing buildings; concept, design, execution and construction management.
Timber construction
Engineering services in modern and traditional timber construction, with mature, cost-optimized and sustainable solutions in integrated planning.
Earthquake / Structural dynamics
Solutions for structural dynamics such as vehicle impact or earthquakes, as well as risk analyses and risk assessments.
Expert reports / Engineering opinions
Studies, expert reports, risk analyses and inspection works based on in-house know-how.
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4.1/5

Dr. J. Grob & Partner AG

Trust & reputation

ranQ Trust Score of Dr. J. Grob & Partner AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Dr. J. Grob & Partner 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.
x
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%
Dr. J. Grob & Partner AG scores 93.9 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.82.07%
Dr. J. Grob & Partner AG scores 83.3 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).83.322%
Dr. J. Grob & Partner AG scores 60.0 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 35.60.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Dr. J. Grob & Partner AG reaches a ranQ Trust Score of 4.1 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 54%, 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.

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Location

Technikumstrasse 73
8400 Winterthur

At a glance

Legal form
Corporation
UID
CHE-106.107.766
Founded
1994 · 32 years
Last commercial register change
November 11, 2025
Employees
21 to 50
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.85.03%
    • Full methodology

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