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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsZollikonHaag + Partner Ingenieure GmbH
Haag + Partner Ingenieure GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Haag und Partner GmbH is civil engineering, particularly in the areas of: * Building construction (statics, reinforced concrete, timber construction, steel construction) * Municipal and urban infrastructure (settlement drainage, road construction, road space planning, pipeline construction, municipal engineering) * Specialized deep foundation engineering (trenchless construction methods, construction surveying and digital terrain models) * Consulting and planning services for municipalities and private clients in the fields of construction and infrastructure. The company also offers specialized services such as feasibility studies, static testing of existing buildings and earthquake retrofitting.

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Haag + Partner Ingenieure GmbH

Offering

Products & services

Industry:Architecture FirmsCivil Engineering FirmsConstruction & Project Management
✓ Offered4
Building construction
Structural analysis and structural engineering design for buildings made of reinforced concrete, steel and timber; planning and sizing for new builds, conversions and renovations.
Civil engineering
Planning of municipal and urban infrastructure projects such as drainage for residential areas, utility pipeline construction, road and traffic route construction and street-space planning.
Special deep civil engineering
Special deep civil engineering as an independent service area alongside building construction and civil engineering, with projects in the field of special deep civil engineering.
Consulting
Consulting in civil engineering, planning and project execution; personal support, transparent communication and reliable collaboration.
Trust & reputation

ranQ Trust Score of Haag + Partner Ingenieure GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Haag + Partner Ingenieure GmbH 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%
Haag + Partner Ingenieure GmbH scores 83.0 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%
Haag + Partner Ingenieure GmbH scores 83.3 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).83.322%
Haag + Partner Ingenieure GmbH scores 14.3 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 35.14.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Haag + Partner Ingenieure GmbH 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.

Knowledge

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Location

Seestrasse 69
8702 Zollikon
Opening hours
Mon
08:00 - 17:30
Tue
08:00 - 17:30
Wed
08:00 - 17:30
Thu
08:00 - 17:30
Fri
08:00 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-112.318.165
Founded
2005 · 21 years
Last commercial register change
September 5, 2025
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.88.06%
  • 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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