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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsSt. GallenZÖLLIG & EGGENBERGER AG
ZÖLLIG & EGGENBERGER AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Zöllig + Eggenberger AG is the architecture and planning of construction projects, particularly in the area of public buildings, schools, kindergartens, sports facilities, residential houses and municipal facilities.

AI-generated
Offering

Products & services

Industry:Architecture Firms
✓ Offered4
Architecture
Architecture for new builds, alterations and renovations in the residential, school, commercial and public sector; project planning and construction documentation.
Project planning
Project planning of construction projects with preliminary studies, concepts and project planning for new builds, extensions and change of use.
Construction documentation
Construction documentation for construction projects, including detailed planning as a basis for the implementation of new-build, conversion and renovation projects.
Construction management
Construction management for construction projects, with support during the implementation of new builds, extensions, conversions and renovations.
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4.1/5

ZÖLLIG & EGGENBERGER AG

Trust & reputation

ranQ Trust Score of ZÖLLIG & EGGENBERGER 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.

ZÖLLIG & EGGENBERGER 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%
ZÖLLIG & EGGENBERGER 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%
ZÖLLIG & EGGENBERGER 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%
ZÖLLIG & EGGENBERGER AG scores 7.4 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 35.7.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

ZÖLLIG & EGGENBERGER 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.

Knowledge

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Location

Oberer Graben 37
9000 St. Gallen

At a glance

Legal form
Corporation
UID
CHE-107.258.646
Founded
1990 · 36 years
Last commercial register change
November 17, 2022
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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