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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureConstruction & Project ManagementUnterägeriGullCon GmbH
GullCon GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

GullCon GmbH provides owner’s advisory and owner’s representative services for construction projects, advising and representing clients across project phases SIA 1–6. Services include owner-side project management and leadership, tendering and planner procurement, coordination of stakeholders, quality/cost/schedule controlling, risk management and defect-handling through to project handover.

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Offering

Products & services

Industry:Construction & Project Management
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3.9/5

GullCon GmbH

Interior Construction
Owner's Representative
✓ Offered4
Client advisory
Client advisory for construction projects in all SIA 1–6 project phases, from the first vision to handover and, if desired, also during operations.
Client support
Client support for construction projects, tailored to individual needs and goals, with support from project development through to implementation.
Client representation
Client representation to protect interests, coordinate project stakeholders and ensure smooth, timely and cost-conscious project delivery.
Coordination of project development and implementation
Coordination of project development and implementation for construction projects, including coordination of all project stakeholders during the entire project or selected phases.
Trust & reputation

ranQ Trust Score of GullCon GmbH: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

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Data basis 54% · As of October 2026

GullCon 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.
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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%
GullCon GmbH scores 65.0 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.58.012%
  • 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%
GullCon 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%
GullCon GmbH scores 0.9 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 35.0.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

GullCon GmbH reaches a ranQ Trust Score of 3.9 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

Wilbrunnenstrasse 41
6314 Unterägeri

At a glance

Legal form
Limited Liability Company
UID
CHE-141.847.661
Founded
2022 · 4 years
Last commercial register change
December 15, 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.
88.0
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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