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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureConstruction & Project ManagementZurichJaun Holding GmbH
Jaun Holding GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Jaun Baumanagement GmbH is the provision of services in the field of construction management, including: construction management, cost planning, consulting, scheduling, and tendering according to NPK (New Point Catalog). The company supports customers in planning, coordinating and monitoring construction projects, particularly in the field of high-rise construction.

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Offering

Products & services

Industry:Construction & Project ManagementReal Estate Project Development
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3.8/5

Jaun Holding GmbH

✓ Offered6
Construction supervision
Construction supervision for building projects, coordination of execution, scheduling, NPK tenders, cost planning and advisory services.
Construction management
Construction management for building projects with scheduling, cost planning, NPK tenders and professional advisory support.
Cost planning
Cost planning for construction projects as part of project control and budgeting.
Scheduling
Scheduling for building projects to control processes and execution.
Advisory services
Advisory services on construction supervision, costs, schedules and tenders in the construction project environment.
NPK-based tenders
NPK tenders for construction projects as part of project preparation and award.
Trust & reputation

ranQ Trust Score of Jaun Holding GmbH: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

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Data basis 96% · As of October 2026

Jaun Holding GmbH scores 49.8 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.68.224%
  • 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.17.610%
  • 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.35.08%
Jaun Holding GmbH scores 80.9 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.95.212%
  • 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%
Jaun Holding GmbH 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%
Jaun Holding GmbH scores 4.6 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.4.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Jaun Holding GmbH reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 1 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Hildastrasse 14a
8004 Zurich

At a glance

Legal form
Limited Liability Company
UID
CHE-422.171.528
Founded
2013 · 13 years
Last commercial register change
January 20, 2026
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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