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

About the company

The core activity of JK Baumanagement GmbH is the expert construction and project management of new buildings, renovations and refurbishments, including services such as planning, tendering, implementation, construction accounting and cost control, as well as completion up to the final settlement of the construction project.

AI-generated
Offering

Products & services

Industry:Construction & Project Management
✓ Offered5
Construction and project management
Expert construction and project management for new builds, conversions and renovations; organisation of all processes for project implementation, working with clients, architects and specialists.
Project planning
Cost estimates and cost quotations, building submission plans for smaller extensions and conversions, 3D modelling and smaller-scale visualisations.
Tendering
Quantities take-off and NPK-based bill of quantities, distribution of documents and bid comparisons up to readiness for award.
Delivery and execution
Prepare contracts, construction preparation, site logbook, construction management, scheduling, construction accounting, cost control and completion up to construction settlement; coordination of rectification of defects and damage.
BIM management
BIM-based construction management, model-based cost estimating, scheduling, status documentation, defect tracking, quantity verification and implementation support on site.
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3.8/5

JK Baumanagement GmbH

Trust & reputation

ranQ Trust Score of JK Baumanagement GmbH: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

JK Baumanagement GmbH scores 60.4 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.70.824%
  • 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.27.910%
  • 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.70.08%
JK Baumanagement GmbH scores 67.8 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.64.612%
  • 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%
JK Baumanagement 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%
JK Baumanagement GmbH scores 6.9 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 35.6.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

JK Baumanagement 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 2 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 2 reviews across all connected sources

Sources
GGoogle52
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Im Brüel 3
8353 Elgg

At a glance

Legal form
Limited Liability Company
UID
CHE-477.776.675
Founded
2021 · 5 years
Last commercial register change
December 15, 2021
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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