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

About the company

ARUM GmbH is a studio for spatial development, landscape architecture, ecology and environmental services. It provides consulting, planning and project management — including zoning and permit procedures, construction management and ecological construction supervision — and works on landscape planning, river revitalisation, engineering biology and environmental impact studies.

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Products & services

Industry:Architecture FirmsHorticulture & Landscaping
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ARUM GmbH

✓ Offered8
Spatial planning
Advisory services, planning and project development for land-use and zoning planning, spatial planning reports, as well as re-zoning and approval procedures.
Landscape architecture
Advice, planning and site supervision for landscape design, landscape development concepts, river revitalisation, nature-oriented areas, and sports and leisure facilities.
Ecological construction monitoring
Ecological construction monitoring for construction projects, including soil protection, pedological site supervision and management of maintenance and upkeep measures.
Environmental and nature impact assessments
Environmental impact studies and reports, nature and landscape compatibility assessments, expert reports on soil, groundwater, forests, nature conservation and other environmental areas.
Planning and construction supervision
Advisory services, project development, tendering, site management, construction monitoring, acceptance of completed work and management of warranty works for projects in spatial planning, landscape and environment.
Landscape ecological companion planning
Companion landscape management planning for infrastructure facilities, watercourses, landfills and nature-oriented areas, including site supervision of wildlife protection and safeguard measures.
Approval and rezoning procedures
Management of rezoning and approval procedures, building permit applications, water protection applications, as well as applications for forest clearing and compensatory reforestation.
Project and expert reports
Expert reports and project studies on architectural, landscape and environmental issues, including archaeology, protection of cultural assets, recreation, spatial planning and forestry.
Trust & reputation

ranQ Trust Score of ARUM GmbH: 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.

ARUM 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%
ARUM 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%
ARUM GmbH scores 83.3 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
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%
ARUM 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

ARUM 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

Turmhubelweg 2
4932 Gutenburg

At a glance

Legal form
Limited Liability Company
UID
CHE-112.524.204
Founded
2005 · 21 years
Last commercial register change
January 9, 2009
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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