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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureOwner's RepresentativeBiberistGPplus GmbH
GPplus GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of GPplus GmbH is the provision of services in the field of construction planning, owner representation and construction trusteeship in Switzerland. The company supports its customers in every project phase and offers professional solutions for the realization of real estate projects.

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Products & services

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GPplus GmbH

✓ Offered9
Client representation
Client representation, building planning and construction trusteeship in Switzerland; support in every project phase with network partners, adherence to budget and professional project execution.
Building planning
Building planning for residential and commercial projects, including overall planning, structural building planning and architectural planning for new-build, renovation and extension projects.
Overall project management
Overall project management for new-build and renovation projects, including coordination of project phases, cost planning and support up to execution.
Construction site supervision
Construction site supervision for new builds, renovations and extensions, including during ongoing operations; coordination of execution and support for building projects.
Construction management
Construction management including construction management/management leadership, project management and cost management for larger building projects and complex construction works.
Client advisory
Client advisory and permit application support for private clients, including support for home extensions and smaller construction projects.
Cost management
Cost management and cost planning for construction projects, from project development to execution, particularly for larger new-build and renovation projects.
General planning
General planning for new builds, renovations and refurbishment, with coordinated management of planning, execution and the specialist designers involved.
Construction trust services
Construction trust services as support for clients in planning and execution, complemented by network partners and project-specific coordination.
Trust & reputation

ranQ Trust Score of GPplus GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

GPplus 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%
GPplus GmbH scores 75.7 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.83.012%
  • 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%
GPplus 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%
GPplus GmbH scores 48.6 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 35.48.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

GPplus 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.

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Location

Höhenweg 19
4562 Biberist

At a glance

Legal form
Limited Liability Company
UID
CHE-318.161.101
Founded
2017 · 9 years
Last commercial register change
August 10, 2017
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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