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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureConstruction & Project ManagementBüsserachBaumanagement Diana Borer
Baumanagement Diana Borer Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Baumanagement Diana Borer provides quantity-surveying (Ausmass), site supervision and construction management services, together with engineering and architectural support. Services include estimating (Devisierung), measurement and billing, change-order and time-and-materials management, and training of site-manager trainees.

AI-generated
Offering

Products & services

Industry:Construction & Project Management
✓ Offered5
Construction management
Construction management for complete sites, holiday and absence cover, plus support for civil engineering, special foundation engineering, road construction, drainage, pavement works, utility lines, surroundings, demolitions and concrete work.
Site supervision
On-site supervision, cover during holidays or illness, NPK-based tendering, review of bills of quantities, and construction accounting with invoice and quantity control.
Engineering and architectural services
Consulting, project development, planning, tendering, building permit submission, execution support, cost control and invoicing for construction projects from the ground up.
Quantity surveying and billing
Ongoing quantity surveying, reconciliation and sign-off by the client, support for site management in billing, daywork and variation management, and seamless settlement of piecework and daywork.
Site management internship
Training for site management interns in quantity surveying, daywork and variation handling over an agreed period, delivered by experienced site managers.
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Baumanagement Diana Borer

Trust & reputation

ranQ Trust Score of Baumanagement Diana Borer

Trust Score

No score yet

x

A published score requires a data basis of at least 50% and data from at least two criteria groups other than identity. Missing evidence: Review quality, Review volume, Review recency, Media authority

Data basis 54% · As of October 2026

Baumanagement Diana Borer 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%
Baumanagement Diana Borer scores 72.4 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.70.212%
  • 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.82.07%
Baumanagement Diana Borer 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%
Baumanagement Diana Borer scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%

The data basis is 54%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Media authority. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

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Location

Grienstrasse 17
4227 Büsserach

At a glance

Legal form
Sole proprietorship
UID
CHE-334.417.078
Founded
2020 · 6 years
Last commercial register change
September 16, 2020
Employees
21 to 50
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.
67.0
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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