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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureConstruction & Project ManagementDagmersellenErni Bau- und Projektleitung GmbH
Erni Bau- und Projektleitung GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Erni Bau- und Projektleitung GmbH provides construction and project management services, including cost planning, tendering, scheduling, client advisory and building damage remediation. The company coordinates, supervises and documents building projects from start to handover.

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Offering

Products & services

Industry:Construction & Project Management
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3.9/5

Erni Bau- und Projektleitung GmbH

✓ Offered6
Construction & Project Management
Coordination, monitoring and documentation of all parties involved from groundbreaking to handover of keys; structured process, compliance with specifications, on-time handover, within budget and quality-assured.
Cost Planning
Cost estimates and detailed cost forecasts based on m3 and m2 values, comparable projects, past experience and current market data.
Tenders
Clear, complete tender documents for the required trades; review of bids and price comparisons to ensure security and transparency in awarding.
Schedule Planning
Rough and detailed schedules with professional software and practical experience; consideration of risks such as contaminants, delivery delays and seasonal conditions.
Owner Advisory
Support from the idea through to implementation with technical expertise; implementation of all trades in accordance with standards and correct professionally, while preventing building defects.
Building Damage Remediation
Analysis of the causes of building defects and support during remediation; if needed, in consultation with insurers and external experts.
Trust & reputation

ranQ Trust Score of Erni Bau- und Projektleitung GmbH: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

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Data basis 54% · As of October 2026

Erni Bau- und Projektleitung 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.
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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%
Erni Bau- und Projektleitung GmbH scores 65.0 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.58.012%
  • 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%
Erni Bau- und Projektleitung 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%
Erni Bau- und Projektleitung GmbH scores 2.9 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 35.2.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Erni Bau- und Projektleitung GmbH reaches a ranQ Trust Score of 3.9 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

Feldstrasse 31
6252 Dagmersellen

At a glance

Legal form
Limited Liability Company
UID
CHE-424.358.919
Founded
2022 · 4 years
Last commercial register change
March 31, 2023
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.88.06%
  • 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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