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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,888 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureConstruction & Project ManagementLengnau BeFrattini Bauleitungen GmbH
Frattini Bauleitungen GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Frattini Bauleitungen GmbH is the provision of services in the field of construction management and project control, particularly in the areas of scheduling and cost planning, quality assurance and documentation of construction projects. The company supports its customers in the implementation of construction projects, from project development to commissioning and subsequent use.

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Products & services

Industry:Construction & Project Management
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4.1/5

Frattini Bauleitungen GmbH

✓ Offered7
Construction planning (sub-planner)
Establishing requirements, planning concepts, construction drawings, templates and applications for approvals and permits from authorities, negotiations with authorities, bills of quantities, and support during tendering.
Site management & supervision
Supervision of execution, coordination of the specialist parties, site diary and schedule, acceptance inspections, official inspections by authorities, review of invoices, warranty periods, and handover of the property.
Construction and defect management
Processing of construction defects and their coordination during the construction process, as part of the other services related to construction execution.
Change order management
Processing of change orders within construction projects, as a supplementary service alongside site management and supervision.
Renovation and preservation of structures
Renovations and measures to preserve structures, in addition to the services provided in construction and project management.
Energy consulting
Advice on energy-related topics in connection with construction projects and existing buildings.
Client representation and construction consulting
Representation of clients and advisory support for construction projects, as a supplementary service.
Trust & reputation

ranQ Trust Score of Frattini Bauleitungen 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.

Frattini Bauleitungen 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%
Frattini Bauleitungen GmbH scores 82.3 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.89.612%
  • 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.70.07%
Frattini Bauleitungen 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%
Frattini Bauleitungen GmbH scores 1.7 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 35.1.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Frattini Bauleitungen 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

Bielstrasse 58
2543 Lengnau Be

At a glance

Legal form
Limited Liability Company
UID
CHE-388.990.634
Founded
2015 · 11 years
Last commercial register change
May 25, 2018
Employees
11 to 20
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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