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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureConstruction & Project ManagementLocarnoBONALUMI engineering SA
BONALUMI engineering SA Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Bonalumi Engineering is the construction supervision and project management of construction projects, particularly in civil engineering, as well as the provision of engineering services. This includes monitoring and coordinating construction projects, preparing reports and processing administrative permits. The company also offers design and planning services and works closely with architects, builders and clients to develop individual solutions.

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Offering

Products & services

Industry:Construction & Project Management
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BONALUMI engineering SA

✓ Offered
6
Civil engineering
Accompaniment of civil engineering projects, substructure and civil engineering works, excavation and reinforced concrete, design and construction of private homes and commercial buildings.
Site supervision
Construction site supervision for substructure and superstructure works, cost and schedule control, administrative procedures, preparation of progress reports, verification of execution and site coordination.
Structural surveying
High-precision structural surveys with theodolite and 3D laser scanner, tests with Ferroscan and sclerometer, 2D and 3D outputs, structural checks and quality control.
Structural assessments
Structural assessment reports for existing buildings, evaluation of safety and structural integrity, checks for occupancy approval and changes of use, with indications for strengthening and upgrades.
Corporate facility management
Management of corporate properties with maintenance coordination, supplier control, document management and building procedures, planning of interventions and verification of safety and compliance.
Event logistics
Logistics management for public and private events, including exhibitions and festivals, with coordination of suppliers, venues, set-ups, permits, transport, installation work and safety.
Trust & reputation

ranQ Trust Score of BONALUMI engineering SA: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

BONALUMI engineering SA 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%
BONALUMI engineering SA scores 74.4 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.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.55.07%
BONALUMI engineering SA 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%
BONALUMI engineering SA scores 9.1 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 35.9.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

BONALUMI engineering SA 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

Via Serafino Balestra 1a
6600 Locarno

At a glance

Legal form
Corporation
UID
CHE-457.303.486
Founded
2020 · 6 years
Last commercial register change
March 9, 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.
100.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.85.03%
    • Full methodology

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