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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryReal EstateReal estate agentLonayBSD Constructions SA
BSD Constructions SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

BSD Constructions SA provides architectural and urban planning services and supports construction projects from feasibility and design through site supervision to handover. Services include construction site management, scheduling, budget and tender management, and consulting for projects ranging from villas to larger residential developments.

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Service area

Offering

Products & services

Industry:Real estate agent
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3.7/5

BSD Constructions SA

✓ Offered3
Architecture and urban planning
Design of construction projects and improvements to the existing living environment, advice on feasibility and optimisation, support through project setup until handover of the keys.
Site supervision
Complete site supervision, planning, adherence to deadlines, budget management and tendering, organisation of site meetings and coordination of the parties involved.
Advisory and assistance
Support and expert advice at every stage of the project, handling files from villas to property developments, support through specific services and the office’s contacts.
Trust & reputation

ranQ Trust Score of BSD Constructions SA: 3.7 out of 5.0

Trust Score3.7/ 5.0

Solid

x

Data basis 96% · As of November 2026

BSD Constructions SA scores 49.2 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.53.824%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.49.510%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.35.08%
BSD Constructions SA scores 67.5 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.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%
BSD Constructions SA scores 86.7 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).86.722%
BSD Constructions SA scores 17.1 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 35.17.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

BSD Constructions SA reaches a ranQ Trust Score of 3.7 out of 5.0 — rated «Solid». The rating draws, among other things, on 3.7 out of 5 stars from 6 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of November 2026.

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

Reviews

Aggregated rating

Aggregated rating
3.7
of 5

Aggregated from 6 reviews across all connected sources

Sources
GGoogle3.76
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

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Location

Avenue de Morges 100
1027 Lonay

At a glance

Legal form
Corporation
UID
CHE-188.115.619
Founded
2022 · 4 years
Last commercial register change
March 7, 2022
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • VDLonay
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.70.03%
    • Full methodology

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