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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureCivil Engineering FirmsLucerneB + S AG Luzern
B + S AG Luzern Logo
Verified· 3 sourcesTrust Score
Summary

About the company

B + S AG Luzern provides comprehensive planning and engineering services in the areas of transport infrastructure, sites and buildings, and environment, energy and water, and delivers individual solutions across about 30 technical disciplines.

AI-generated
Offering

Products & services

Industry:Civil Engineering Firms
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B + S AG Luzern

5
One-stop services
One-stop services for construction projects, from the first idea to commissioning; development, planning and delivery with project management, coordination and supervision.
Transport infrastructure
Infrastructure projects and mobility concepts for rail and road traffic; new build and expansion, maintenance of transport infrastructure, structures, underground works, utility lines, equipment and ancillary facilities.
Sites and buildings
Overall concepts and projects for entire sites, individual plots, new builds, conversions and renovations; structural systems, design and implementation as well as practice-oriented, energy-efficient maintenance of buildings.
Environment, energy and water
Advisory and support from the concept phase through to execution for plants for energy generation, supply and disposal as well as measures for close-to-nature waters, landscape and ecological protection and land-use planning.
Specialist competencies
Individual solutions across around 30 specialist fields, including transport planning, road construction, bridge building, tunnel construction, geotechnics, structural conservation, BIM/digital design and environmental compatibility.
Trust & reputation

ranQ Trust Score of B + S AG Luzern: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

B + S AG Luzern scores 56.8 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.73.124%
  • 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.35.310%
  • 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%
B + S AG Luzern scores 95.8 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.100.012%
  • 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.96.07%
B + S AG Luzern scores 85.0 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).85.022%
B + S AG Luzern scores 88.6 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 35.88.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

B + S AG Luzern reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 3 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 3 reviews across all connected sources

Sources
GGoogle53
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Industriestrasse 6
6005 Lucerne

At a glance

Legal form
Corporation
UID
CHE-105.958.649
Founded
1990 · 36 years
Last commercial register change
August 22, 2024
Employees
101 to 500
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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