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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureCivil Engineering FirmsBussignySollertia SA
Sollertia SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Sollertia SA is an engineering firm active in civil engineering, infrastructure, environmental engineering and general planning. It provides design and project management services including structural and bridge works, conservation and renovation of infrastructure, water supply and hydraulic works, transport and railway engineering, industrial engineering, geomatics and technical drafting.

AI-generated
Offering

Products & services

Industry:Civil Engineering Firms
✓ Offered5
Civil engineering and public works
Design and delivery of public infrastructures, roads, bridges, urban developments, drinking-water management, fluvial and lake hydraulics, mobility and sports infrastructures.
Preservation and renovation of engineering structures
Maintenance, preservation and renovation of engineering structures for cities, municipalities, cantons and the Confederation, with cost control of interventions and support for public institutions.
Construction of public buildings
Construction of public buildings of all types, in particular car parks, administrative and school buildings, nurseries, as well as coordination with partners from the earliest phases.
Railway engineering
Studies and planning of civil engineering and structural projects for railway infrastructure, with a specialist role and as overall planner.
Industrial engineering
Overall planning and project support for large industrial companies, including development and maintenance of site infrastructures.
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3.9/5

Sollertia SA

Trust & reputation

ranQ Trust Score of Sollertia SA: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

Sollertia SA scores 69.2 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.74.424%
  • 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.78.08%
Sollertia SA scores 54.5 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.39.612%
  • 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.55.07%
Sollertia SA 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%
Sollertia SA scores 54.3 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 35.54.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Sollertia SA reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 4.8 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 October 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.8
of 5

Aggregated from 6 reviews across all connected sources

Sources
GGoogle4.86
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Chemin du Vallon 26
1030 Bussigny
Opening hours
Mon
08:00 - 12:00, 13:30 - 17:30
Tue
08:00 - 12:00, 13:30 - 17:30
Wed
08:00 - 12:00, 13:30 - 17:30
Thu
08:00 - 12:00, 13:30 - 17:30
Fri
08:00 - 12:00, 13:30 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Branch
UID
CHE-166.662.882
Founded
2024 · 2 years
Last commercial register change
August 6, 2024
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.
76.0
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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