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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryReal EstateReal Estate Project DevelopmentPetit-LancyALIOS SA
ALIOS SA Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Alios SA is to provide services in the fields of architecture, project management and real estate development, particularly in the following areas: Architecture: planning and implementation of construction projects, including renovations, conversions and new buildings; Project management and control of real estate projects; Construction management and supervision; Energy efficiency optimization of buildings; Specific studies: conducting specific studies, including financial, technical and environmental analyses. The company thus offers a comprehensive range of services for the planning, implementation and optimization of real estate projects.

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Offering

Products & services

Industry:Real Estate Project Development
✓ Offered
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ALIOS SA

9
Architectural projects
Architects’ projects and plans, design of new-build buildings, renovations, conversions, extensions on top of existing structures and complete rehabilitation of dwellings.
Real estate development management
Study and enhancement of real estate assets, upstream support, development of real estate projects and management of residential promotions.
Construction site supervision
Leadership and supervision of construction works, coordination of operations, support for partners and site monitoring up to completion.
Energy optimisation
Studies and solutions for new-build or existing buildings, including thermal renovation, insulation, energy-related aspects and risk analysis linked to asbestos.
Financial studies
Analysis of the long-term financial implications of real estate investments, according to economic and legal constraints.
Technical studies
Technical studies according to a recognized model, adaptations on request, building siting studies and urban planning studies.
Environmental studies
Environmental and energy studies for new or existing projects, taking into account legislation and asbestos-related risks.
Apartment surveys
Apartment surveys for the needs of real estate agencies and property management teams, as part of projects prior to works.
Search for hazardous substances before works
Search for asbestos, lead and PCBs before works, with advice geared to the needs of property management teams.
Trust & reputation

ranQ Trust Score of ALIOS SA: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

ALIOS 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%
ALIOS SA scores 90.9 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.70.07%
ALIOS 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%
ALIOS SA scores 2.9 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 35.2.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

ALIOS 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.

Knowledge

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Location

Esplanade de Surville 2
1213 Petit-Lancy
Opening hours
Mon
08:00 - 12:15, 13:30 - 17:30
Tue
08:00 - 12:15, 13:30 - 17:30
Wed
08:00 - 12:15, 13:30 - 17:30
Thu
08:00 - 12:15, 13:30 - 17:30
Fri
08:00 - 12:15, 13:30 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-100.095.320
Founded
1982 · 44 years
Last commercial register change
September 29, 2026
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.
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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