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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsLa Chaux-De-FondsALZA Architecture-Conseils Sàrl
ALZA Architecture-Conseils Sàrl Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of ALZA Architecture-Conseils Sàrl is the provision of services in the field of architecture and fire safety planning. The company supports customers in the realization of construction projects, from planning to completion, and also offers consulting services in the areas of energy efficiency and fire safety.

AI-generated
Offering

Products & services

Industry:Architecture Firms
✓ Offered4
Architecture
Feasibility studies, design and development of projects, permit applications, coordination of the parties involved, general planning, site supervision, technical expertise and legal advice, 3D visualisation.
Energy retrofitting and energy consulting
Support for projects to improve or retrofit energetically, comparative studies of environmental impact, compliance of the thermal analyses, obtaining Minergie labels and subsidies.
Fire protection
Design of fire protection concepts, drawing up plans, site follow-up, concepts up to AQ2, studies on smoke extraction and fire resistance of structures.
Outdoor facilities and landscape
Advice on outdoor facilities and the choice of plantings, taking into account the budget, subsidies, specifications and the site configuration.
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3.9/5

ALZA Architecture-Conseils Sàrl

Trust & reputation

ranQ Trust Score of ALZA Architecture-Conseils Sàrl: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

ALZA Architecture-Conseils Sàrl scores 65.0 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.78.08%
ALZA Architecture-Conseils Sàrl scores 67.8 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.64.612%
  • 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%
ALZA Architecture-Conseils Sàrl 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%
ALZA Architecture-Conseils Sàrl scores 40.0 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 35.40.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

ALZA Architecture-Conseils Sàrl reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «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.

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Location

Rue des Régionaux 11
2300 La Chaux-De-Fonds
Opening hours
Mon
08:00 - 18:00
Tue
08:00 - 18:00
Wed
08:00 - 18:00
Thu
08:00 - 18:00
Fri
08:00 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-393.844.033
Founded
2021 · 5 years
Last commercial register change
April 25, 2022
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.88.06%
  • 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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