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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryFinance & InsuranceHolding CompaniesRomanel-Sur-LausanneAlvazzi Holding SA
Alvazzi Holding SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Alvazzi Holding SA provides multi‑technical building services including heating and cooling, ventilation and air conditioning, sanitary installations, measurement‑control‑regulation systems, electrical and telematics work, sheet‑metal/roofing, building automation, maintenance and energy management.

AI-generated
Offering

Products & services

Industry:Holding Companies
✓ Offered8
Heating and cooling
Heating, cooling and air-conditioning installations, including maintenance and troubleshooting of building technical equipment.
Ventilation and air conditioning
Ventilation, air-conditioning installations and associated technical solutions for building comfort.
Sanitary installations
Sanitary installations for buildings, with assembly, maintenance and troubleshooting services as required by the construction site.
Measurement, control and regulation
Measuring, control and regulation systems to operate technical installations and optimise their functioning.
Electricity / telematics
Electrical and telematics installations for buildings, integrated into the group’s technical services.
Smart buildings
Smart building solutions integrating technical installations, control and operation of the equipment.
Maintenance and troubleshooting
Multitechnical maintenance, 24/24 interventions and troubleshooting of building installations.
Energy management / renewable energies
Energy management, support for energy efficiency and integration of renewable energies for technical installations.
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4.2/5

Alvazzi Holding SA

Trust & reputation

ranQ Trust Score of Alvazzi Holding SA: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Alvazzi Holding SA scores 62.3 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.41.524%
  • 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.91.810%
  • 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.88.08%
Alvazzi Holding SA scores 92.3 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.82.07%
Alvazzi Holding 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%
Alvazzi Holding SA scores 97.1 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 35.97.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Alvazzi Holding SA reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 3.7 out of 5 stars from 36 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
3.7
of 5

Aggregated from 36 reviews across all connected sources

Sources
GGoogle3.736
★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 des Mésanges 5
1032 Romanel-Sur-Lausanne
Opening hours
Mon
07:30 - 12:00, 13:30 - 16:30
Tue
07:30 - 12:00, 13:30 - 16:30
Wed
07:30 - 12:00, 13:30 - 16:30
Thu
07:30 - 12:00, 13:30 - 16:30
Fri
07:30 - 12:00, 13:30 - 16:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-100.232.835
Founded
1970 · 56 years
Last commercial register change
September 11, 2025
Employees
21 to 50
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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