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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringThierrensPONZIO ENGINEERING SA
PONZIO ENGINEERING SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

PONZIO ENGINEERING SA provides engineering services for heating, ventilation and sanitary systems, building physics, energy management and thermal and electrical energy storage. It designs technical installations for both complex and conventional building projects and develops, supplies and installs renewable energy equipment, notably photovoltaic and solar-thermal systems.

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Products & services

Industry:Technical Consulting & Engineering
✓ Offered
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3.9/5

PONZIO ENGINEERING SA

7
Engineering and Energy Consulting
Consulting for heating, ventilation and sanitary systems, building physics, energy management, and thermal and electrical energy storage for new builds and renovations.
Solar System Design and Installation
Planning, supply, installation, monitoring, maintenance, and after-sales service for photovoltaic and solar-thermal systems, including simulation, roof analysis, and yield checks.
Energy Consulting and Building Certification
CECB and CECB Plus consulting, energy audits, renovation strategies, technical and economic analyses, and owner support for energy renovation projects.
Owner Support for Energy Renovations
Coordination, planning, subsidy applications, tender review, site meetings, commissioning, and CECB updates after completion of the renovation work.
Solar Roof Potential Assessment
Online and project guidance to assess roof solar potential, with site evaluation and recommendations for next steps or a quotation.
Energy-Independent Real Estate Project Eco Thierrens
Showroom and district project with demonstrations, visits, conferences, and testing of energy, storage, e-mobility, and water-recycling technologies.
Exclusive Energy Products
Distribution of exclusive energy products and brands such as NakedEnergy, Hydraloop, and Luxen for solar thermal, water recycling, and technical energy solutions.
Trust & reputation

ranQ Trust Score of PONZIO ENGINEERING SA: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

PONZIO ENGINEERING SA scores 57.8 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.60.724%
  • 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.40.910%
  • 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.70.08%
PONZIO ENGINEERING SA scores 81.1 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.89.612%
  • 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%
PONZIO ENGINEERING 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%
PONZIO ENGINEERING SA scores 22.9 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 35.22.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

PONZIO ENGINEERING SA reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 4.0 out of 5 stars from 4 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
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle44
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Chemin du Signal 7
1410 Thierrens

At a glance

Legal form
Corporation
UID
CHE-171.685.185
Founded
2015 · 11 years
Last commercial register change
November 10, 2023
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.
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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