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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringAesch BlMarzetti Gebäudetechnik GmbH
Marzetti Gebäudetechnik GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Marzetti Gebäudetechnik GmbH is the planning, consulting, project management and optimization of building technology systems, particularly in the areas of heating, ventilation, comfort ventilation, air conditioning and refrigeration. The company offers services such as energy analyses, maintenance planning, tenders and project coordination to improve the energy efficiency and quality of building technology systems.

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Products & services

Industry:Technical Consulting & Engineering
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4.0/5

Marzetti Gebäudetechnik GmbH

Construction & Project Management
✓ Offered12
Building Services HVAC&R
Building services for heating, ventilation, air conditioning and refrigeration; consulting, design, tendering, detailed design, technical site supervision, acceptance, as-built documentation and maintenance concepts.
Energy Performance Documentation
Standards-compliant energy performance documentation for buildings as well as heating and ventilation systems, reliable, precise and practice-oriented.
Impulse Consultation for Renewable Heating
Initial consultation for replacing heat generators in multi-family homes and commercial properties; identifying the most economical solution with renewable energies, free of charge within the framework of EnergieSchweiz.
Consulting
Consulting for new builds, conversions and refurbishment of heating, ventilation, air conditioning and refrigeration systems; analysis of existing systems, site assessment, optimization proposals and maintenance concept.
Design
Complete design of heating, ventilation, air conditioning and refrigeration systems from the first idea through to tendering; CAD designs, documentation and support for other design offices.
Tendering
Bill of materials and functional tender documents for heating, ventilation, air conditioning and refrigeration systems; on request also for public institutions in accordance with public procurement law.
Detailed Design
Execution documents and precise installation drawings for on-site assembly, including dimensions, clearances and technical details for heating, ventilation, air conditioning and refrigeration systems.
Technical Site Supervision
Technical site supervision for heating, ventilation, air conditioning and refrigeration systems; construction meetings, site walk-throughs, interim and final acceptances, and documentation of the execution.
Acceptance / As-built Documentation
Acceptance of installed systems, comparison with the tender documents, recording of system data and preparation of as-built drawings as well as technical documentation.
Maintenance Concepts with Tendering
Tailored maintenance concepts for heating, ventilation, air conditioning and refrigeration systems; definition of work scopes, intervals and inspection points, prepared as tender documents on request.
Heating
Sustainable heat supply systems for residential and commercial buildings, individually planned and tailored to new builds, refurbishment or replacement of existing systems.
Ventilation
Ventilation solutions for residential and commercial buildings, energy-efficient, quiet and designed in compliance with standards for fresh air and room air quality according to demand.
Trust & reputation

ranQ Trust Score of Marzetti Gebäudetechnik GmbH: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Marzetti Gebäudetechnik GmbH scores 73.7 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.76.724%
  • 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.45.610%
  • 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.100.08%
Marzetti Gebäudetechnik GmbH scores 68.7 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.58.012%
  • 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%
Marzetti Gebäudetechnik GmbH scores 83.3 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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).83.322%
Marzetti Gebäudetechnik GmbH scores 14.3 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 35.14.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Marzetti Gebäudetechnik GmbH reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 5 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 5 reviews across all connected sources

Sources
GGoogle55
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Gewerbestrasse 7a
4147 Aesch Bl
Opening hours
Mon
07:00 - 17:00
Tue
07:00 - 17:00
Wed
07:00 - 17:00
Thu
07:00 - 17:00
Fri
07:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-462.480.326
Founded
2022 · 4 years
Last commercial register change
September 22, 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.
88.0
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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