ranQ
ranQ
ranQ
DirectoryIndustriesPlacesKnowledgeComparisonsSoon
Sign inCheck visibility
ranQHSG Startup LabelRecognised by the
HSG Startup Label

The leading AI company directory, built to boost AI visibility.

DEENFRIT
Product
  • Pricing
  • Directory
  • Industries
  • Trust Score
Company
  • About
  • Contact
  • Legal
© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringIllnauggm engineering gmbh
ggm engineering gmbh Logo
Verified· 2 sourcesTrust Score
Summary

About the company

ggm engineering gmbh is an HVAC engineering firm focused on building services, energy-efficient refurbishment and climate adaptation. The company advises on the planning, optimisation and renewal of heating, ventilation and air-conditioning systems, as well as technical demolition and complex renovation projects.

AI-generated
Offering

Products & services

Industry:Technical Consulting & Engineering
✓ Offered
LeadhubOutbound Leads by COHAGA

Looking for direct email addresses and phone numbers?

Leadhub delivers verified contact details and decision-makers from over 750,000 Swiss companies — management, procurement, marketing, HR.

Discover Leadhub
No score yet

ggm engineering gmbh

5
HVAC and Building Services Consulting
Consulting for HVAC, energy and building services, including assessment of existing systems, independent second opinions, optimisation, renewal and interfaces between technology, operations and building regulations.
Strategy for HVAC and Energy Systems
Strategic assessment of existing systems, prioritisation of renewals, optimisation of operations and energy consumption, and long-term alignment of HVAC and energy systems.
Demolition and Renovation Planning
Planning of demolition and renovation during ongoing operations, including surveys, staged dismantling, utility shutdowns, disposal logistics and coordination of hazardous-material investigations and specialist contractors.
HVAC Planning for Industrial and Special Buildings
Planning of HVAC systems for residential, commercial, industrial and pharmaceutical buildings, including ventilation, air conditioning, cold rooms, dehumidification and special hygiene solutions.
Climate Adaptation and Cooling Solutions
Concepts for summer heat protection and cooling, from passive measures and night cooling to technical cooling systems for demanding buildings.
Trust & reputation

ranQ Trust Score of ggm engineering gmbh

Trust Score

No score yet

x

A published score requires a data basis of at least 50% and data from at least two criteria groups other than identity. Missing evidence: Review quality, Review volume, Review recency, Media authority

Data basis 54% · As of October 2026

ggm engineering gmbh 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%
ggm engineering gmbh 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%
ggm engineering gmbh scores 83.3 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).83.322%
ggm engineering gmbh scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%

The data basis is 54%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Media authority. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Knowledge

No knowledge articles yet

Once ggm engineering gmbh has claimed this profile, we'll publish editorial articles and case studies here together.

Get started
Comparisons

ggm engineering gmbh in comparison

Soon

Industry comparisons are coming soon

We're preparing industry comparisons that rank ggm engineering gmbh by reviews, experience and specialisations.

Is this your company?

Claim the company profile of ggm engineering gmbh to make its contact details visible. With a plan we additionally create and publish industry comparisons, articles and much more.

Secure profile

Location

Kempttalstrasse 111
8308 Illnau

At a glance

Legal form
Limited Liability Company
UID
CHE-409.547.169
Founded
2021 · 5 years
Last commercial register change
December 5, 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.
88.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

    Similar companies

    ME
    Masciali Engineering GmbH
    Winterthur
    OG
    optiTEC GmbH
    Adliswil
    PH
    Paul Hunziker Ingenieurbüro GmbH
    Winterthur
    EG
    ecw.eco gmbh
    Ebertswil
    NE
    Neukom Energytech GmbH
    Rafz
    FH
    Fredy Häfliger AG
    Zurich
    GC
    garzon consilium gmbh
    Niederweningen
    SR
    Schoch Reibenschuh GmbH Haustechnikberatung
    Volketswil