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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesSpecialized Construction InstallationsZurichInstallerGroup (Schweiz) AG
InstallerGroup (Schweiz) AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The core activity of InstallerGroup is focused on sanitary, heating, ventilation, air conditioning and electrical engineering, as well as building automation. The company specializes in the installation, maintenance and upkeep of systems and facilities in these areas, with the goal of providing solutions that contribute to improved energy efficiency, reduced resource consumption and the use of renewable energies.

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Products & services

Industry:Specialized Construction Installations
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4.0/5

InstallerGroup (Schweiz) AG

✓ Offered11
Building services consortium
Consortium for building services with regionally rooted member companies in electrical, sanitary, heating, ventilation/air conditioning, refrigeration and complementary services.
Sanitary solutions
Sanitary solutions according to the Swiss standard, including modern systems to reduce energy consumption and water losses, and to optimise resource use and operational safety.
Electrical installations
Conventional electrical installation for private customers, companies and public authorities, plus energy optimisation, PV systems, maintenance and consulting.
Heating systems and heat pumps
Design, installation and maintenance of modern heating systems and heat pumps for efficient, sustainable and operationally reliable solutions.
Ventilation, air conditioning and refrigeration systems
Implementation and maintenance of ventilation and air conditioning systems as well as refrigeration systems for residential, commercial and industrial buildings.
Building automation and BMS/CTS systems
Building automation and specialised solutions for BMS and CTS systems as supplementary services for larger buildings and critical infrastructure.
Sprinkler systems
Sprinkler systems as a supplementary service for reliable and energy-efficient installations in large buildings and critical infrastructure.
Solar systems
Solar systems as a supplementary service in the context of energy-efficient building services installations.
Fibre-optic and copper cabling
Fibre-optic and copper cabling as supplementary services for reliable installations in large buildings and critical infrastructure.
Business succession for building services companies
Sustainable succession solutions with capital, experience, network and a local management model for entrepreneurs.
Partnership model with equity participation and support
Decentralised partnership model with its own presence, local management, optimised purchasing conditions and strategic support from the group.
Trust & reputation

ranQ Trust Score of InstallerGroup (Schweiz) AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 100% · As of October 2026

InstallerGroup (Schweiz) AG scores 70.7 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.75.024%
  • 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.95.08%
InstallerGroup (Schweiz) AG scores 69.9 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.39.612%
  • 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.96.07%
InstallerGroup (Schweiz) AG scores 86.7 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).86.722%
InstallerGroup (Schweiz) AG scores 23.1 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 35.22.94%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.23.34%
Qualifications+0.00

InstallerGroup (Schweiz) AG 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 4 customer reviews. 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 4 reviews across all connected sources

Sources
GGoogle54
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

June 30, 2026Media
Boris Bischoff, CEO InstallerGroup Schweiz, im Interview
moneycab.com
May 12, 2026Media
InstallerGroup übernimmt Elektro ERTI AG aus Bern
punkt4.info
February 18, 2026Media
BP Elektro AG schliesst sich InstallerGroup Schweiz an
punkt4.info

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Location

Giesshübelstrasse 45
8045 Zurich

At a glance

Legal form
Corporation
UID
CHE-458.141.677
Founded
2024 · 2 years
Last commercial register change
October 1, 2025
Employees
101 to 500
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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