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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesGossau ZhLeutenegger Installations AG
Leutenegger Installations AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The core activity of Leutenegger Installations AG includes the planning, installation and maintenance of sanitary facilities, heating systems, plumbing work and flat roof sealing, as well as the renovation and refurbishment of bathrooms. The company also offers consulting services in these areas and emphasizes quality, fair prices and environmental sustainability.

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Products & services

Industry:Plumbing & Building Services
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4.0/5

Leutenegger Installations AG

✓ Offered
5
Sanitary
Consulting, project planning and design for water, gas and waste-water installations, rainwater harvesting systems, solar systems for domestic hot-water production, water treatment systems and pipe-riser refurbishments.
Heating
Consulting, project planning and design of heating systems for new builds and renovations, including oil, gas, solar and heat-pump systems, as well as 24-hour on-call duty and mobile emergency heating.
Sheet-metal / flat roof
Building sheet-metal work, flat-roof work, façade cladding, window sills, as well as roof maintenance and sealing and insulation work for pitched and flat roofs.
Bathrooms & service
Bathroom conversions end-to-end with on-site specialist advice, 3D planning, selection of sanitary fixtures, project management, scheduling, cost control, coordination and detailed construction close-out, as well as service, repairs and maintenance.
Planning
Planning and calculations for building services systems and installations with feasibility studies, preliminary design, cost estimates, tendering, detailed design for execution, overall coordination, acceptance, revision documents and a 3D bathroom planner.
Trust & reputation

ranQ Trust Score of Leutenegger Installations AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 100% · As of October 2026

Leutenegger Installations AG scores 68.9 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.58.124%
  • 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.79.710%
  • 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%
Leutenegger Installations AG scores 74.1 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.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.70.07%
Leutenegger Installations 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%
Leutenegger Installations AG scores 27.2 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 35.54.34%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.0.04%
Qualifications+0.00

Leutenegger Installations AG reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 4.1 out of 5 stars from 22 customer reviews. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.1
of 5

Aggregated from 22 reviews across all connected sources

Sources
GGoogle4.122
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

June 19, 2025Media
Für alle Fälle Leutenegger
zuerioberland24.ch

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Location

Industriestrasse 39
8625 Gossau Zh
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:00
Tue
07:00 - 12:00, 13:00 - 17:00
Wed
07:00 - 12:00, 13:00 - 17:00
Thu
07:00 - 12:00, 13:00 - 17:00
Fri
07:00 - 12:00, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-308.045.686
Founded
2021 · 5 years
Last commercial register change
August 5, 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.
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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