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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryEnergy & EnvironmentPhotovoltaicsNatersLauber IWISA AG
Lauber IWISA AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Lauber IWISA includes the planning, installation and maintenance of building technology, including: sanitary and heating technology, photovoltaic system construction, infrastructure and water supply technology, as well as roofing and sheet metal work. The company also offers services such as customer service, planning and consulting in these areas.

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Service area

Offering

Products & services

Industry:Photovoltaics
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Lauber IWISA AG

✓ Offered7
Heating and cooling technology
Heating and cooling technology for new installations, refurbishments and maintenance; heat pumps, wood heating systems, district heating connections, hybrid heating, oil heating and cooling systems plus energy consulting.
Plumbing and sanitary engineering
Plumbing and sanitary engineering for water, wastewater, gas and compressed-air systems; bathroom refurbishments, swimming pools, water treatment, water softening, hot-water systems, pre-wall installations, repairs and maintenance.
Roofing and sheet metal work
Roofing and sheet metal work for flat and pitched roofs, facades, lightning protection systems and photovoltaic solar systems; new builds, refurbishments, repairs, roof inspections and maintenance.
Building services planning
Building services planning with overall coordination, energy concepts, GEAK expertise, simulations, district heating networks, and water supply and disposal; from preliminary design to commissioning.
Customer service and maintenance
Customer service for repairs, faults and maintenance; 24-hour on-call service, service subscriptions, maintenance, desludging, flushing and upkeep of heating, sanitary and swimming pool systems.
Industrial plant construction
Industrial plant construction for industry, energy and sterile systems; piping construction, welding and assembly work, engineering, detailed planning, plus infrastructure and water-supply solutions.
Kitchen planning and renovation
Kitchen planning, kitchen renovation and kitchen showroom in Naters; planning with branded products, replacement of individual appliances and implementation of customised kitchen solutions.
Trust & reputation

ranQ Trust Score of Lauber IWISA AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 58% · As of November 2026

Without public customer reviews the score stays capped.

Lauber IWISA AG 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%
Lauber IWISA AG scores 97.4 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.100.012%
  • 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.96.07%
Lauber IWISA AG scores 88.3 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).88.322%
Lauber IWISA AG scores 49.1 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 35.91.44%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.6.74%
Qualifications+0.00

Lauber IWISA AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 58%, so the score is backed by part of the criteria. As of November 2026.

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

Press

Media

September 13, 2018Media
Lauber IWISA fusioniert mit Poenina
1815.ch
September 11, 2018Media
Poenina und Inretis aus der Haustechnikbranche fusionieren
nau.ch
November 24, 2016Media
«Den ganzen Tag lang drinnen sitzen ist nichts für mich»
1815.ch
April 14, 2015Media
Geschäftsleitung neu aufgeteilt
1815.ch
April 11, 2013Media
Anpassung der Führungsorganisation
1815.ch

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Secure profile

Location

Kehrstrasse 14
3904 Naters

At a glance

Legal form
Corporation
UID
CHE-106.020.094
Founded
1987 · 39 years
Last commercial register change
May 4, 2026
Employees
101 to 500

Active in 1 of 26 cantons

  • VSValais
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.85.03%
    • Full methodology

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