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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesEngelburgEA Installationen GmbH
EA Installationen GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The company EA Installationen provides services in the field of building technology, particularly in the areas of sanitary, water, wastewater, gas and compressed air systems. They perform tasks such as bathroom planning, installation and renovation, as well as other building technology services. They are available 24/7 and offer emergency assistance.

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Offering

Products & services

Industry:Plumbing & Building Services
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EA Installationen GmbH

✓ Offered9
Sanitary and building services solutions
Planning, installation and maintenance of sanitary and building services systems for new builds, conversions and ongoing maintenance; including technical support and execution.
Bathroom renovations
Bathroom conversions with furring-wall installations and 3D bathroom planning for the visual design of the new bathroom.
Gas installations
Gas installations for buildings, with expert planning, installation and maintenance as part of building services.
Compressed air installations
Compressed air installations for technical systems, including planning, execution and maintenance.
Water heater and hot water technology
Descaling and replacement of water heaters, heat-pump water heaters and the associated installations and maintenance.
Water softening systems
Installation and support of water softening systems for water treatment in the building.
Kitchen installations
Kitchen installations as part of new builds, conversions and renovations.
Pipe cleaning
Pipe cleaning to remove blockages and ensure the proper functioning of pipes.
Repairs and maintenance
Repairs, maintenance and replacement of water filters and safety fittings; including emergency duty service.
Trust & reputation

ranQ Trust Score of EA Installationen GmbH: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

EA Installationen GmbH scores 90.9 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.90.524%
  • 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.84.710%
  • 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.100.08%
EA Installationen GmbH scores 65.0 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.55.07%
EA Installationen GmbH scores 85.0 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).85.022%
EA Installationen GmbH scores 0.9 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 35.0.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

EA Installationen GmbH reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 27 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 27 reviews across all connected sources

Sources
GGoogle527
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Tannenbergstrasse 11
9032 Engelburg
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-294.155.013
Founded
2022 · 4 years
Last commercial register change
March 22, 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

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