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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumberKlotenpleis GmbH
pleis GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

pleis GmbH is an engineering firm specialising in building services planning for heating, ventilation and plumbing. Its services include condition assessments, feasibility studies, concepts, project and execution planning, specialist site supervision, commissioning, coordination and underground drainage systems.

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Service area

Offering

Products & services

Industry:Plumber
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4.0/5

pleis GmbH

✓ Offered
7
Building services design
Building services design for heating, ventilation, plumbing, coordination and underground drainage lines; condition analyses, feasibility studies, concepts, preliminary projects, construction projects, tenders, detailed design and specialist site supervision.
Plumbing
Plumbing design for hygienically flawless drinking water in sufficient quantity under technically and economically optimal conditions.
Heating
Heating design for new builds and renovations, including renewable heat generation and heat pump solutions.
Ventilation
Ventilation design for healthy indoor air quality as a comfort factor in residential and commercial buildings.
Underground drainage lines
Design of underground drainage lines for renovations and new connections, so that wastewater is disposed of properly.
Coordination
Coordination and careful planning for complex construction projects, including specialist coordination across the project phases.
Solar thermal
Solar thermal for using the sun as an energy source in building services projects.
Trust & reputation

ranQ Trust Score of pleis GmbH: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 54% · As of November 2026

pleis 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.
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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%
pleis GmbH scores 70.2 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.70.212%
  • 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%
pleis GmbH scores 85.0 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).85.022%
pleis GmbH scores 0.6 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 35.0.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

pleis GmbH reaches a ranQ Trust Score of 4.0 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 54%, 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.

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Location

Schaffhauserstrasse 61
8302 Kloten

At a glance

Legal form
Limited Liability Company
UID
CHE-293.345.048
Founded
2020 · 6 years
Last commercial register change
May 4, 2026
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • ZHKloten
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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