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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringUnterlunkhofenZweima GmbH
Zweima GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Zweima GmbH is an engineering and plant-construction company that develops and implements solutions for explosion-hazard (ATEX) environments. The company also provides technical consulting in cleaning technology for the paints and coatings and chemical industries.

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Products & services

Industry:Technical Consulting & EngineeringMechanical Engineering Industry
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Zweima GmbH

✓ Offered9
Complete Systems & Peripherals
Complete media infrastructure for CIP cleaning systems: storage, conveyance, filtration, exhaust air routing, recovery of used media and central control in a closed-loop circuit.
HWS Hose Reel Cleaning System
Automated internal cleaning for high and deep storage and process tanks with a flexible high-pressure hose on a motor-driven hose reel, without entering the vessel and also in ATEX zones.
LWS Cleaning Lance System
Automated internal cleaning for fixed storage and process tanks with a rotating cleaning lance, without entering the vessel and also in ATEX zones.
Industrial CIP Cleaning Systems
Turnkey CIP cleaning systems for the paint, coatings and chemical industries, matched to vessels, media, Ex zones and fully automated operation.
Engineering & Design
Process engineering planning, sizing and ATEX concept for cleaning plants and peripherals, tailored to the media, vessels and system.
Consulting
Advisory on cleaning processes, media and cost-effectiveness, and support as needed, including ATEX requirements and design.
Manufacturing, Assembly & Piping Works
Manufacturing, assembly and piping works for installation of the CIP systems on site.
Commissioning & Training
Commissioning of the system and instruction of operating personnel after installation of the cleaning systems and peripherals.
Service & Support
Maintenance, spare parts and technical support during ongoing operation of the CIP cleaning systems.
Trust & reputation

ranQ Trust Score of Zweima GmbH

Trust Score

No score yet

x

A published score requires a data basis of at least 50% and data from at least two criteria groups other than identity. Missing evidence: Review quality, Review volume, Review recency, Media authority

Data basis 54% · As of October 2026

Zweima 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.
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%
Zweima GmbH scores 57.1 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.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.55.07%
Zweima GmbH scores 83.3 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).83.322%
Zweima GmbH scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%

The data basis is 54%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Media authority. As of October 2026.

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

Knowledge

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Location

Ausserdorfstrasse 27
8918 Unterlunkhofen

At a glance

Legal form
Limited Liability Company
UID
CHE-182.819.194
Founded
2024 · 2 years
Last commercial register change
June 17, 2024
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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