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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesEngineerOltenWENGET GmbH
WENGET GmbH Logo
Verified· 3 sourcesOwner confirmed
Last updatedNovember 5, 2026

Contact

Summary

About the company

WENGET GmbH plans, optimizes and rehabilitates building technology and building automation for properties in German-speaking Switzerland. The company offers, among other things, energy consulting, GA planning, operational optimization, as well as quality assurance and coordination of renovation projects.

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Service area

Offering

Products & services

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Trust Score3.6/5

WENGET GmbH

Industry:EngineerBuilding services engineerConstruction managerGeneral contractorBuilding automationEnergy consulting
✓ Offered10
Building Automation Consulting & Planning
Expert consulting, review of measures and offers, and concept development for connected building automation, including coordination of trades and existing plans.
Energy Consulting, Monitoring & Operational Optimisation
Energy consulting, energy monitoring, analyses and operational optimisation to reduce consumption and identify savings potential.
Hydraulic Performance Measurement & Analysis
Measurement, load analysis, hydraulic analysis and sizing for heating and cooling systems with HeizungsCheck Pro and KälteCheck Pro.
Building Automation Planning to SWKI & SIA Standards
Full building automation planning for HVAC and electrical systems, including shading and lighting, according to SWKI and SIA standards.
Refurbishment & Modernisation of Building Services
Consulting on refurbishment plans, concept development, analysis of existing systems and quality assurance for building services and automation upgrades.
General Contractor Mandates for Refurbishments & Retrofits
Overall coordination of refurbishment projects in building services and automation, including coordination of partners and subcontractors.
Specialist Site Supervision & Interface Management
Specialist site supervision for building automation and building services projects, interface management, quality assurance and post-handover issue tracking.
Functional Checks & Integration Tests
Independent functional checks, integration tests between trades, quality controls after handover and support during acceptance.
BACnet & BACnet/SC Consulting & Analysis
Consulting, analysis and migration concepts for BACnet and BACnet/SC networks, including fault diagnosis and secure building communications.
KNX Planning & Engineering
What we do: planning of KNX, DALI, and EnOcean installations for commercial and residential properties; software engineering and parameterization with ETS; commissioning, functional testing and documentation; engineering as a service for system integrators and electrical contractors
Trust & reputation

ranQ Trust Score of WENGET GmbH: 3.6 out of 5.0

Trust Score3.6/ 5.0

Solid

x

Data basis 54% · As of November 2026

WENGET 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%
WENGET GmbH scores 40.1 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.0.012%
  • 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%
WENGET GmbH scores 91.7 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).91.722%
WENGET GmbH scores 10.0 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 35.10.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

WENGET GmbH reaches a ranQ Trust Score of 3.6 out of 5.0 — rated «Solid». 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.

Knowledge

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Contact

Location

Leberngasse 5
4600 Olten
Opening hours
Mon
08:00 - 18:00
Tue
08:00 - 18:00
Wed
08:00 - 18:00
Thu
08:00 - 18:00
Fri
08:00 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-357.998.597
Founded
2026 · 0 years
Last commercial register change
April 13, 2026
Employees
1 to 10

Active in 16 of 26 cantons

  • AGAargau
  • BSBasel-City
  • BLBasel-Country
  • BEBern
  • FRFribourg
  • LULucerne
  • NWNidwalden
  • OWObwalden
  • SHSchaffhausen
  • SZSchwyz
  • SOSolothurn
  • SGSt. Gallen
  • TGThurgau
  • VSValais
  • ZGZug
  • ZHZurich
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