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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryCrafts & TradesSpecialized Construction InstallationsSuhrfrewa gmbh
frewa gmbh Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of frewa gmbh is the provision of energetic and constructional solutions for real estate, including: energy consulting and planning, heating replacement and new construction, sanitary installations, solar systems and e-mobility solutions, insulation and thermal insulation, construction services such as planning, construction management and construction acceptance, smart home controls and installations, and material procurement and sales. The company thus offers a comprehensive range of services in the field of building technology and energy efficiency.

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Offering

Products & services

Industry:Specialized Construction Installations
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frewa gmbh

✓ Offered10
Construction planning and site management
Advisory, planning and building permit application, drawings and energy documents for the building submission as well as coordination of orders and trades up to the building handover.
Energy consulting and GEAK
Energy consulting for building services and properties, energy concepts, GEAK and GEAK Plus, including a funding contribution and advice on heating replacement and refurbishment.
Operational optimisation of building services systems
Optimisation of building services systems in residential, commercial and industrial buildings, including operational optimisation after commissioning and in connection with the Minergie label.
Insulation and window/door replacement
Insulation for improved energy efficiency and comfort, along with window replacement, door replacement and shading for buildings.
Solar installations and energy management
Tailor-made solar installations, energy management for using self-generated power, battery storage as well as solutions for grid operation and off-grid systems.
Charging stations and e-mobility solutions
Charging stations for electric vehicles, combined with solar installations, battery storage and mobility solutions as an overall package.
Heating replacement and heat pumps
Heating replacement and new builds, heat pumps of all types, sizing of new heating systems, underfloor heating, radiators, geothermal probes and replacement of boilers.
Comfort ventilation systems
Replacement and new installation of comfort ventilation systems, design and dimensioning as well as solutions with insect and pollen protection.
Smart-Home installations and programming
Controls for the private home, installation and programming, operable at home or on the move via mobile phone, including various rental devices.
Material supply and shop
Procurement of all materials with or without accompanying services.
Trust & reputation

ranQ Trust Score of frewa 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

frewa 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%
frewa 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%
frewa 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%
frewa 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

Langmattweg 2
5034 Suhr
Opening hours
Mon
06:00 - 20:00
Tue
06:00 - 20:00
Wed
06:00 - 20:00
Thu
06:00 - 20:00
Fri
06:00 - 20:00
Sat
06:00 - 20:00
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-228.667.413
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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