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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringBuchrainForrer Engineering GmbH
Forrer Engineering GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Forrer Engineering GmbH is an engineering planning firm specializing in air and energy technology, providing product-neutral consultancy and specialist design for heating, ventilation, cooling and energy systems. Services include feasibility studies, project design, execution documentation, tendering, site supervision, commissioning and coordination of building services.

AI-generated
Offering

Products & services

Industry:Technical Consulting & Engineering
✓ Offered7
Specialist Planning for Air and Energy Technology
Product-neutral consulting and specialist planning in all areas of air and energy technology, including feasibility studies, cost-effectiveness considerations, preliminary design, design development, cost estimates and approvals.
Heating System Planning
Planning of heating systems with wood chip, pellet and wood-fired combustion, heat pump systems, solar installations, gas and oil heating, as well as waste heat recovery and district/nearby heating.
Planning of Air-Handling Systems
Planning of air-handling systems for comfort, research, industry and processes, including all systems for air technology.
Refrigeration System Planning
Planning of refrigeration systems for comfort cooling and process cooling.
Renovation and Refurbishment of Building Services
Renovation and refurbishment of existing buildings and process facilities, including adjustments to existing technical installations.
Overall Planning of Building Services
Overall planning of the complete building services in collaboration with qualified partner offices for electrical and sanitary design.
Coordination of Building Services
Spatial coordination of technical installations in highly serviced buildings, using modern software and expertise.
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3.8/5

Forrer Engineering GmbH

Trust & reputation

ranQ Trust Score of Forrer Engineering GmbH: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

Forrer Engineering GmbH scores 52.7 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.68.224%
  • 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.17.610%
  • 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.50.08%
Forrer Engineering GmbH scores 78.5 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.89.612%
  • 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%
Forrer Engineering 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%
Forrer Engineering 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%
Qualifications+0.00

Forrer Engineering GmbH reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 1 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 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Rütiweidrain 3
6033 Buchrain

At a glance

Legal form
Limited Liability Company
UID
CHE-199.155.273
Founded
2015 · 11 years
Last commercial register change
February 19, 2018
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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