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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding services engineerAarau RohrFlurian AG
Flurian AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Flurian AG is an independent engineering and consulting firm specialising in building services. It plans and coordinates heating, ventilation, air conditioning, plumbing and electrical systems, as well as building automation, and provides energy consulting, client representation, construction supervision and quality assurance.

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Products & services

Industry:Building services engineerEnergy consulting
✓ Offered
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Flurian AG

7
HVACSE Planning
Heating, ventilation, cooling, sanitary and electrical planning from one source, with concept, sizing, calculations, schematics, interface coordination and support through commissioning.
Building Automation
MSR, KNX and BACnet planning with function and control schematics, point lists, energy monitoring, visualisation and operational optimisation across the lifecycle.
Energy and Sustainability Consulting
Energy concepts and option comparisons for heat generation, storage, photovoltaics and networked solutions, plus sustainability concepts and grant applications.
Discipline and Overall Coordination
Coordination of building-services trades, BIM coordination, interface management, schedule and cost control, and defect tracking across all planning phases.
Client Advisory and Due Diligence
Client representation, technical review, condition assessments and second opinions for purchase, sale or evaluation of building-services concepts.
Tendering, Cost Control and Site Supervision
Quantity take-off, NPK specifications, tenders, bid comparisons, award recommendations, cost control and specialist site supervision for HVACSE and building automation.
Quality Assurance and Expert Reports
Design reviews, factory tests, commissioning, acceptances with defect reports, plus expert reports and opinions for defects, disputes and claims.
Trust & reputation

ranQ Trust Score of Flurian AG

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 November 2026

Flurian AG 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%
Flurian AG scores 42.7 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%
Flurian AG 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%
Flurian AG 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 November 2026.

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

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Location

Heuweg 4
5032 Aarau Rohr

At a glance

Legal form
Corporation
UID
CHE-446.029.447
Founded
2026 · 0 years
Last commercial register change
September 15, 2026
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.
100.0
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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