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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringSarnenfw fachplanwerk ag
fw fachplanwerk ag Logo
Verified· 2 sourcesTrust Score
Summary

About the company

fw fachplanwerk ag provides specialist planning, renovation and energy consulting services, supporting building projects with an emphasis on building physics and fire protection planning. Services include energetic analyses such as GEAK®/GEAK® Plus, measures planning, moisture and thermal-bridge assessments, acoustic protection, and energy reports.

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Products & services

Industry:Technical Consulting & Engineering
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4.1/5

fw fachplanwerk ag

Architecture Firms
✓ Offered7
Specialist planning in building physics
Specialist planning in thermal and moisture protection; calculation of thermal bridges, condensate-free designs and component build-ups to prevent mould and building damage, especially during renovations.
Specialist planning fire protection
Specialist fire protection planning with advisory services, condition analysis, preparation of fire protection concepts, as well as planning, implementation and supervision of fire protection measures up to building documentation.
Energy consulting
Energy consulting for clients and architecture offices; coordination of energy systems, development and implementation of energy and heating concepts, as well as GEAK® expertise and energy documentation.
Planning
Planning for renovations and new builds from building submission through execution planning to detailed design, including layer and material build-ups, as well as review of contractor solutions.
Subsidy advisory and subsidy applications
Advisory services for renovation projects eligible for subsidies, support with subsidy applications and completion of projects for own or third-party renovation plans.
GEAK®
Building energy certificate of the cantons for assessing the building envelope, overall energy efficiency and direct CO₂ emissions in seven classes.
Energy documentation
Preparation and submission of individual component or system proofs as evidence of compliance with the energy law for new builds, renovations and change of use.
Trust & reputation

ranQ Trust Score of fw fachplanwerk ag: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

fw fachplanwerk 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%
fw fachplanwerk ag scores 74.8 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.75.012%
  • 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%
fw fachplanwerk ag 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%
fw fachplanwerk ag scores 25.7 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 35.25.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

fw fachplanwerk ag reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». 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 October 2026.

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

Knowledge

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Location

Kägiswilerstrasse 15
6060 Sarnen
Opening hours
Mon
08:00 - 12:00, 13:00 - 17:00
Tue
08:00 - 12:00, 13:00 - 17:00
Wed
08:00 - 12:00, 13:00 - 17:00
Thu
08:00 - 12:00, 13:00 - 17:00
Fri
08:00 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-312.109.823
Founded
2019 · 7 years
Last commercial register change
March 4, 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.
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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