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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureInterior ConstructionAarburgFenstra AG
Fenstra AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Fenstra AG is a manufacturer and supplier of doors and windows. Its product range includes aluminium entrance doors, wood and wood‑aluminium hybrid doors, security and fire doors, interior and glass doors, PVC windows and garage doors, and the company provides measuring, custom fabrication, installation, security cylinders, access systems and related accessories.

AI-generated
Offering

Products & services

Industry:Interior Construction
✓ Offered12
Aluminium front doors
Aluminium front and apartment doors with thermally insulated profiles, security locking, powder coating and custom-made options.
Wood-aluminium front doors
Wood-aluminium front doors for the entrance area with wood on the inside, aluminium on the outside, high insulation, burglary protection and easy care.
Wood front doors
Wood front doors in the Modern, Classic, Retro and Passive ranges, with different designs and thermal insulation values.
Apartment, interior closing and fire-protection doors
Made-to-measure apartment, interior closing and fire-protection doors with VKF EI 30, optional multi-point locking, sound insulation and renovation details.
Steel security fire doors
Steel security doors for basements, garages and living areas with fire protection, burglary protection, optional multi-point locking and sound insulation.
PVC windows
Custom PVC windows and window frames with installation, dismantling, sound insulation, burglary protection and low-maintenance surfaces.
Fully automatic doors
Fully automatic front doors and apartment closing doors for barrier-free access, with radio remote control, fingerprint option and installation.
Balcony glazing and folding and sliding systems
Balcony glazing as well as folding and sliding systems made of aluminium or all-glass, as a windbreak, room enclosure or living-space extension.
Garage doors
Steel sectional garage doors with thermal insulation, safety functions, electric drive and renovation sizes for replacement.
Interior glass doors
Interior glass doors as space-saving room enclosures, including full-glass sliding doors for renovation and new build.
Security cylinders
Security cylinders and locking systems from DOM with retrofit capability, passkey solutions and key management for entire houses.
Resale
Resale of door and window products for dealers and professional partners.
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4.0/5

Fenstra AG

Trust & reputation

ranQ Trust Score of Fenstra AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 88% · As of October 2026

Fenstra AG scores 59.8 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
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.60.324%
  • 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.58.610%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Fenstra AG scores 85.5 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.100.012%
  • 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%
Fenstra 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%
Fenstra AG scores 10.3 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 35.10.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Fenstra AG reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 4.1 out of 5 stars from 9 customer reviews. The data basis is 88%, 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
4.1
of 5

Aggregated from 9 reviews across all connected sources

Sources
GGoogle4.19
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Letziweg 7
4663 Aarburg

At a glance

Legal form
Corporation
UID
CHE-106.261.580
Founded
1988 · 38 years
Last commercial register change
October 30, 2015
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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