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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesMetal ConstructionDullikenSchwarzer AG
Schwarzer AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Schwarzer AG is the manufacture and distribution of sun protection systems, gate systems and metal construction products, including doors, windows, railings and special constructions, as well as the provision of services such as repairs, maintenance and after-sales market.

AI-generated
Offering

Products & services

Industry:Metal Construction
✓ Offered7
Gates for private customers
Sectional doors, tilting doors, roller doors, swing gates and operators for garages and private driveways.
Gates for industry and commerce
Sectional doors, roller doors, sliding gates, fire-protection gates and high-speed doors for industrial plants and commercial access points.
Metal construction
Doors, windows, railings, canopies and special metal structures for construction and fit-out projects.
Service work
Repairs, maintenance, fabric replacement and pick-up service for shading systems and gates, including third-party products and motor replacement.
Sun and terrace shading
Roller sun blinds, vertical blinds, pergola blinds, sun sails and sun umbrellas for the terrace and outdoor areas.
Exterior window shading
Louvre blinds, roller shutters in aluminium or wood, and window shutters in aluminium or wood for sun protection on windows.
Interior shading and insect protection
Mosquito screens, pleated blinds, roller shades, indoor blinds and skylights for indoor spaces and window fittings.
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4.0/5

Schwarzer AG

Trust & reputation

ranQ Trust Score of Schwarzer AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Schwarzer AG scores 58.5 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.37.024%
  • 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.94.410%
  • 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.78.08%
Schwarzer AG scores 89.3 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.70.07%
Schwarzer 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%
Schwarzer AG scores 37.1 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 35.37.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Schwarzer AG reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 3.6 out of 5 stars from 40 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
3.6
of 5

Aggregated from 40 reviews across all connected sources

Sources
GGoogle3.640
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Härdli 11a
4657 Dulliken
Opening hours
Mon
07:30 - 12:00, 13:30 - 17:00
Tue
07:30 - 12:00, 13:30 - 17:00
Wed
07:30 - 12:00, 13:30 - 17:00
Thu
07:30 - 12:00, 13:30 - 17:00
Fri
07:30 - 12:00, 13:30 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.844.502
Founded
2001 · 25 years
Last commercial register change
August 26, 2026
Employees
11 to 20
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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