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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureInterior ConstructionSt. GallenSingenberger Fenster GmbH
Singenberger Fenster GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Singenberger Fenster GmbH is a company for outdoor space design and garden construction providing planning, construction and maintenance services for private and public outdoor areas. Its offerings include garden design, garden construction, garden maintenance, playground installation, concrete elements, building greening, digital surveying and ecological care methods.

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Offering

Products & services

Industry:Interior Construction
✓ Offered8
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4.1/5

Singenberger Fenster GmbH

Garden design
Garden design and garden planning for private gardens, residential developments and public spaces; concepts, sketches, 3D surveying, materials, planting proposals and implementation.
Landscape construction
Landscape construction for private gardens, company sites and public facilities; paving, stairs, walls, water features, planting, privacy screens, roof gardens and site management.
Garden maintenance
Garden care and maintenance with pruning, tree care, hedge care, lawn maintenance, plant protection, pond cleaning, building greening and fertilising.
Playgrounds
Planning, construction, installation, maintenance and inspection of playgrounds; age-appropriate and inclusive design, fall protection, safety standards and repairs.
Building greening
Building greening for roofs, facades and balconies; planning, implementation and maintenance of extensive and intensive greenings.
Concrete work
Concrete work in outdoor areas with exposed-concrete walls, floor coverings, stairs and compacted concrete; functional, durable and combinable with natural materials.
Digital surveying
Digital surveying with drone, GPS and total station; terrain mapping, as-built surveys, situation plans, height models, stake-out and data processing for CAD/BIM.
Ecological care
Ecological garden care with thermal weed control, hot-water technology, mulching maintenance and site-appropriate planting to promote biodiversity.
Trust & reputation

ranQ Trust Score of Singenberger Fenster GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Singenberger Fenster GmbH scores 69.4 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.70.024%
  • 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.61.010%
  • 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%
Singenberger Fenster GmbH scores 83.0 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%
Singenberger Fenster 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%
Singenberger Fenster GmbH scores 12.6 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 35.12.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Singenberger Fenster GmbH reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.5 out of 5 stars from 10 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
4.5
of 5

Aggregated from 10 reviews across all connected sources

Sources
GGoogle4.510
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Unterstrasse 58
9000 St. Gallen
Opening hours
Mon
07:00 - 12:00, 13:00 - 18:00
Tue
07:00 - 12:00, 13:00 - 18:00
Wed
07:00 - 12:00, 13:00 - 18:00
Thu
07:00 - 12:00, 13:00 - 18:00
Fri
07:00 - 12:00, 13:00 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-284.740.210
Founded
2011 · 15 years
Last commercial register change
June 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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