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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding MaintenanceRiedholzPorta Schreinerei + Küchenbau GmbH
Porta Schreinerei + Küchenbau GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Porta is carpentry and kitchen construction, including interior finishing, furniture making, window and door manufacturing, parquet and laminate flooring installation, glass and mirror work, bathroom and appliance renovation, as well as various other wood-related services.

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Products & services

Industry:Building Maintenance
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3.7/5

Porta Schreinerei + Küchenbau GmbH

Kitchen construction
Custom-made kitchens, in-house fabricated kitchens, planning and implementation for new builds and existing properties; functional layout, homely design, appliance replacement.
Interior fit-out
Interior fit-out with cupboards, furniture, doors, glass partitions, partition walls and lightweight construction; including built-in wardrobes and other finishing work for residential and commercial properties.
Custom cabinetmaking
Cabinetmaking workshop for custom furniture, cupboards and built-ins; in-house production in the own workshop and execution as part of the complete package.
Window and glazing work
Windows made of plastic-wood-aluminium, glass partitions, mirrors and glass, plus doors and partition walls as part of the interior fit-out and repairs.
Repairs / glass breakage
Repairs and glass break service for doors, windows and glass areas; minor reinstatements and replacement work.
Site management
Site management for conversions and fit-out projects; coordination of execution as part of the overall package.
Appliance replacement
Replacement of appliances for kitchen appliances and washing machines as part of kitchen construction and renovations.
Parquet and floor covering work
Parquet flooring work and floor coverings for residential and renovation projects; suitable floor solutions as part of the interior fit-out.
Trust & reputation

ranQ Trust Score of Porta Schreinerei + Küchenbau GmbH: 3.7 out of 5.0

Trust Score3.7/ 5.0

Solid

x

Data basis 96% · As of October 2026

Porta Schreinerei + Küchenbau GmbH scores 57.6 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.72.124%
  • 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.40.910%
  • 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.35.08%
Porta Schreinerei + Küchenbau GmbH scores 57.1 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.39.612%
  • 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%
Porta Schreinerei + Küchenbau 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%
Porta Schreinerei + Küchenbau GmbH scores 17.1 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 35.17.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Porta Schreinerei + Küchenbau GmbH reaches a ranQ Trust Score of 3.7 out of 5.0 — rated «Solid». The rating draws, among other things, on 4.8 out of 5 stars from 4 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
4.8
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle4.84
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Wallierhofstrasse 2b
4533 Riedholz
Opening hours
Mon
07:00 - 17:00
Tue
07:00 - 17:00
Wed
07:00 - 17:00
Thu
07:00 - 17:00
Fri
07:00 - 17:00
Sat
07:00 - 17:00
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-412.646.576
Founded
2024 · 2 years
Last commercial register change
June 20, 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.88.06%
  • 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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